Convert watt-hours to calorie (thermochemical)s

1 Wh = 860.420650096 cal — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

860.420 650 096cal
≈ Rounded to 12 s.f. 1 Wh ≈ 860.420 650 096 cal
As a fraction: 450000/523
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1 Wh = 860.420650096 cal
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 calorie (thermochemical)s

Multiply the number of watt-hours by 860.420650096 to get calorie (thermochemical)s.

Calorie (thermochemical): Exactly 4.184 J. The "small" calorie.

Watt-hour to Calorie (thermochemical) conversion table

Watt-hours (Wh) Calorie (thermochemical)s (cal)
1 Wh 860.420 65
2 Wh 1720.8413
3 Wh 2581.262
5 Wh 4302.1033
10 Wh 8604.2065
20 Wh 17 208.413
25 Wh 21 510.516
50 Wh 43 021.033
100 Wh 86 042.065
250 Wh 215 105.16
500 Wh 430 210.33
1000 Wh 860 420.65

Calorie (thermochemical) to Watt-hour conversion table

Calorie (thermochemical)s (cal) Watt-hours (Wh)
1 cal 0.001 162 222 2
2 cal 0.002 324 444 4
3 cal 0.003 486 666 7
5 cal 0.005 811 111 1
10 cal 0.011 622 222
20 cal 0.023 244 444
25 cal 0.029 055 556
50 cal 0.058 111 111
100 cal 0.116 222 22
250 cal 0.290 555 56
500 cal 0.581 111 11
1000 cal 1.162 222 2

Frequently asked

How many calorie (thermochemical)s are in a watt-hour?

One watt-hour equals 860.4206501 calorie (thermochemical)s (Wh → cal). That figure is exact, not rounded.

How do you convert watt-hours to calorie (thermochemical)s?

Multiply the number of watt-hours by 860.420650096 to get calorie (thermochemical)s.

What is 1 cal in watt-hours?

One calorie (thermochemical) is 0.001162222222 watt-hours.

What is 10 Wh in cal?

10 Wh = 8604.2065 cal.

What exactly is a calorie (thermochemical)?

Exactly 4.184 J. The "small" calorie.

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