Convert BTU/hr to milliwatts
BTU per hour to milliwatts. Enter a value to convert, or use the BTU/hr to milliwatts chart further down the page.
1 BTU per hour equals 293.0710702 milliwatts. Going the other way, 1 milliwatt = 0.003412141633 BTU per hour.
How to convert BTU/hr to milliwatts
To convert BTU per hour to milliwatts, multiply the BTU per hour value by 293.0710702. You can also divide by 0.003412141633 to get the same answer.
mW = BTU/h × 293.0710702
Worked example
Convert 15 BTU/h to milliwatts:
15 BTU/h = 4,396.066053 mW
BTU/hr to milliwatts conversion chart
Use this BTU/hr to milliwatts table for quick reference without typing anything.
| BTU per hour (BTU/h) | milliwatts (mW) |
|---|---|
| 0.01 BTU/h | 2.930710702 mW |
| 0.1 BTU/h | 29.30710702 mW |
| 1 BTU/h | 293.0710702 mW |
| 2 BTU/h | 586.1421403 mW |
| 3 BTU/h | 879.2132105 mW |
| 5 BTU/h | 1,465.355351 mW |
| 10 BTU/h | 2,930.710702 mW |
| 20 BTU/h | 5,861.421403 mW |
| 50 BTU/h | 14,653.55351 mW |
| 100 BTU/h | 29,307.10702 mW |
| 1,000 BTU/h | 293,071.0702 mW |
What is a BTU per hour?
BTU per hour rates the capacity of heaters and air conditioners. 12,000 BTU/h is one “ton” of cooling.
What is a milliwatt?
The milliwatt (mW) is a unit of power equal to 0.001 watts.
Frequently asked questions
How many milliwatts are in a BTU per hour?
1 BTU/hr equals 293.0710702 milliwatts. Going the other way, 1 milliwatts is 0.003412141633 BTU/hr.
How do you convert BTU/hr to milliwatts?
To convert BTU per hour to milliwatts, multiply the BTU per hour value by 293.0710702. You can also divide by 0.003412141633 to get the same answer.
What is 10 BTU/hr in milliwatts?
10 BTU/hr equals 2,930.710702 milliwatts. The conversion chart on this page lists the other values people look up most often.
Related power conversions
Convert BTU/hr to other units
Convert other units to milliwatts
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