Convert Calorie to Watt-hour Online

About Calorie to Watt-hour Conversion

This converter converts Calorie (cal) to Watt-hour (Wh). One Calorie (cal) equals 0.0011622222222222223 Watt-hour (Wh).

Formula:

1 Calorie (cal) = 0.0011622222222222223 Watt-hour (Wh)

Example:

1 cal = 0.0011622222222222223 Wh
2 cal = 0.0023244444444444445 Wh

Calorie (cal) to Watt-hour (Wh) Conversion

A clear guide to converting Calorie into Watt-hour. Includes numeric examples, formulas, and a breakdown of where this conversion appears in science, engineering, and daily applications.

Conversion Formula

Watt-hour = Calorie × 0.001162

To convert Calorie (cal) to Watt-hour (Wh), multiply the value by 0.001162. This factor is obtained by comparing their exact meter definitions.

Worked Example

Convert 1 cal to Wh.

  • Step 1: Write the formula: Wh = cal × 0.001162
  • Step 2: Substitute: 1 × 0.001162
  • Step 3: Result: 0.001162 Wh
So, 1 cal = 0.001162 Wh.

About the Units

Calorie (cal)

One Calorie (cal) equals 0.001162 Watt-hour (Wh)

A widely used unit across scientific, engineering, and measurement contexts.

Watt-hour (Wh)

One Watt-hour (Wh) equals 860.42065 Calorie (cal)

A widely used unit across scientific, engineering, and measurement contexts.

Where This Conversion Is Used

  • Converting values from Calorie to Watt-hour for engineering or scientific workflows.
  • Used when normalizing mixed-unit datasets requiring consistent Watt-hour representation.
  • Applied when comparing different measurement systems across tools and documents.

Frequently Asked Questions

How many Watt-hour (Wh) are in 1 Calorie (cal)?

1 cal = 0.001162 Wh.

What is the formula for converting Calorie (cal) to Watt-hour (Wh)?

Multiply the cal value by 0.001162.

Can I reverse the conversion?

Yes. 1 Wh = 860.42065 cal.

Conclusion

By applying the conversion factor shown above, you can reliably convert Calorie (cal) to Watt-hour (Wh) for use in scientific analysis, engineering calculations, academic work, or daily measurements.

Quick Links for Unit Converters

Convert Calorie to Other Units

Calorie to Joule

1 cal = 4.184 J

1 Calorie (cal) = 4.184 Joules (J)

1 cal equals 4.184 Js.

Calorie to Kilojoule

1 cal = 0.004184 kJ

1 Calorie (cal) = 0.004184 Kilojoule (kJ)

1 cal equals 0.004184 kJ.

Calorie to Megajoule

1 cal = 0.000004184 MJ

1 Calorie (cal) = 0.000004184 Megajoule (MJ)

1 cal equals 0.000004184 MJ.

Calorie to Gigajoule

1 cal = 4.1840000000000004e-9 GJ

1 Calorie (cal) = 4.1840000000000004e-9 Gigajoule (GJ)

1 cal equals 4.1840000000000004e-9 GJ.

Calorie to Watt-hour

1 cal = 0.0011622222222222223 Wh

1 Calorie (cal) = 0.0011622222222222223 Watt-hour (Wh)

1 cal equals 0.0011622222222222223 Wh.

Calorie to Kilowatt-hour

1 cal = 0.0000011622222222222223 kWh

1 Calorie (cal) = 0.0000011622222222222223 Kilowatt-hour (kWh)

1 cal equals 0.0000011622222222222223 kWh.

Calorie to Megawatt-hour

1 cal = 1.1622222222222223e-9 MWh

1 Calorie (cal) = 1.1622222222222223e-9 Megawatt-hour (MWh)

1 cal equals 1.1622222222222223e-9 MWh.

Calorie to Erg

1 cal = 41840000 erg

1 Calorie (cal) = 41840000 Ergs

1 cal equals 41840000 ergs.

Calorie to Kilocalorie

1 cal = 0.001 kcal

1 Calorie (cal) = 0.001 Kilocalorie (kcal)

1 cal equals 0.001 kcal.

Calorie to British Thermal Unit

1 cal = 0.00396565124258336 BTU

1 Calorie (cal) = 0.00396565124258336 British Thermal Unit (BTU)

1 cal equals 0.00396565124258336 BTU.

Calorie to Foot-pound force

1 cal = 3.0859600333303745 ft_lbf

1 Calorie (cal) = 3.0859600333303745 Foot-pound forces (ft⋅lbf)

1 cal equals 3.0859600333303745 ft_lbves.

Calorie to Horsepower-hour

1 cal = 0.0000015585671463432716 hp_h

1 Calorie (cal) = 0.0000015585671463432716 Horsepower-hour (hp⋅h)

1 cal equals 0.0000015585671463432716 hp_h.

Calorie to Therm

1 cal = 3.9656512425833604e-8 therm_us

1 Calorie (cal) = 3.9656512425833604e-8 Therm (US)

1 cal equals 3.9656512425833604e-8 therm_us.

Calorie to Electronvolt

1 cal = 26114473967543833000 eV

1 Calorie (cal) = 26114473967543833000 Electronvolts (eV)

1 cal equals 26114473967543833000 eVs.

Calorie to Kiloelectronvolt

1 cal = 26114473967543830 keV

1 Calorie (cal) = 26114473967543830 Kiloelectronvolts (keV)

1 cal equals 26114473967543830 keVs.

