nanowatt to IT BTU per hour
Convert nanowatt (nW) to IT BTU per hour (BTU/h). Use an editable power converter, conversion formula, and reference table.
1 nW = 3.41214163e-9 BTU/h
Conversion formula
One nanowatt equals 3.41214163e-9 IT BTU per hour. Multiply your value in nanowatt by this factor to get IT BTU per hour. For the reverse conversion, divide by the same factor.
Worked example
To convert 5 nanowatt:5 × 3.41214163e-9 = 1.70607082e-8 BTU/h
Conversion table
| nanowatt (nW) | IT BTU per hour (BTU/h) |
|---|---|
| 0.01 | 3.41214163e-11 |
| 0.1 | 3.41214163e-10 |
| 1 | 3.41214163e-9 |
| 2 | 6.82428327e-9 |
| 5 | 1.70607082e-8 |
| 10 | 3.41214163e-8 |
| 25 | 8.53035408e-8 |
| 50 | 1.70607082e-7 |
| 100 | 3.41214163e-7 |
| 1000 | 0.000003412141633 |
About these measurements
Power is the rate of energy transfer.
The base reference used here is the watt. One nanowatt is 1e-9 base units; one IT BTU per hour is 0.2930710702 base units.
Important distinctions
Mechanical horsepower and metric horsepower are distinct units.
Precision
The converter uses stored conversion factors and floating-point arithmetic. Results display up to ten significant digits, switching to scientific notation for very small or large values. Keep the precision of your original measurement when reporting results.
Common questions
How do I convert nW to BTU/h?
Multiply the quantity in nW by 3.41214163e-9. You can also type the value into the converter above.
Can I reverse the conversion?
Yes. Use the swap button or open the IT BTU per hour to nanowatt converter.
Reference
NIST Guide to the SI — conversion factors and prefix conventions. SI prefixes scale units by powers of ten; the dimension-specific notes above describe the assumptions used on this page.
