Convert watt-hours to british thermal units
1 Wh = 3.41214163313 BTU — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 39 energy & work units
- Petajoules PJ 3.6e-12
- Terajoules TJ 3.6e-9
- Gigajoules GJ 0.000 003 6
- Megajoules MJ 0.0036
- Kilojoules kJ 3.6
- Joules J 3600
- Millijoules mJ 3 600 000
- Microjoules µJ 3 600 000 000
- Nanojoules nJ 3 600 000 000 000
- Watt-hours Wh 1
- Kilowatt-hours kWh 0.001
- Megawatt-hours MWh 0.000 001
- Gigawatt-hours GWh 1e-9
- Terawatt-hours TWh 1e-12
- Calorie (thermochemical)s cal 860.420 650 096
- Kilocalories kcal 0.860 420 650 096
- Calorie (IT)s cal (IT) 859.845 227 859
- Kilocalorie (IT)s kcal (IT) 0.859 845 227 859
- British thermal units BTU 3.412 141 633 13
- BTU (thermochemical)s BTU (th) 3.414 425 949 64
- Million BTUs MMBTU 0.000 003 412 141 633 13
- Therm (US)s thm 0.000 034 129 563 407
- Therm (EC)s thm (EC) 0.000 034 121 411 564 9
- Electronvolts eV 2.24694326681e+22
- Kiloelectronvolts keV 2.24694326681e+19
- Megaelectronvolts MeV 2.24694326681e+16
- Gigaelectronvolts GeV 22 469 432 668 100
- Teraelectronvolts TeV 22 469 432 668.1
- Ergs erg 36 000 000 000
- Foot-pounds ft·lbf 2655.223 737 4
- Inch-pounds in·lbf 31 862.684 848 8
- Foot-poundals ft·pdl 85 429.297 455 2
- Horsepower-hours hp·h 0.001 341 022 089 6
- Tonne of TNTs t TNT 0.000 000 860 420 650 096
- Kiloton of TNTs kt TNT 8.60420650096e-10
- Megaton of TNTs Mt TNT 8.60420650096e-13
- Hartrees Eₕ 8.25736420223e+20
- Rydbergs Ry 1.65147284045e+21
- Quads quad 3.41214163313e-15
Every row is Watt-hour (Wh) converted through the joule, in exact rational arithmetic.
How to convert watt-hours to british thermal units
Multiply the number of watt-hours by 3.41214163313 to get british thermal units.
British thermal unit: International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.
Watt-hour to British thermal unit conversion table
| Watt-hours (Wh) | British thermal units (BTU) |
|---|---|
| 1 Wh | 3.412 141 6 |
| 2 Wh | 6.824 283 3 |
| 3 Wh | 10.236 425 |
| 5 Wh | 17.060 708 |
| 10 Wh | 34.121 416 |
| 20 Wh | 68.242 833 |
| 25 Wh | 85.303 541 |
| 50 Wh | 170.607 08 |
| 100 Wh | 341.214 16 |
| 250 Wh | 853.035 41 |
| 500 Wh | 1706.0708 |
| 1000 Wh | 3412.1416 |
British thermal unit to Watt-hour conversion table
| British thermal units (BTU) | Watt-hours (Wh) |
|---|---|
| 1 BTU | 0.293 071 07 |
| 2 BTU | 0.586 142 14 |
| 3 BTU | 0.879 213 21 |
| 5 BTU | 1.465 355 4 |
| 10 BTU | 2.930 710 7 |
| 20 BTU | 5.861 421 4 |
| 25 BTU | 7.326 776 8 |
| 50 BTU | 14.653 554 |
| 100 BTU | 29.307 107 |
| 250 BTU | 73.267 768 |
| 500 BTU | 146.535 54 |
| 1000 BTU | 293.071 07 |
Frequently asked
How many british thermal units are in a watt-hour?
One watt-hour equals 3.412141633 british thermal units (Wh → BTU). That figure is exact, not rounded.
How do you convert watt-hours to british thermal units?
Multiply the number of watt-hours by 3.41214163313 to get british thermal units.
What is 1 BTU in watt-hours?
One british thermal unit is 0.2930710702 watt-hours.
What is 10 Wh in BTU?
10 Wh = 34.121 416 BTU.
What exactly is a british thermal unit?
International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.