How to calculate horsepower from cc

719 cc is approximately equal to 47.93 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio.

How to calculate horsepower from cc. For horsepower, the calculator will measure the engine's approximate horsepower based on the engine torque (in foot-pounds), multiplied by the engine's RPM, divided by 5,252 (conversion between foot-pounds and horsepower). For example, if your engine has a torque of 350 foot-pounds, then the horsepower would be 333 horsepower, at 5,000 RPM.

deck height (in inches)=0.040 (our recommended target deck height) and desired compression ratio=8.5. Then click the 'head CC' button and you'll be given the answer (which in this case would be 54cc.) The Aircooled.Net VW Engine Calculator allows you to determine VW Engine displacement, head combustion chamber volume, compression ratio ...

Dec 17, 2012 · Horsepower = (3,000 x 6) / 63,025 = 0.286. 63,025 is a constant when using RPM for speed and in-lbf for torque units. 5,252 is another common constant if the speed is in RPM and torque is in ft-lbf. If the units are different then simply make the unit conversion. The derivation of these constants is done using the 33,000 ft-lbf /min = 1 horsepower. Calculating the daily volatility for any financial instrument provides the investor or trader with a measurement that captures the up and down movement of the instrument through th...This cc is used to calculate. horse power (hp). Cylinder formula. 3.14159 * (radius*radius) * length. Horsepower will vary. somewhat due to compression. differences and engine. physical construction.224 cc is approximately equal to 14.93 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio.290 cc is approximately equal to 19.33 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio.

Calculated Form CC TO HP. Enter The CC. HP Result. Formula to convert 221 CC to HP horsepower Divide your vehicle engine's capacity by 15. HP = CC/ 15. HP= horsepower. cc=Cubic Centimeters. for this 221 CC exemple HP= 221 /15 = 14.73. 221 cc= 14.73 HP.CC To Horsepower Formula: There is no specific formula to calculate HP in given CC. But using our calculator will certainly make your calculations more accurate than ever. Coming to the point, the tool uses the following generalization equation to estimate the HP in CC: HP = CC/15. Now rearranging this formula will give you reverse calculations ...149 cc is approximately equal to 9.93 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio.Step 2. Apply The Formula. Use the following formula to determine the motor horsepower: HP = (V x I x Eff): 746. In short, multiply the efficiency, current, and voltage before dividing the number by 746. Here’s a specific example: Let’s say your electric motorbike has 230V motors that pull 4 amps with 82% efficiency.The Formula. The formula to calculate horsepower (HP) from cubic centimeters (CC) is straightforward: HP = CC / 15. This formula assumes a general …The stock redline is ~ 6450 RPM. If we wanted to make 300HP (at the crankshaft), the formula would look like this: (9411*300*0.45)/ (183*6450) = 1.07 (x 100 to get percentage) = 107%. So in other words, getting 300HP even at the very peak of the engine's factory rev range is going to be impossible without investing a significant sum of money ...The equation to calculate horsepower is simple: Horsepower = Torque x RPM / 5,252. You can use our horsepower calculator below to try it out yourself. When it comes to understanding how a dynamometer measures torque and calculates power, it will help to know a few more basic definitions and formulas.

Horsepower = (3,000 x 6) / 63,025 = 0.286. 63,025 is a constant when using RPM for speed and in-lbf for torque units. 5,252 is another common constant if the speed is in RPM and torque is in ft-lbf. If the units are different then simply make the unit conversion. The derivation of these constants is done using the 33,000 ft-lbf /min = 1 horsepower.RLA - "Running Load Amps" - current drawn during normal operation of electric motor. FLA - "Full Load Amps" - amount of current drawn when full-load torque and horsepower is reached for the motor. FLA is usually determined in laboratory tests. Note! - in the calculator above FLA is RLA + 25% . 1 hp = 0.745 kW.You can determine what size fuel injectors you will need by entering a few simple details into our calculator. Explanations of each input are below the calculator. The inputs are, in order of appearance: The number of cylinders in your engine, The BASE* fuel pressure you will run (your fuel pressure at idle), *our calculator assumes a 1:1 ...The calculator above uses the computational method. This approach calculates the "factor" for your boat that is spelled out in the rules. The factor is simply the length multiplied by the width of your boat. Based on this value, you lookup the maximum horsepower in a table. If you have a flat bottom boat, you'll need to downsize the ...

