Microwatts to BTU/hr Converter
Enter the power in microwatts below to convert it to btu/hr.
Convert Microwatts to BTU/hr
Enter a value in microwatts (µW) to convert to btu/hr (BTU/hr).
Microwatt to BTU per Hour Conversion Table
Table showing various microwatt measurements converted to btu/hr. Click any preset value or arrow to load it into the converter.
| Microwatts (µW) | BTU/hr (BTU/hr) |
|---|---|
| 1 µW | 0.000003412 BTU/hr |
| 10 µW | 0.000034121 BTU/hr |
| 100 µW | 0.000341214 BTU/hr |
| 1,000 µW | 0.0034121 BTU/hr |
| 10,000 µW | 0.0341214 BTU/hr |
| 100,000 µW | 0.3412142 BTU/hr |
| 1,000,000 µW | 3.4121416 BTU/hr |
| 5,000,000 µW | 17.0607082 BTU/hr |
| 10,000,000 µW | 34.1214164 BTU/hr |
| 25,400,000 µW | 86.6683975 BTU/hr |
How to Convert Microwatts to BTU/hr
To convert microwatts to btu/hr, multiply the power by the following conversion ratio: 0.000003412 btu/hr/microwatt.
Since one microwatt is equal to 0.000003412 btu/hr, you can use this simple formula to convert:
The power in btu/hr is equal to the power in microwatts multiplied by 0.000003412.
For example, here's how to convert 5 microwatts to btu/hr using the formula above.
How Many BTU/hr Are in a Microwatt?
There are 0.000003412 btu/hr in a microwatt, which is why we use this value in the formula above.
Our microwatt to btu per hour calculator automatically converts your power measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Microwatts and btu/hr are both units used to measure power. Keep reading to learn more about each unit.
What Is a Microwatt?
A microwatt is a unit of power equal to 1/1,000,000 of a watt (0.000001 W). One-millionth of a Watt. [1]
The microwatt is classified as a metric and SI-compatible unit of power. Microwatts can be abbreviated as µW; for example, 1 microwatt can be written as 1 µW.
In the metric system, "micro" is the standard SI prefix for millionths, or 10⁻⁶. This makes the microwatt (µW) a convenient decimal multiple of the watt (W).
In practice, microwatts (µW) are widely used across fine-tolerance laboratory, analytical, and micro-scale power measurements within SI metric workflows, engineering documentation, and technical data sheets.
What Is a BTU per Hour?
A btu per hour is a unit of power equal to 0.2930711 watts (W), the base unit for power. HVAC thermal rate (1 W ≈ 3.41214 BTU/hr). [2]
The btu per hour is classified as a US customary and imperial unit of power. BTU/hr can be abbreviated as BTU/hr; for example, 1 btu per hour can be written as 1 BTU/hr.
When working with btu/hr (BTU/hr) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, btu/hr (BTU/hr) are widely used across standard power applications within US customary and imperial workflows, engineering documentation, and technical data sheets.
When converting power between microwatts (µW) and btu/hr (BTU/hr), keep full floating-point precision (1 µW = 0.000003412 BTU/hr; 1 BTU/hr = 293,071.07 µW) during intermediate calculations and round only the final btu per hour figure to match your instrument tolerance.
More Microwatt & BTU per Hour Conversions
Need to calculate in the opposite direction? Use our btu/hr to microwatts calculator to switch your starting unit immediately. You can also explore related tools such as converting btu/hr to microwatts, converting tons of refrigeration to btu/hr, or converting watts to horsepower (hp).
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Power & Radiant Flux))·Power Metrology Standard — Microwatts (µW) to BTU/hr (BTU/hr)
- [2]NIST CUU SpecificationNIST CUU (Derived SI Unit: Watt (W))·Unit Specifications: Microwatt (µW) & BTU per Hour (BTU/hr)
- [3]BIPM ReferenceBIPM (SI Brochure (9th Ed.) — Power)·Conversion Factors & Mathematical Basis (µW to BTU/hr)