Direct conversion
Convert BTU per hour [BTU/h] to milliwatt [mW] instantly with formula, examples, chart, and FAQs.
1 BTU per hour [BTU/h] = 293.07107 milliwatt [mW]
1 BTU per hour [BTU/h] = 293.07107 milliwatt [mW]
Example: 1 BTU per hour [BTU/h] equals 293.07107 milliwatt [mW].
Power conversions use watt as the reference unit and include mechanical horsepower, electrical power, and heat-rate units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-08-14.
The BTU per hour (BTU/h) is a power unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse BTU per hour when comparing power values, checking specifications, converting between systems, or preparing quick estimates.
The milliwatt (mW) is a power unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse milliwatt when comparing power values, checking specifications, converting between systems, or preparing quick estimates.
| BTU per hour [BTU/h] | milliwatt [mW] |
|---|---|
| 1 | 293.07107 |
| 2 | 586.14214 |
| 5 | 1465.355351 |
| 10 | 2930.710702 |
| 20 | 5861.421403 |
| 25 | 7326.776754 |
| 50 | 14653.553509 |
| 100 | 29307.107017 |
| 1000 | 293071.070172 |
Use this formula: 1 BTU per hour [BTU/h] = 293.07107 milliwatt [mW] Enter your value in the calculator and the result updates instantly.
1 BTU per hour [BTU/h] equals 293.07107 milliwatt [mW].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.