Use our current calculator to calculate amps given the voltage, power, or resistance. Plus, learn the formulas to calculate current.

Ampere (A) is a unit of electric current. Electric current is the rate of electric charge flow per time unit. One ampere (A) is equal to one coulomb (Q) per second (s). The current I in amps (A) is …

Jan 20, 2025 · The formula to calculate amps is I (A) = P (W) / V (V). Amps are equal to Watts divided by Voltage. You can use an ammeter to measure amps or milliamps. Use Ohm's Law …

Use our calculator and handy reference charts to convert electrical power (watts) to electrical current (amps)

Calculating amps from watts and volts is a straightforward process that simply requires identifying your wattage and voltage values and dividing them accordingly.

If you’re wondering how to calculate amps for your home circuit, appliance, or wiring project, you’re not alone. Whether you're working with batteries, AC systems, or selecting the right …

Dec 11, 2025 · Before you calculate electrical loads for residential dwellings, you must know the difference between the load and the capacity. Electrical capacity is the maximum amount of …