Kilocalorie to Megawatt-Hour Converter

Energy Converter

27 units available

Decimals:

From

To

1.162222e-6

1 kcal = 1.162222e-6 MWh

Formula:

MWh = kcal × 0.0000011622

With your value: 1 kcal = 1.162222e-6 MWh

How big is that?

Everyday references on a logarithmic scale, all expressed in kilocalorie so you can sanity-check the result.

Heartbeat (1/4.2e+3 your value)0.000239 kcal

Your value1.00 kcal

AA battery charge (2.4× your value)2.39 kcal

Slice of bread (67× your value)66.9 kcal

Daily food intake (2.0e+3× your value)2.01e+3 kcal

Litre of petrol (8.2e+3× your value)8.17e+3 kcal

Other Kilocalorie to Megawatt-Hour conversions

2 kcal to MWh 3 kcal to MWh 4 kcal to MWh 5 kcal to MWh 6 kcal to MWh 7 kcal to MWh 8 kcal to MWh

Kilocalorie to Megawatt-Hour Conversion Table

Kilocalorie (kcal)	Megawatt-Hour (MWh)
0.5	5.811111e-7
1	1.162222e-6
2	2.324444e-6
5	5.811111e-6
10	1.162222e-5
15	1.743333e-5
20	2.324444e-5
25	2.905556e-5
50	5.811111e-5
100	0.000116
250	0.000291
500	0.000581
1000	0.001162

Megawatt-Hour to Kilocalorie Conversion Table

Megawatt-Hour (MWh)	Kilocalorie (kcal)
0.5	430,210.325048
1	860,420.650096
2	1,720,841.300191
5	4,302,103.250478
10	8,604,206.500956
15	12,906,309.751434
20	17,208,413.001912
25	21,510,516.25239
50	43,021,032.50478
100	86,042,065.00956
250	215,105,162.523901
500	430,210,325.047801
1000	860,420,650.095602

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Kilocalorie (kcal)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Megawatt-Hour (MWh)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Kilocalorie to Megawatt-Hour

To convert from Kilocalorie (kcal) to Megawatt-Hour (MWh), multiply the value by 1.162222e-6.

Formula: MWh = kcal × 0.0000011622

Reverse: kcal = MWh × 860,420.6500956023

Step-by-Step Example

Start with your value in Kilocalorie. For example: 5 kcal
Multiply by the conversion factor: 5 x 1.162222e-6
The result is: 5.811111e-6 MWh

About Kilocalorie

The kilocalorie (food Calorie) equals 1,000 calories or 4,184 joules. It is the standard unit for food energy content.

Common uses: nutrition, diet, food labeling.

About Megawatt-Hour

The megawatt-hour (MWh) is a unit of energy and work. One megawatt-hour equals 3.600000 × 10^+9 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

Frequently Asked Questions

How many Megawatt-Hour are in 1 Kilocalorie?

There are exactly 1.162222e-6 Megawatt-Hour in 1 Kilocalorie. This means the conversion factor from Kilocalorie to Megawatt-Hour is 1.162222e-6.

What is the formula to convert Kilocalorie to Megawatt-Hour?

The formula to convert Kilocalorie to Megawatt-Hour is: MWh = kcal × 0.0000011622. For example, to convert 10 Kilocalorie to Megawatt-Hour, you would multiply 10 by 1.162222e-6.

What is a Kilocalorie?