Converters

Energy, Power & Torque

Engineering converters: amps to watts for DC and both AC configurations, lumens to watts by bulb technology, kilojoules to calories, torque between newton-metres and foot-pounds, and frequency to period.

Kilojoules to Calories Converter Convert food energy between kilojoules and calories — the two units the same … Amps to Watts Calculator Convert amps to watts for DC, single-phase and three-phase AC, with power fac… Watts to Amps Calculator Convert watts to amps for DC and AC circuits, and check the load against comm… Lumens to Watts Calculator Convert lumens to the wattage each bulb technology needs to produce that brig… Hertz to Seconds Converter Convert frequency in hertz to its period in seconds and milliseconds, with an… Inch-Pounds to Foot-Pounds Converter Convert torque between inch-pounds, foot-pounds and newton-metres — the conve… Newton-Meters to Foot-Pounds Converter Convert newton-metres to foot-pounds and inch-pounds, the conversion between … Three Phase Amps to Watts Calculator Three-phase power with the √3 factor and power factor applied. Three Phase Watts to Amps Calculator Three-phase power with the √3 factor and power factor applied.

About the energy, power & torque

Engineering converters: amps to watts for DC and both AC configurations, lumens to watts by bulb technology, kilojoules to calories, torque between newton-metres and foot-pounds, and frequency to period. There are 9 converters in this category, and each one shows the formula it uses, works instantly as you type, and keeps your figures on your own device.

Grouped above by the unit you are converting from, so a category with hundreds of pairs stays scannable. Every conversion also exists in reverse — the link is on each page.

Cannot find what you need? Ask for it — requested calculators go to the front of the build queue.