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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/h = 293.071 mW

1 BTU per hour equals 293.071 milliwatts. Going the other way, 1 milliwatt = 0.00341214 BTU per hour.

Check this before you rely on it. This converter is provided free and without warranty, and its results are not professional advice.

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 = 4,396.07 mW

BTU/hr to milliwatts conversion chart

Use this BTU/hr to milliwatts table for quick reference without typing anything.

BTU/hr to milliwatts conversion table
BTU per hour (BTU/h)milliwatts (mW)
0.01 BTU/h2.93071 mW
0.1 BTU/h29.3071 mW
1 BTU/h293.071 mW
2 BTU/h586.142 mW
3 BTU/h879.213 mW
5 BTU/h1,465.36 mW
10 BTU/h2,930.71 mW
20 BTU/h5,861.42 mW
50 BTU/h14,653.6 mW
100 BTU/h29,307.1 mW
1,000 BTU/h293,071 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 293.071 milliwatts. Going the other way, 1 milliwatts is 0.00341214 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 2,930.71 milliwatts. The conversion chart on this page lists the other values people look up most often.

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