Convert milliamperes to amperes and amperes to milliamperes instantly. Bidirectional current converter with formula and common values.
To convert milliamperes to amperes, divide by 1,000 (or multiply by 0.001). This conversion is common when sizing circuit breakers, fuses, and wire gauges for electronic systems.
| Milliamperes (mA) | Amperes (A) |
|---|---|
| 20 | 0.02 |
| 100 | 0.1 |
| 500 | 0.5 |
| 1,000 | 1 |
| 2,400 | 2.4 |
| 5,300 | 5.3 |
| 15,000 | 15 |
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Divide the milliampere value by 1,000 (or multiply by 0.001). For example, 5,300 mA = 5.3 A.
A phone charger draws about 1,000-3,000 mA (1-3 A), a laptop charger 2,000-5,000 mA, and a microwave 8,000-15,000 mA.
The mA setting measures small currents (up to ~200-500 mA) through a high-sensitivity shunt. The A setting handles larger currents (up to ~10-20 A) through a low-resistance shunt.
Battery capacity in mAh and discharge rates in mA provide more intuitive numbers for the small currents typical of portable electronics, avoiding decimal fractions of amperes.