Calorie to Megaelectronvolt

1 cal = 26114473967543.832 MeV

1 Calorie (cal) = 26114473967543.832 Megaelectronvolts (MeV)

1 cal equals 26114473967543.832 MeVs.

Calorie to Gigaelectronvolt

1 cal = 26114473967.54383 GeV

1 Calorie (cal) = 26114473967.54383 Gigaelectronvolts (GeV)

1 cal equals 26114473967.54383 GeVs.

Calorie to Tonne of Oil Equivalent

1 cal = 9.993312314894431e-11 toe

1 Calorie (cal) = 9.993312314894431e-11 Tonne of Oil Equivalent (toe)

1 cal equals 9.993312314894431e-11 toe.

Calorie to Tonne of Coal Equivalent

1 cal = 1.4276160449849187e-10 tce

1 Calorie (cal) = 1.4276160449849187e-10 Tonne of Coal Equivalent (tce)

1 cal equals 1.4276160449849187e-10 tce.

Calorie to Hartree

1 cal = 959689217281022300 hartree

1 Calorie (cal) = 959689217281022300 Hartrees

1 cal equals 959689217281022300 hartrees.

Convert Watt-hour to Other Units

Watt-hour to Joule

1 Wh = 3600 J

1 Watt-hour (Wh) = 3600 Joules (J)

1 Wh equals 3600 Js.

Watt-hour to Kilojoule

1 Wh = 3.6 kJ

1 Watt-hour (Wh) = 3.6 Kilojoules (kJ)

1 Wh equals 3.6 kJs.

Watt-hour to Megajoule

1 Wh = 0.0036 MJ

1 Watt-hour (Wh) = 0.0036 Megajoule (MJ)

1 Wh equals 0.0036 MJ.

Watt-hour to Gigajoule

1 Wh = 0.0000036 GJ

1 Watt-hour (Wh) = 0.0000036 Gigajoule (GJ)

1 Wh equals 0.0000036 GJ.

Watt-hour to Kilowatt-hour

1 Wh = 0.001 kWh

1 Watt-hour (Wh) = 0.001 Kilowatt-hour (kWh)

1 Wh equals 0.001 kWh.

Watt-hour to Megawatt-hour

1 Wh = 0.000001 MWh

1 Watt-hour (Wh) = 0.000001 Megawatt-hour (MWh)

1 Wh equals 0.000001 MWh.

Watt-hour to Erg

1 Wh = 36000000000 erg

1 Watt-hour (Wh) = 36000000000 Ergs

1 Wh equals 36000000000 ergs.

Watt-hour to Calorie

1 Wh = 860.4206500956022 cal

1 Watt-hour (Wh) = 860.4206500956022 Calories (cal)

1 Wh equals 860.4206500956022 cals.

Watt-hour to Kilocalorie

1 Wh = 0.8604206500956023 kcal

1 Watt-hour (Wh) = 0.8604206500956023 Kilocalorie (kcal)

1 Wh equals 0.8604206500956023 kcal.

Watt-hour to British Thermal Unit

1 Wh = 3.412128220196008 BTU

1 Watt-hour (Wh) = 3.412128220196008 British Thermal Units (BTU)

1 Wh equals 3.412128220196008 BTUs.

Watt-hour to Foot-pound force

1 Wh = 2655.223738047167 ft_lbf

1 Watt-hour (Wh) = 2655.223738047167 Foot-pound forces (ft⋅lbf)

1 Wh equals 2655.223738047167 ft_lbves.

Watt-hour to Horsepower-hour

1 Wh = 0.0013410233572743254 hp_h

1 Watt-hour (Wh) = 0.0013410233572743254 Horsepower-hour (hp⋅h)

1 Wh equals 0.0013410233572743254 hp_h.

Watt-hour to Therm

1 Wh = 0.00003412128220196008 therm_us

1 Watt-hour (Wh) = 0.00003412128220196008 Therm (US)

1 Wh equals 0.00003412128220196008 therm_us.

Watt-hour to Electronvolt

1 Wh = 2.2469432668058747e+22 eV

1 Watt-hour (Wh) = 2.2469432668058747e+22 Electronvolts (eV)

1 Wh equals 2.2469432668058747e+22 eVs.

Watt-hour to Kiloelectronvolt

1 Wh = 22469432668058747000 keV

1 Watt-hour (Wh) = 22469432668058747000 Kiloelectronvolts (keV)

1 Wh equals 22469432668058747000 keVs.

Watt-hour to Megaelectronvolt

1 Wh = 22469432668058744 MeV

1 Watt-hour (Wh) = 22469432668058744 Megaelectronvolts (MeV)

1 Wh equals 22469432668058744 MeVs.

Watt-hour to Gigaelectronvolt

1 Wh = 22469432668058.746 GeV

1 Watt-hour (Wh) = 22469432668058.746 Gigaelectronvolts (GeV)

1 Wh equals 22469432668058.746 GeVs.

Watt-hour to Tonne of Oil Equivalent

1 Wh = 8.598452278589854e-8 toe

1 Watt-hour (Wh) = 8.598452278589854e-8 Tonne of Oil Equivalent (toe)

1 Wh equals 8.598452278589854e-8 toe.

Watt-hour to Tonne of Coal Equivalent

1 Wh = 1.2283503255128362e-7 tce

1 Watt-hour (Wh) = 1.2283503255128362e-7 Tonne of Coal Equivalent (tce)

1 Wh equals 1.2283503255128362e-7 tce.

Watt-hour to Hartree

1 Wh = 825736420222677000000 hartree

1 Watt-hour (Wh) = 825736420222677000000 Hartrees

1 Wh equals 825736420222677000000 hartrees.