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Convert kcal to calories

1 kilocalorie equals 1,000 calories (thermochemical). Enter a value below to convert instantly.

1 kcal
1,000 cal

Multiply the number of kilocalories by 1000 to get calories (thermochemical). How this is calculated

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Need the other direction? Convert calorie (thermochemical) to kilocalorie →

Formula

Multiply the number of kilocalories by 1000 to get calories (thermochemical).

Step by step

  1. Start with 1 kcal.
  2. Multiply by the conversion factor 1000.
  3. 1 × 1000 = 1,000 cal.

Kilocalories to Calories (thermochemical) conversion table

Kilocalories (kcal) Calories (thermochemical) (cal)
1 1,000
2 2,000
5 5,000
10 10,000
20 20,000
50 50,000
100 100,000
500 500,000
1,000 1,000,000

Convert Kilocalorie to other energy units

1 kcal expressed in every other energy unit on this site.

  • Joule J 4,184
  • Kilojoule kJ 4.184
  • Megajoule MJ 0.004184
  • Gigajoule GJ 0.000004184
  • Millijoule mJ 4,184,000
  • Microjoule µJ 4,184,000,000
  • Nanojoule nJ 4,184,000,000,000
  • Attojoule aJ 4.184e+21
  • Erg erg 41,840,000,000
  • Calorie (thermochemical) cal 1,000
  • Calorie (IT) cal(IT) 999.33123
  • Kilocalorie (IT) kcal(IT) 0.99933123
  • Megacalorie Mcal 0.001
  • Watt-hour Wh 1.1622222
  • Kilowatt-hour kWh 0.0011622222
  • Megawatt-hour MWh 0.0000011622222
  • Gigawatt-hour GWh 1.1622222e-9
  • Watt-second W·s 4,184
  • Kilowatt-second kW·s 4.184
  • Horsepower-hour hp·h 0.0015585657
  • British Thermal Unit BTU 3.9656668
  • BTU (thermochemical) BTU(th) 3.9683207
  • MBTU (thousand BTU) MBTU 0.0039656668
  • MMBTU (million BTU) MMBTU 0.0000039656668
  • Therm (US) thm (US) 0.000039666137
  • Therm (EC) thm (EC) 0.000039656512
  • Ton-hour (refrigeration) ton·h 0.00033047224
  • Foot-pound ft·lbf 3,085.96
  • Inch-pound in·lbf 37,031.52
  • Foot-poundal ft·pdl 99,287.828
  • Kilogram-force Meter kgf·m 426.64926
  • Gram-force Centimeter gf·cm 42,664,926
  • Gram-force Meter gf·m 426,649.26
  • Kilogram-force Centimeter kgf·cm 42,664.926
  • Ounce-force Inch ozf·in 592,504.33
  • Horsepower-hour (metric) PS·h 0.0015801825
  • Electronvolt eV 2.6114474e+22
  • Kiloelectronvolt keV 2.6114474e+19
  • Megaelectronvolt MeV 2.6114474e+16
  • Gigaelectronvolt GeV 26,114,474,000,000
  • Hartree Eh 9.5968922e+20
  • Rydberg Ry 1.9193784e+21
  • Ton of TNT tTNT 0.000001
  • Kiloton of TNT ktTNT 1e-9
  • Megaton of TNT MtTNT 1e-12
  • Tonne of Oil Equivalent toe 9.9933123e-8
  • Barrel of Oil Equivalent bboe 6.8389891e-7
  • Gigaton of TNT GtTNT 1e-15
  • Fuel Oil Equivalent (kiloliter) FOE (kL) 1.0408574e-7
  • Fuel Oil Equivalent (US barrel) FOE (bbl) 6.5548212e-7

About the kilocalorie

The kilocalorie (kcal) is a Metric unit of energy. The 'Calorie' printed on nutrition labels — 1,000 thermochemical calories.

About the calorie (thermochemical)

The calorie (thermochemical) (cal) is a Metric unit of energy.

Where this conversion is used

Converting kilocalories to calories (thermochemical) comes up when nutrition labels, electricity bills, heating, and physics.

Related conversions

Frequently asked questions

How many calories (thermochemical) are in a kilocalorie?

One kilocalorie equals 1,000 calories (thermochemical).

How do you convert kilocalories to calories (thermochemical)?

Multiply the number of kilocalories by 1000 to get calories (thermochemical).

What is 1 calorie (thermochemical) in kilocalories?

One calorie (thermochemical) equals 0.001 kilocalories.

When would I convert kilocalories to calories (thermochemical)?

This conversion is common when nutrition labels, electricity bills, heating, and physics.

Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.