Milliwatts to Watts
Convert milliwatts (mW) to watts (W). Live results, batch values, CSV export, formula and examples. Free, no sign-up.
Runs on your device · no data upload
Up to 500 values. Calculations stay on this device. Decimal point: dot. Results use floating-point arithmetic and the selected display precision.
Results
1 values converted
| row | input | from | result | to | error |
|---|---|---|---|---|---|
| 1 | 1 | mW | 0.001 | W | — |
Mechanical horsepower is 550 foot-pounds-force per second; metric horsepower uses 75 kilogram-force meters per second.
Raw response
[
{
"row": 1,
"input": 1,
"from": "mW",
"result": "0.001",
"to": "W"
}
]How to convert milliwatts to watts
Enter one value or paste one value per line. Change precision, swap units, then copy or export the results. Invalid values are reported individually.
result = (value × 0.001 + 0 − 0) ÷ 1
Mechanical horsepower is 550 foot-pounds-force per second; metric horsepower uses 75 kilogram-force meters per second.
| Milliwatts (mW) | Watts (W) |
|---|---|
| 0 | 0 |
| 1 | 0.001 |
| 10 | 0.01 |
| 100 | 0.1 |
Reference: NIST unit conversion factors. Decimal and binary storage prefixes are distinct; rounded display values do not change the underlying calculation.