BTU per hour to milliwatts converter
Milliwatts (mW)
1 BTU per hour = 293.0710702 milliwatts
How to convert BTU per hour to milliwatts
mW = BTU/h × 293.071070172
Multiply the number of BTU per hour by 293.071070172 to get milliwatts. Going the other way, divide by 293.071070172 (or multiply by 0.00341214163313).
One BTU per hour is exactly defined as 293.071070172 milliwatts (to 12 significant figures), and one milliwatt is 0.00341214163313 BTU per hour.
Worked examples
- Convert 5 BTU per hour: 5 × 293.071070172 = 1,465.355351 1,465.355351 milliwatts.
- Convert 12.5 BTU per hour: 12.5 × 293.071070172 = 3,663.388377 3,663.388377 milliwatts.
- Convert 250 BTU per hour: 250 × 293.071070172 = 73,267.76754 73,267.76754 milliwatts.
Quick-reference table
| BTU/h | mW |
|---|---|
| 1 | 293.0710702 |
| 2 | 586.1421403 |
| 3 | 879.2132105 |
| 5 | 1,465.355351 |
| 10 | 2,930.710702 |
| 15 | 4,396.066053 |
| 20 | 5,861.421403 |
| 25 | 7,326.776754 |
| 50 | 14,653.55351 |
| 75 | 21,980.33026 |
| 100 | 29,307.10702 |
| 1,000 | 293,071.0702 |
| mW | BTU/h |
|---|---|
| 1 | 0.003412141633 |
| 2 | 0.006824283266 |
| 3 | 0.0102364249 |
| 5 | 0.01706070817 |
| 10 | 0.03412141633 |
| 15 | 0.0511821245 |
| 20 | 0.06824283266 |
| 25 | 0.08530354083 |
| 50 | 0.1706070817 |
| 75 | 0.2559106225 |
| 100 | 0.3412141633 |
| 1,000 | 3.412141633 |
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Frequently asked questions
How many milliwatts are in 1 BTU per hour?
1 BTU per hour equals 293.0710702 milliwatts.
What is the formula to convert BTU per hour to milliwatts?
Use mW = BTU/h × 293.071070172. Multiply the number of BTU per hour by 293.071070172 to get milliwatts. Going the other way, divide by 293.071070172 (or multiply by 0.00341214163313).
What is 100 BTU per hour in milliwatts?
100 BTU per hour is 29,307.10702 milliwatts.