Engineering & Physics Tools & Calculators

Electrical current sizing, Ohm's law, real power conversion, Newtonian force dynamics, and kinetic energy calculations.

Amps to kW Calculator (Convert Amperes to Kilowatts & kW to Amps)

Convert electrical current in amperes to kilowatts (kW) and kW to amps for DC, single-phase AC, and 3-phase AC circuits with power factor and voltage settings.

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Ohm's Law Calculator (Voltage, Current, Resistance & Power)

Solve for voltage (V), current (I), resistance (R), and electrical power (P) with instant calculations based on Ohm's Law and Joule's Law.

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Electrical Power Calculator (Watts, Volts, Amps & kWh Cost)

Calculate electrical power in watts, kilowatts, and horsepower with P=VI, P=I²R, and P=V²/R, plus energy usage (kWh) and utility costs.

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Force Calculator — Newton’s Second Law (F = m × a)

Calculate net force, mass, or acceleration using Newton’s Second Law of Motion with Newtons, kilonewtons, and pound-force units.

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Kinetic Energy Calculator (Solve KE, Velocity & Mass)

Calculate kinetic energy in Joules, velocity, or mass using Ek = ½mv² with momentum analysis and real-world impact benchmarks.

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