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Watt-hours to Megacalories Converter

Convert watt-hours (Wh) to megacalories (Mcal), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Enter an amount of energy, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.

A number, fraction (3/8), mixed number (1 1/2), scientific notation (2.5e6) or a simple sum such as 2*3.
The unit you want the answer in. Swap exchanges the two units.
Result
0.000860420650096 Mcal
joules (watt-seconds)
3,600 J
kilojoules
3.6 kJ
megajoules
0.0036 MJ
gigajoules
3.6 × 10⁻⁶ GJ
calories (thermochemical)
860.420650096 cal
kilocalories (food Calories)
0.860420650096 kcal
kilowatt-hours
0.001 kWh
megawatt-hours
1 × 10⁻⁶ MWh
British thermal units (IT)
3.41214163313 Btu
million Btu
3.41214163313 × 10⁻⁶ MMBtu
therms (100,000 Btu)
3.41214163313 × 10⁻⁵ thm
quads (10¹⁵ Btu)
3.41214163313 × 10⁻¹⁵ quad
electronvolts
2.24694326681 × 10²² eV
kiloelectronvolts
2.24694326681 × 10¹⁹ keV
megaelectronvolts
2.24694326681 × 10¹⁶ MeV

1 Wh = 0.000860420650096 Mcal

Show the working
  1. 1 Wh = 0.000860420650096 Mcal
  2. 1 × 0.000860420650096 = 0.000860420650096 Mcal

How to convert watt-hours to megacalories

1 Wh = 0.000860420650096 Mcal, so multiply by 0.000860420650096 to go from watt-hours to megacalories. Going the other way, 1 Mcal = 1,162.22222222 Wh.

Mcal = Wh × 0.000860420650096
Wh = Mcal × 1,162.22222222

Worked example:

1 Wh = 0.000860420650096 Mcal
5 × 0.000860420650096 = 0.00430210325048 Mcal

Watt-hours to megacalories table

Watt-hoursMegacalories
1 Wh0.000860420650096 Mcal
2 Wh0.00172084130019 Mcal
3 Wh0.00258126195029 Mcal
4 Wh0.00344168260038 Mcal
5 Wh0.00430210325048 Mcal
6 Wh0.00516252390057 Mcal
7 Wh0.00602294455067 Mcal
8 Wh0.00688336520076 Mcal
9 Wh0.00774378585086 Mcal
10 Wh0.00860420650096 Mcal
15 Wh0.0129063097514 Mcal
20 Wh0.0172084130019 Mcal
25 Wh0.0215105162524 Mcal
30 Wh0.0258126195029 Mcal
40 Wh0.0344168260038 Mcal
50 Wh0.0430210325048 Mcal
75 Wh0.0645315487572 Mcal
100 Wh0.0860420650096 Mcal
250 Wh0.215105162524 Mcal
500 Wh0.430210325048 Mcal
1000 Wh0.860420650096 Mcal

About the units

Megacalories (Mcal)
Megacalories, a specialised unit. Definition: NIST SP 811 Appendix B.8, factors for units listed alphabetically.

Formula version 0.1.0Reviewed