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Performance Trends Inc. Producing Quality Computer Tools for Racers and Engine Builders since 1986. Performance Trends Engine Displacement Calculator. Type in the required information: Measurement Units. Bore (Inches) Stroke (Inches) Number of Cylinders. Displacement Units.Twitter announced it will test a "CC" button that will let users turn video captions on or off. It is rolling out to some iOS users, coming to Android soon Twitter announced today ...The only "right" answer that actually answers the question is: Multiply the CC by what is called "specific output" (power per volume displacement), in the unit of hp/cc. Factor label works out to give you a number in the unit "hp" which is what you want.439 cc is approximately equal to 29.27 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio.The formula to calculate horsepower (HP) from cubic centimeters (CC) is straightforward: HP = CC / 15. This formula assumes a general conversion factor of 15 CC per 1 HP. Usage Instructions. Enter the CC value in the input field. Click the “Calculate HP” button. The calculated horsepower (HP) will be displayed below the button. Conclusion291 cc is approximately equal to 19.4 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio.

Use the following formula to calculate the proper flow rate for your injectors. injector flow rate = horsepower × BSFC # cylinders × safe duty cycle. To find the ideal flow rate, simply plug in the values found in steps one, two, and three into the formula and solve. The result is the flow rate in lb/hr.Now we convert the units from cubic inches (CID) to cubic feet per minute (cfm) using the following division: \frac {1,\!523,\!200} {3456} = 440.74\ \mathrm {CFM} 34561,523,200 = 440.74 CFM. That's how our carb cfm calculator works! If you're interested in car and automotive industry, you may also fine our winch size calculator useful. This ...Let's say we have a vehicle that weighs 1500 pounds and has a horsepower (hp) of 200. Its PWR will be as 0.133 hp/lb, which entails that it has a power output of 0.133 hp for every pound of weight. Calculating PWR. It's very easy to calculate a power-to-weight ratio. Simply divide the power output of a vehicle by its weight.195 cc is approximately equal to 13 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio.458 cc is approximately equal to 30.53 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio.2600 cc is approximately equal to 173.33 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio.The primary purpose of the calculator is to find the ideal Carburetor Flow Rate in cubic feet per minute , ensuring your engine operates at its best. To use this tool effectively, it's important to understand the underlying formula: Formula of Carburetor Sizing Calculator. Theoretical CFM = (Displacement * RPM) / 3456 . Street Carb.256 cc is approximately equal to 17.07 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio.Method #1: Range. The two steps involved in this conversion are: Step #1: Multiply your vehicle engine’s HP by 15. Step #2: Multiply your vehicle engine’s HP by 17. The result obtained from step #1 is the approximate maximum engine capacity, while the product from step #2 is the approximate minimum engine capacity.Jan 8, 2024 · Now let’s look at some specific CC to HP calculator tools to use. CC to HP Calculator Recommendations. Here are 5 top recommended free online CC to HP calculators: 1. Calculatorsoup CC to HP Calculator. Intuitive interface with inputs for CC, RPM, and button to calculate

Study the formula to convert horsepower between RPM. Work is equal to the torque multiplied by the time. The equation is therefore: \text {power}=\tau\times\frac {\text {RPM}} {5252} power = τ × 5252RPM. The constant 5252 is a result of converting RPM to radians per second, and of using the definition of horsepower.

4. Add the pumping lift and friction loss together. The vertical distance water needs to travel plus the friction losses from the pipe make the "total dynamic head" or TDH. This is the total pressure load the pump needs to overcome. [4] Example: TDH = vertical distance + friction loss = 50 ft + 20 ft = 70 ft.Mechanic / Hydraulic horsepower to watts. One mechanic or hydraulic horsepower is equal to 745.699872 watts: 1 hp (I) = 745.699872 W. So the power conversion of horsepower to watts is given by: P(W) = 745.699872 ⋅ P(hp)22 cc is approximately equal to 1.47 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio.To convert from CC to horsepower ( 357 CC TO HP) or vice versa. Type the amount below you want to transfer, then click the Transfer button in The calculator. Formula to convert 357 CC to HP horsepower Divide your vehicle engine’s capacity by 15.Horsepower Required to Drive a Pump. Gallons per minute (GPM) 5 Pounds/Sq Inch (PSI) Horsepower. hp. Example: How many horsepower are needed to drive a 5 gpm pump at 1500 psi? Formula: GPM x PSI x .0007 = horsepower needed.Torque represents the rotational force produced by the engine, while RPM measures the number of rotations the engine makes in a minute. To calculate Brake Horsepower, multiply the torque (in pound-feet) by the RPM and divide the result by 5252. The resulting value represents the power output of the engine at the crankshaft in Brake Horsepower.Cubic Inch Displacement of One Cylinder: Bore² x 3.14 x Stroke / 4 = CID (single cylinder) To calculate the bore and stroke of an engine's cylinder the above equation is used to find the cubic inches of volume that the single cylinder displaces. Once this piston displacement formula calculation has been performed, and rounded as necessary ...

