Home / Converters
Tool library · 18 converters
All converters
Every tool shows its formula, a worked example and a reference table — no black boxes.
Power & current
Convert between power ratings and the current a circuit draws.
kVA to Amps
Convert apparent power (kilovolt-amps) to current (amps) for single-phase and three-phase …
Amps to kVA
Convert current (amps) to apparent power (kilovolt-amps) …
Watts to Amps
Convert electrical power (watts) to current (amps) for DC, single-phase AC, and three-phas…
Amps to Watts
Convert current (amps) to power (watts) for DC, single-phase and three-phase circuits, wit…
kW to Amps
Convert real power (kilowatts) to current (amps) for DC, single-phase and three-phase circ…
Amps to kW
Convert current (amps) to real power (kilowatts) for DC, single-phase and three-phase AC c…
VA to Amps
Convert apparent power (volt-amps) to current (amps) …
Volts to Amps
Find current (amps) from voltage using either the power (watts) or the resistance (ohms) o…
kW, kVA & energy
Real power, apparent power and energy over time.
kW to kVA
Convert real power (kilowatts) to apparent power (kilovolt-amps) using the power factor …
kVA to kW
Convert apparent power (kilovolt-amps) to real power (kilowatts) using the power factor …
Single Phase kW to kVA
Convert single-phase real power (kW) to apparent power (kVA) …
kWh to kW
Convert energy (kilowatt-hours) to average power (kilowatts) over a time period …
Motors & horsepower
Motor ratings, currents and the 746-watt horsepower.
HP to Amps
Estimate the full-load current of a motor from its horsepower rating, accounting for volta…
Watts to Horsepower
Convert electrical power (watts) to horsepower using the electric horsepower standard of 7…
HP to Watts
Convert horsepower to watts using the electric horsepower standard of 746 watts per HP…
Batteries & lighting
Battery capacity and light level conversions.