Drawer 03
Engines and Motion calculators
Horsepower from torque and rpm, power-to-weight ratios, quarter-mile estimates, work and kinetic energy in foot-pounds and joules.
- Cards in this drawer
- 7
- Typical formula
- hp = T × rpm ⁄ 5252
Front of the drawer
No. 03·0019Calculate Horsepower from Torque and RPMHorsepower285.6 hpHorsepower from torque in lb-ft and engine speed in rpm, with kilowatts and torque in newton-metres.
No. 03·0210HP to Quarter-Mile Calculator: Estimate ET and SpeedEstimated quarter-mile ET13.21 sAn HP quarter-mile calculator estimates a vehicle’s quarter-mile elapsed time (ET) and trap speed from its hor…
No. 03·0183Feet per Second to Foot-Pounds CalculatorKinetic energy1.55 ft·lbfA feet-per-second to foot-pounds calculator needs more than speed: enter the moving object’s mass or weight as…
Every card in Engines and Motion
| Calculator | Example result |
|---|---|
| Calculate Horsepower from Torque and RPM | 285.6 hp |
| Car Power to Weight Ratio Calculator | 11.67 lb/hp |
| Eighth Mile to Quarter Mile Calculator and Formula | 10.99 s |
| Feet per Second to Foot-Pounds Calculator | 1.55 ft·lbf |
| Feet per Second to Foot-Pounds: What Distance Means | |
| FPS to FPE Calculator (Feet per Second to Foot-Pounds) | 69.62 ft·lbf |
| HP to Quarter-Mile Calculator: Estimate ET and Speed | 13.21 s |
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Every calculator uses a standard formula and shows it. How the calculators work.