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For getting this ratio, you should divide horsepower by displacement in cubic centimeters. For example, your engine offers 200 horsepower and it's a 2000 cc engine. It means that every cubic centimeter produces 0.1 horsepower (200 hp divided by 2000 cc equals 0.1 hp/cc). But a more practical and easy-to-understand method is counting horsepower ...The cc in an engine refers to the engine displacement in cubic centimeters. This capacity is estimated based on the volume swept by the piston, i.e., the volume of a cylinder. This parameter indicates the power generated by the engine and amount of fuel consumed. For example, a typical Formula One race car engine is of 1600 cc or 1.6 L capacity.Step 2. Apply The Formula. Use the following formula to determine the motor horsepower: HP = (V x I x Eff): 746. In short, multiply the efficiency, current, and voltage before dividing the number by 746. Here’s a specific example: Let’s say your electric motorbike has 230V motors that pull 4 amps with 82% efficiency.to calculate horsepower. Torque in foot pounds (ft·lbs) Engine RPM. Horsepower. When you choose horsepower, this calculator will measure the approximate horsepower of an engine based on the torque of the engine (measured in foot-pounds) multiplied by the RPM of the engine, divided by 5,252 (conversion between foot-pounds and horsepower).If you do not know the torque of your car engine, you can also use the following formula to determine its power in kilowatts: Ne = Vh * pe * n/120 (kW), where: Vh — engine capacity, cm³. n — rotational speed, rpm. pe — average effective pressure, MPa (at standard petrol engine it is 0.82 — 0.85 MPa, at higher-powered engine — 0,9 ...And get a proper reading of your vehicle's HP. The best part of using such websites is the accuracy. You can also use a normal calculator to know the precise value of the HP. Because once you know about the value of torque and rpm, the math is simple. The formula: Horsepower = Torque x RPM / 5,252.All Briggs & Stratton engines are sized in cubic centimeters (cc) and will be rated in one of the power ratings* below. -Horsepower (HP) is the amount of raw potential an engine can generate. HP ratings are stated as gross horsepower at 3600 RPM per SAE J1940 as rated by Briggs & Stratton. -Kilowatt (kW) is the metric equivalent of Horsepower.Jeff Smith, former editor of Car Craft and Hot Rod Magazines, takes us through his secret horsepower prediction formula that allows you to estimate engine po...Horsepower is an imperial unit of power of an engine. It is defined as the work done per unit time. Learn more about horsepower formula, and related solved examples. ... HP = 1.142 hp. Example 2 Calculate the speed of the vehicle if its horsepower is 0.865 hp and torque is 250 pound-foot. Solution: Given parameters are. Torque = 250 pound-foot ...Conclusion. Horsepower To CC: How To Convert Them? Converting horsepower to CC is fairly straightforward. One horsepower is equal to somewhere …CC (short for Cubic Capacity) refers to the engine's power output in your motorbike/bicycle. It determines the maximum power your engine can produce regarding mileage, horsepower, and torque. Higher capacity equals a larger air-fuel mixture and better power quality, resulting in a more powerful two-wheeler.The compressed volume is 0.000 + 9.854 + 118 18 = 109.854. Dividing the swept volume by the compressed volume we get 10.25:1. Static Versus Dynamic Compression. On a final note, these calculations ... ….

