Work and Power Calculator

Calculate work and power with force, distance, speed, time, angle, and unit conversions, with clear negative and zero-case notes.

Recoil Energy Calculator

Estimate free recoil energy, recoil velocity, and impulse with US or metric units and clear SAAMI or fixed-gas methods.

TNT Equivalent Calculator

Convert energy, TNT mass, or explosive mass into TNT equivalent with clear units, TNT factor options, and readable outputs.

Work Calculator

Calculate work, net work from speeds, or friction work with clear units, signs, and step-by-step physics formulas.

Bullet Energy Calculator

Calculate bullet kinetic energy, velocity, or weight with unit conversion, plus optional momentum, power factor, and sectional density.

EIRP Calculator

Calculate EIRP or max Tx power from gain and losses, with dBm, dBW, W, mW, ERP, and dBd to dBi conversion.