HomeEnergyKilowatt Hours to Calories

Kilowatt Hours to Calories Converter

Convert kilowatt hours to calories with the formula, a reference table and every energy unit.

Online Converter

Convert Kilowatt Hour to Calorie

860,420.650096

Conversion Formula

cal = kWh × 860420.6501

1 kWh in every energy unit

Tap a unit to make it the target of the converter above.

Conversion factors

1 kWh = 860,420.650096 cal
1 cal = 0.000001 kWh
cal = kWh × 860420.6501

Using this converter

How to use
  1. 1

    Enter a value

    Type a number into the From box. It starts at 1 so you can see the basic ratio straight away. Thousands separators such as 1,250.5 are accepted.

  2. 2

    Choose your units

    This page opens with its own units selected. Use either dropdown to pick any other unit in the category, or tap a unit in the all-units list to make it the target.

  3. 3

    Read the result

    The answer updates as you type and the matching formula is shown underneath. There is no Convert button to press.

  4. 4

    Swap, copy or clear

    Swap reverses the direction, Copy Result copies a line such as 1 km = 0.621371 mi, and Clear empties the input so you can start again.

Supported input formats

Input

  • Supported
    Whole numbers25
  • Supported
    Decimal numbers2.75

    Use a dot as the decimal separator.

  • Supported
    Negative numbers-40

    Calculated for every unit. Quantities such as length or weight are normally positive, while temperatures can be negative.

  • Supported
    Thousands separators1,250.5

    Commas must group digits in threes. 1,234 is read as one thousand two hundred thirty-four.

  • Supported
    Scientific notation1.5e6

    Useful for very large or very small values (1.5e6 = 1,500,000).

  • Not supported
    Comma as decimal mark2,5

    Type 2.5 instead.

  • Not supported
    Fractions1/2

    Type 0.5 instead.

  • Not supported
    Numbers with unit text5 km

    Enter only the number and choose the unit from the dropdown.

Output

Results use US English formatting (1,234.56) and show up to 6 decimal places with trailing zeros removed. Very small results appear in scientific notation, such as 9.0949e-13, instead of rounding to zero.

Units available in this converter

  • Joule (J)
  • Kilojoule (kJ)
  • Calorie (cal)
  • Kilocalorie (kcal)
  • Watt Hour (Wh)
  • Kilowatt Hour (kWh)

Quick reference tables

Common values for the units currently selected above, in both directions.

Kilowatt Hour to Calorie
kWhcal
1860,420.650096
54,302,103.250478
108,604,206.500956
2521,510,516.25239
5043,021,032.50478
10086,042,065.00956
500430,210,325.047801
1,000860,420,650.095602
Calorie to Kilowatt Hour
calkWh
10.000001
50.000006
100.000012
250.000029
500.000058
1000.000116
5000.000581
1,0000.001162

Limitations

  • The calorie is the thermochemical calorie (4.184 J). Calories on food labels are kilocalories.
  • Energy is not power: a kilowatt-hour is different from a kilowatt. BTU and electronvolt are not supported.
  • Results show up to 6 decimal places. Values are not rounded during calculation, and a non-zero result that would display as 0 is shown in scientific notation.
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