This calculator will help you estimate the potential of an engine. Roll your pointer to the left of the table to see typical values. There are tooltips over each input to tell you which values are affected by this input. For the theory behind the calculator see the engine page. Atmospheric air conditions: pressure * :896 cc is approximately equal to 59.73 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio.847 cc is approximately equal to 56.47 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio.Enter The CC. HP Result. Formula to convert 140 CC to HP horsepower Divide your vehicle engine’s capacity by 15. HP = CC/ 15. HP= horsepower. cc=Cubic Centimeters. for this 140 CC exemple HP= 140 /15 = 9.33. 140 cc= 9.33 HP.The 1976 Moto Guzzi V1000 Convert motorcycle performed as if it had an automatic transmission. See pictures and learn about this big Moto Guzzi. Advertisement The 1976 Moto Guzzi V...The formula for this approach is: horsepower = RPM (multiplied by) torque (divide by) 5,252. If the RPM of any vehicle motor is 5,600 RPM and torque is 350 foot-pounds, then all you need to put the values in the formula to calculate horsepower of the engine. (5,600 × 350) ÷ 5,252 = 373.19 HP.Convert kilowatts to horsepower (kW to hp), please type the kilowatts value, select the precision value and press the convert button below.You can enter an integer or a decimal kW value. After the kW conversion completed, the horsepower value displayed below with kilowatts and hp values.Here’s a graph showing the average horsepower for displacements for the bikes listed on Motorbimble. You can see that a bigger engine usually means more horsepower. On average, you get about 1 horsepower for every 10cc of displacement, but there can be a lot of variation. 600cc and 1000cc bikes have a higher average because these are popular ... How to calculate horsepower from cc, HP = t*RPM / 5252. Detail dasar tenaga kuda. Konversi CC ke HP cepat dan mudah dengan kalkulator ini. Cukup masukkan CC atau HP dan lihat hasil konversinya!, How to convert horsepower to watts Mechanic / Hydraulic horsepower to watts. One mechanic or hydraulic horsepower is equal to 745.699872 watts: 1 hp(I) = 745.699872 W. So the power conversion of horsepower to watts is given by: P (W) = 745.699872 ⋅ P (hp) Example. Convert 10 hp to watts: P (W) = 745.699872 ⋅ 10hp = 7456.99872 W . Electrical ..., To convert cubic centimeters to horsepower you first need to find your total engine size in cubic centimeters, or cc's. Then use this formula to convert the cc value into horsepower: HP=CC/15. For example, let's use 750 cc's: 750/15=50 horsepower, or hp. This is simple to do with a calculator, you don't need a professional., In terms of automobile specifications, 1 horsepower is roughly equivalent to 15 to 17 cubic centimeters. While these two units are both used to describe a vehicle's engine power, cubic centimeters cannot be converted directly to horsepower. Cubic centimeters (cc) and horsepower (hp) are units that belong to different measurement scales; cubic ..., Basic CC to HP Conversion. Because cubic centimeters is a measure of volume of displacement and horsepower is a measure of work output, there is no direct conversion between the two. Correlative examples illustrating the cubic centimeters and horsepower of several different engine types, however, reveal that there is approximately 15 to 17 ..., You can calculate the horsepower of an engine using several methods. Some common methods include the elapsed time method, the trap speed method, and the RPM and …, Creating the Engine - The Bugatti engine is capable of producing 1,000 horsepower. Find out how Bugatti engineered a W-16 engine and see pictures of the Bugatti engine. Advertiseme..., Step 3. Divide the CC number by 15 and press enter. The rule for a CC to HP conversion is there is 1 HP for every 15 CC in an engine. Some brands of snowblowers have an engine rating listed in CC, or cubic centimeters, especially imported European or eastern Asia brands. Americans are used to the standard HP, or horsepower, rating listed on ..., To convert from CC to horsepower ( 272 CC TO HP) or vice versa. Type the amount below you want to transfer, then click the Transfer button in The calculator. Formula to convert 272 CC to HP horsepower Divide your vehicle engine’s capacity by 15., Are you saving enough for retirement? SmartAsset's award-winning calculator can help you determine exactly how much you need to save to retire. To figure out how much you need to s..., Feb 23, 2024 · The heart of the CC Converter HP Calculator lies in its formula: HP = (CC × (RPM ÷ 1000)) ÷ 22.13. Where: HP: Horsepower, the measure of an engine’s power output. CC: Engine displacement in cubic centimeters. RPM: Engine speed in revolutions per minute. 