Work & Power Calculator
Calculate work from force, distance, and angle, then find power from work over time. Results in J, kJ, ft-lbs, W, kW, hp, and BTU/h.
Work Calculator
Calculate work from force, distance, and angle. Get joules, kilojoules, foot-pounds, calories, and power.
Signal-to-Noise Ratio Calculator
Calculate signal-to-noise ratio in dB from signal and noise levels. Get linear ratio, noise figure, nepers, and quality class. Free and instant.
Recoil Energy Calculator
Calculate free recoil energy in ft-lbs and joules from bullet weight, velocity, powder charge, and firearm weight. Get recoil velocity and impulse instantly.
Power to Weight Ratio Calculator
Calculate power-to-weight ratio from horsepower and weight. Get hp/lb, hp/kg, W/kg, and lb/hp plus a performance class.
Potential Energy Calculator
Calculate gravitational potential energy from mass, height, and gravity. Get instant results in joules, kilojoules, foot-pounds, and drop-impact speed.
Kinetic Energy Calculator
Calculate kinetic energy from mass and velocity. Get instant results in joules, kilojoules, foot-pounds, calories, and momentum.
Impact Energy Calculator
Calculate impact energy from mass and velocity, or from mass and drop height. Get instant results in joules, foot-pounds, and momentum.
Elastic Potential Energy Calculator
Calculate elastic potential energy from spring constant and displacement. Get joules, foot-pounds, force, and equivalent height.
Bullet Energy Calculator
Calculate bullet kinetic energy in joules and ft-lbs from mass and velocity. Get instant results, momentum, and a hunting-use category.