Microwatt to BTU/Hour Converter

Power Converter

22 units available

Decimals:

From

To

3.412142e-6

1 µW = 3.412142e-6 BTU/h

Formula:

BTU/h = µW × 0.0000034121

With your value: 1 µW = 3.412142e-6 BTU/h

How big is that?

Everyday references on a logarithmic scale, all expressed in microwatt so you can sanity-check the result.

Your value1.00 µW

LED bulb (9.0e+6× your value)9.00e+6 µW

Laptop (6.5e+7× your value)6.50e+7 µW

Microwave oven (1.0e+9× your value)1.00e+9 µW

Electric kettle (3.0e+9× your value)3.00e+9 µW

Family car engine (9.0e+10× your value)9.00e+10 µW

Other Microwatt to BTU/Hour conversions

2 µW to BTU/h 3 µW to BTU/h 4 µW to BTU/h 5 µW to BTU/h 6 µW to BTU/h 7 µW to BTU/h 8 µW to BTU/h

Microwatt to BTU/Hour Conversion Table

Microwatt (µW)	BTU/Hour (BTU/h)
0.5	1.706071e-6
1	3.412142e-6
2	6.824283e-6
5	1.706071e-5
10	3.412142e-5
15	5.118212e-5
20	6.824283e-5
25	8.530354e-5
50	0.000171
100	0.000341
250	0.000853
500	0.001706
1000	0.003412

BTU/Hour to Microwatt Conversion Table

BTU/Hour (BTU/h)	Microwatt (µW)
0.5	146,535.535086
1	293,071.070172
2	586,142.140344
5	1,465,355.350861
10	2,930,710.701722
15	4,396,066.052583
20	5,861,421.403444
25	7,326,776.754306
50	14,653,553.508611
100	29,307,107.017222
250	73,267,767.543055
500	146,535,535.08611
1000	293,071,070.17222

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Microwatt (µW)

Power

Exact conversion

Derived from the watt (1 W = 1 J/s).

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

BTU/Hour (BTU/h)

Power

Exact conversion

Derived from the watt (1 W = 1 J/s).

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Microwatt to BTU/Hour

To convert from Microwatt (µW) to BTU/Hour (BTU/h), multiply the value by 3.412142e-6.

Formula: BTU/h = µW × 0.0000034121

Reverse: µW = BTU/h × 293,071.07017222

Step-by-Step Example

Start with your value in Microwatt. For example: 5 µW
Multiply by the conversion factor: 5 x 3.412142e-6
The result is: 1.706071e-5 BTU/h

About Microwatt

The microwatt (µW) is a unit of power. One microwatt equals 1.000000 × 10^-6 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: power calculations, engineering and science, education.

About BTU/Hour

The btu/hour (BTU/h) is a unit of power. One btu/hour equals 0.2930710702 watts. UnitConvertLab converts it against every other power unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: power calculations, engineering and science, education.

Frequently Asked Questions

How many BTU/Hour are in 1 Microwatt?

There are exactly 3.412142e-6 BTU/Hour in 1 Microwatt. This means the conversion factor from Microwatt to BTU/Hour is 3.412142e-6.

What is the formula to convert Microwatt to BTU/Hour?

The formula to convert Microwatt to BTU/Hour is: BTU/h = µW × 0.0000034121. For example, to convert 10 Microwatt to BTU/Hour, you would multiply 10 by 3.412142e-6.

What is a Microwatt?