22.13: A constant factor crucial for the conversion formula. , 100 cc is approximately equal to 6.67 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio., A motorcycle's CC remains constant, but its horsepower is variable. Most experts agree that horsepower is an even better parameter than CC to consider when buying a motorcycle. You can convert CC to HP by dividing the CC value by 15. For example, for a motorcycle with a CC of 1200, divide 1200 by 15 to obtain 80 as the bike's HP., Welcome to our video tutorial on calculating engine CC! Whether you're a car enthusiast or a mechanic, understanding how to calculate engine CC is an essenti..., Let's put this all together. We need to get to horsepower, which is 550 foot-pounds per second, using torque (pound-feet) and engine speed (RPM). If we divide the 550 foot-pounds by the 0.10472 radians per second (engine speed), we get 550/0.10472, which equals 5,252. So if you multiply torque (in pound-feet) by engine speed (in RPM) and divide ..., Brake horsepower per cubic centimeter. Brake horsepower per cubic centimeter or (bhp/cc) is a figure of merit that is used to indicate the ' state of tune ' of an internal combustion engine. It is defined as the ratio of the engine's net power output to its displacement, the internal size. Power is measured at its rated speed and full throttle., HP Result. Formula to convert 670 CC to HP horsepower Divide your vehicle engine’s capacity by 15. HP = CC/ 15. HP= horsepower. cc=Cubic Centimeters. for this 670 CC exemple HP= 670 /15 = 44.67. 670 cc= 44.67 HP., Compression Calculator. Get accurate compression without the guesswork! Get your engine's optimal compression ratio and total displacement in no time flat! Just complete your engine setup, click calculate, and you're on your way to maximum performance. Use (-) for Dome and (+) for Dish., CC (Cubic Centimeters): This measures the volume of the cylinder bore of an engine in cubic centimeters.It is a unit that indicates the engine’s capacity or size. HP (Horsepower): A unit of measurement for power, horsepower quantifies the engine’s output or how much work it can perform over time., 766 cc is approximately equal to 51.07 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio., To calculate the kilowatt-hours, you need to multiply the horsepower value by the time in hours and then convert the result to kilowatt-hours using the appropriate conversion factor. For example: If you have a device rated at 10 horsepower (hp) and it operates for 5 hours, you can calculate the energy consumption in kilowatt-hours as …, Method 1: Range. This conversion consists of two steps: Step 1: Multiply your vehicle engine's HP by 15. Step 2: Multiply your vehicle engine's HP by 17. The product of steps 1 and 2 is the approximate maximum engine capacity, whereas the product of steps 3 and 4 is the approximate minimum engine capacity., This section serves as your gateway to the intricate world of power and performance. The formula for horsepower (HP) is a classic: HP = (Torque × RPM)/5252. Dive deep into each element, from torque to RPM, and decipher the significance of 5252 in the equation. Uncover the relationship between these factors and witness how they come together to ..., Calculated Form CC TO HP. Enter The CC. HP Result. Formula to convert 674 CC to HP horsepower Divide your vehicle engine's capacity by 15. HP = CC/ 15. HP= horsepower. cc=Cubic Centimeters. for this 674 CC exemple HP= 674 /15 = 44.93. 674 cc= 44.93 HP., Basic CC to HP Conversion. Because cubic centimeters is a measure of volume of displacement and horsepower is a measure of work output, there is no direct conversion between the two. Correlative examples illustrating the cubic centimeters and horsepower of several different engine types, however, reveal that there is approximately 15 to 17 ..., Let’s say you have a boat weighing 5,000 pounds (2,268 kg) with an engine of 300 HP. The calculation will look like: 5,000 pounds / 300 HP = 16.6 pounds (7.5 kg) per horsepower. 300 HP / 5,000 pounds = 0.06 HP per 1 pound (0.45 kg) You should do the math to match the desired outboard engine with your boat size correctly., Convert CC Horsepower • How do you calculate CC to horsepower?-----Our mission is to create educational content. Therefore, we also explored this topic ..., Horsepower (hp) = Voltage x Amperage x % EFF x power factor x 1.73/746. = 472V x 20A x 0.90 x 0.85 x 1.73/746 = 17 Hp. The quickest method to closely estimate motor horsepower is to use a digital clamp meter to measure current and voltage to the motor, and then perform a simple calculation., Measure the torque in pound-feet (lb-ft). Record the engine's rotational speed in revolutions per minute (RPM). Use the formula: Horsepower (HP) = (Torque × RPM) / 5252. Multiply the torque by the RPM. Divide that number by 5252. This formula gives you the horsepower, reflecting the engine's power output., 99 cc is approximately equal to 6.6 horsepower, according to the general rule that every 5-6 cc generates 1 HP for hypercars and high-performance powersport vehicles . However, the exact hp value can vary depending on multiple factors, such as the engine type, stroke, aspiration, and compression ratio., First off, hold this in mind at all times: Power is the product of torque times RPM.This means that to measure the shaft power output of any engine, you must measure the torque it is producing and multiply that by the RPM at which it is operating., HP Result. Formula to convert 160 CC to HP horsepower Divide your vehicle engine’s capacity by 15. HP = CC/ 15. HP= horsepower. cc=Cubic Centimeters. for this 160 CC exemple HP= 160 /15 = 10.67. 160 cc= 10.67 HP., Horsepower (metric) Definition: The unit horsepower (symbol: hp) is a unit of measurement of power (the rate at which work is done). Mechanical horsepower, also known as imperial horsepower, is defined as approximately 745.7 watts (550 ft·lbf/s), while metric horsepower is approximately 735.5 watts (75 kgf·m/s).