Convert british thermal units to watt-hours

1 BTU = 0.293071070172 Wh — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

0.293 071 070 172Wh
≈ Rounded to 12 s.f. 1 BTU ≈ 0.293 071 070 172 Wh
As a fraction: 52752792631/180000000000
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1 BTU = 0.293071070172 Wh
Show this value in all 39 energy & work units
  • Petajoules PJ 1.05505585262e-12
  • Terajoules TJ 1.05505585262e-9
  • Gigajoules GJ 0.000 001 055 055 852 62
  • Megajoules MJ 0.001 055 055 852 62
  • Kilojoules kJ 1.055 055 852 62
  • Joules J 1055.055 852 62
  • Millijoules mJ 1 055 055.852 62
  • Microjoules µJ 1 055 055 852.62
  • Nanojoules nJ 1 055 055 852 620
  • Watt-hours Wh 0.293 071 070 172
  • Kilowatt-hours kWh 0.000 293 071 070 172
  • Megawatt-hours MWh 0.000 000 293 071 070 172
  • Gigawatt-hours GWh 2.93071070172e-10
  • Terawatt-hours TWh 2.93071070172e-13
  • Calorie (thermochemical)s cal 252.164 400 722
  • Kilocalories kcal 0.252 164 400 722
  • Calorie (IT)s cal (IT) 251.995 761 111
  • Kilocalorie (IT)s kcal (IT) 0.251 995 761 111
  • British thermal units BTU 1
  • BTU (thermochemical)s BTU (th) 1.000 669 467 08
  • Million BTUs MMBTU 0.000 001
  • Therm (US)s thm 0.000 010 002 387 672 2
  • Therm (EC)s thm (EC) 0.000 009 999 998 603 11
  • Electronvolts eV 6.58514067819e+21
  • Kiloelectronvolts keV 6.58514067819e+18
  • Megaelectronvolts MeV 6 585 140 678 190 000
  • Gigaelectronvolts GeV 6 585 140 678 190
  • Teraelectronvolts TeV 6 585 140 678.19
  • Ergs erg 10 550 558 526.2
  • Foot-pounds ft·lbf 778.169 262 266
  • Inch-pounds in·lbf 9338.031 147 19
  • Foot-poundals ft·pdl 25 036.855 629 3
  • Horsepower-hours hp·h 0.000 393 014 778 922
  • Tonne of TNTs t TNT 0.000 000 252 164 400 722
  • Kiloton of TNTs kt TNT 2.52164400722e-10
  • Megaton of TNTs Mt TNT 2.52164400722e-13
  • Hartrees Eₕ 2.41999456355e+20
  • Rydbergs Ry 4.8399891271e+20
  • Quads quad 1e-15

Every row is British thermal unit (BTU) converted through the joule, in exact rational arithmetic.

How to convert british thermal units to watt-hours

Multiply the number of british thermal units by 0.293071070172 to get watt-hours.

British thermal unit: International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.

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

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

Frequently asked

How many watt-hours are in a british thermal unit?

One british thermal unit equals 0.2930710702 watt-hours (BTU → Wh). That figure is exact, not rounded.

How do you convert british thermal units to watt-hours?

Multiply the number of british thermal units by 0.293071070172 to get watt-hours.

What is 1 Wh in british thermal units?

One watt-hour is 3.412141633 british thermal units.

What is 10 BTU in Wh?

10 BTU = 2.930 710 7 Wh.

What exactly is a british thermal unit?

International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.

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