milliwatts to BTU/hour
Convert milliwatt to btu/hour — instant, free, with the formula shown.
1 mW=0.003412 BTU/h
How to convert milliwatt to btu/hour
To convert milliwatt to btu/hour, multiply by 0.00341214:
BTU/h = mW × 0.00341214
For example, 10 mW × 0.003412 = 0.034121 BTU/h.
mW to BTU/h conversion table
| milliwatts (mW) | BTU/hour (BTU/h) |
|---|---|
| 1 mW | 0.003412 BTU/h |
| 2 mW | 0.006824 BTU/h |
| 5 mW | 0.017061 BTU/h |
| 10 mW | 0.034121 BTU/h |
| 25 mW | 0.085304 BTU/h |
| 50 mW | 0.170607 BTU/h |
| 100 mW | 0.341214 BTU/h |
| 250 mW | 0.853036 BTU/h |
| 500 mW | 1.706071 BTU/h |
| 1000 mW | 3.412142 BTU/h |
Other milliwatt conversions
Convert to btu/hour from another unit
mW to BTU/h — frequently asked
How many BTU/hour are in 1 milliwatt?
1 milliwatt = 0.003412 BTU/hour (mW × 0.003412 = BTU/h).
What is the formula to convert milliwatt to btu/hour?
Multiply your milliwatt value by 0.00341214 to get btu/hour.
How do I convert 10 milliwatts to BTU/hour?
10 mW = 0.034121 BTU/h. For 100 mW the answer is 0.341214 BTU/h. Use the calculator on this page for any other value.
When to convert milliwatt to btu/hour
1Car engines (hp ↔ kW)
2Electrical appliances (W, kW)
3Air conditioning (BTU/h ↔ kW)
4Renewable energy (MW, GW)
Power conversion — common questions
How many watts in 1 horsepower?
Mechanical: 1 hp ≈ 745.7 W. Metric: 1 hp (PS) ≈ 735.5 W. The mechanical definition is standard in the US/UK; metric is used in continental Europe.
How do I convert AC BTU/h to kW?
Divide BTU/h by 3,412 (or multiply by 0.000293). A 12,000 BTU/h AC ≈ 3.52 kW of cooling power.
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