Power conversion
1 milliwatt (mW) equals 0.003412141633 btu (it) per hour (BTU/h). Enter any value below to convert from mW to BTU/h.
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1 mW = 0.0034121416 BTU/h
| Unit | Value |
|---|---|
| Watt W | 0.001 |
| Kilowatt kW | 0.000001 |
| Megawatt MW | 0.000000001 |
| Milliwatt mW | 1 |
| Mechanical horsepower hp(I) | 0.000001341 |
| Metric horsepower PS | 0.0000013596 |
| BTU (IT) per hour BTU/h | 0.0034121416 |
| Foot-pound per second ft·lb/s | 0.0007375621 |
Formula
Use this relationship for a direct conversion:
2 mW = 0.0068242833 BTU/h.
Horsepower type is always identified because mechanical and metric horsepower differ by about 1.4 percent.
Quick reference
| Milliwatt (mW) | BTU (IT) per hour (BTU/h) |
|---|---|
| 0.01 | 0.0000341214 |
| 0.1 | 0.0003412142 |
| 1 | 0.0034121416 |
| 2 | 0.0068242833 |
| 5 | 0.0170607082 |
| 10 | 0.0341214163 |
| 25 | 0.0853035408 |
| 50 | 0.1706070817 |
| 100 | 0.3412141633 |
| 1,000 | 3.4121416331 |
From unit
One thousandth of a watt.
Symbol: mW
To unit
One International Table BTU transferred per hour.
Symbol: BTU/h
Keep converting
Source
Definitions are checked against NIST SP 811: Power units. Calculations use full internal precision before display rounding.
View the complete power converterQuestions
Use the formula BTU/h = mW x 0.003412141633. 1 milliwatt (mW) equals 0.003412141633 btu (it) per hour (BTU/h).
Horsepower type is always identified because mechanical and metric horsepower differ by about 1.4 percent.
