Current Converter
Convert
Enter a value and pick the source and target units; the result updates live.
Current is the rate of flow of electric charge through a conductor, measured in amperes (A). One ampere is one coulomb of charge per second. It's the quantity a multimeter's "A" range measures, and it's what fuses and wire gauges are rated against.
Converting between A, mA, µA and kA matters when reading small sensor currents in µA, sizing a power supply in A, or specifying a motor's kA starting current. A misplaced decimal here can mean the difference between a safe 10 mA and a dangerous 10 A.
Common applications
Reading a multimeter in mA; checking a battery's charge current; verifying a fuse rating against a circuit's current; specifying a motor's inrush current.
Frequently asked questions
Current is the rate of flow of electric charge, measured in amperes (A). 1 A = 1 coulomb per second.
1 A = 1000 mA. Multiply by 1000.
The ampere (A) is an SI base unit.