Calorie (th) to Megawatt-Hour Converter

Energy Converter

27 units available

Decimals:

From

To

1.162222e-9

1 cal = 1.162222e-9 MWh

Formula:

MWh = cal × 1.162222e-9

With your value: 1 cal = 1.162222e-9 MWh

How big is that?

Everyday references on a logarithmic scale, all expressed in calorie (th) so you can sanity-check the result.

Heartbeat (1/4.2 your value)0.239 cal

Your value1.00 cal

AA battery charge (2.4e+3× your value)2.39e+3 cal

Slice of bread (6.7e+4× your value)6.69e+4 cal

Daily food intake (2.0e+6× your value)2.01e+6 cal

Litre of petrol (8.2e+6× your value)8.17e+6 cal

Other Calorie (th) to Megawatt-Hour conversions

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

Calorie (th) to Megawatt-Hour Conversion Table

Calorie (th) (cal)	Megawatt-Hour (MWh)
0.5	5.811111e-10
1	1.162222e-9
2	2.324444e-9
5	5.811111e-9
10	1.162222e-8
15	1.743333e-8
20	2.324444e-8
25	2.905556e-8
50	5.811111e-8
100	1.162222e-7
250	2.905556e-7
500	5.811111e-7
1000	1.162222e-6

Megawatt-Hour to Calorie (th) Conversion Table

Megawatt-Hour (MWh)	Calorie (th) (cal)
0.5	430,210,325.047801
1	860,420,650.095602
2	1,720,841,300.191205
5	4,302,103,250.478011
10	8,604,206,500.956022
15	12,906,309,751.434034
20	17,208,413,001.912045
25	21,510,516,252.390057
50	43,021,032,504.78011
100	86,042,065,009.56023
250	215,105,162,523.90057
500	430,210,325,047.80115
1000	860,420,650,095.6023

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.

Calorie (th) (cal)

Energy

Exact conversion

The thermochemical calorie is exactly 4.184 J.

The International Table calorie (4.1868 J) and the 15 °C calorie differ slightly.

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 Calorie (th) to Megawatt-Hour

To convert from Calorie (th) (cal) to Megawatt-Hour (MWh), multiply the value by 1.162222e-9.

Formula: MWh = cal × 1.162222e-9

Reverse: cal = MWh × 860,420,650.0956023

Step-by-Step Example

Start with your value in Calorie (th). For example: 5 cal
Multiply by the conversion factor: 5 x 1.162222e-9
The result is: 5.811111e-9 MWh

About Calorie (th)

The thermochemical calorie equals 4.184 joules. Not to be confused with the food Calorie (kcal), which equals 1,000 calories.

Common uses: chemistry, nutrition, heating.

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 Calorie (th)?

There are exactly 1.162222e-9 Megawatt-Hour in 1 Calorie (th). This means the conversion factor from Calorie (th) to Megawatt-Hour is 1.162222e-9.

What is the formula to convert Calorie (th) to Megawatt-Hour?

The formula to convert Calorie (th) to Megawatt-Hour is: MWh = cal × 1.162222e-9. For example, to convert 10 Calorie (th) to Megawatt-Hour, you would multiply 10 by 1.162222e-9.

What is a Calorie (th)?