Calories are units of energy commonly used to measure the amount of energy provided by food and beverages. Specifically, a calorie (cal) is defined as the amount of energy needed to raise the temperature of one gram of water by one degree Celsius. In nutrition, the term "calorie" typically refers to kilocalories (kcal), where one kilocalorie is equal to 1000 calories. Calories play a crucial role in determining the energy content of foods and are used to inform dietary decisions and manage weight. They are also used in exercise physiology to quantify energy expenditure during physical activity.
Symbol/abbreviation: cal
Unit of: ENERGY
ENERGY's base unit: Joules (Non-SI/Derived Unit)
Go to Converter: Convert Now
In relation to the base unit (Joules), 1 Calories = 4.184 Joules.
Conversion table 1 Calories (cal) to all energy units | ||
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1 cal | = 5.23E-14 Atomic Bomb [nuclear Weapon] (at bomb) | ⇛ |
1 cal | = 9.5968937625695E+17 Atomic Unit Of Energy (au) | ⇛ |
1 cal | = 4.184E+18 Attojoules (aJ) | ⇛ |
1 cal | = 1.1622222222222E+15 Attowatt Hour (aWh) | ⇛ |
1 cal | = 6.8388362209873E-10 Barrel Of Oil Equivalent (BOE) | ⇛ |
1 cal | = 0.0039656662774298 British Thermal Unit (BTU) | ⇛ |
1 cal | = 0.0039483990298867 British Thermal Unit 39°F 3.9°C (BTU39°F) | ⇛ |
1 cal | = 0.0039666137026405 British Thermal Unit 59°F 15°C (BTU59°F) | ⇛ |
1 cal | = 0.003967080062199 British Thermal Unit 60°F 15.6°C (BTU60°F) | ⇛ |
1 cal | = 0.003967080062199 British Thermal Unit 63°F 17.2°C (BTU63°F) | ⇛ |
1 cal | = 0.0039656662774298 British Thermal Unit ISO (BTUiso) | ⇛ |
1 cal | = 0.0039656668313909 British Thermal Unit IT (BTUit) | ⇛ |
1 cal | = 0.003962609033309 British Thermal Unit Mean (BTUmean) | ⇛ |
1 cal | = 0.0039683207195118 British Thermal Unit Thermochemical (BTUth) | ⇛ |
1 cal | = 1 Calories (cal) | ⇛ |
1 cal | = 0.99964161987815 Calories 15°C (cal15°C) | ⇛ |
1 cal | = 1.0005021640881 Calories 20°C (cal20°C) | ⇛ |
1 cal | = 0.99512427161375 Calories 3.98°C (cal3.98°C) | ⇛ |
1 cal | = 0.99933123148944 Calories IT (calIT) | ⇛ |
1 cal | = 0.99856325268137 Calories Mean (calMean) | ⇛ |
1 cal | = 1 Calories Thermochemical (calTh) | ⇛ |
1 cal | = 0.0022031482396616 Celsius Heat Unit (CHU) | ⇛ |
1 cal | = 418.4 Centijoules (cJ) | ⇛ |
1 cal | = 0.11622222222222 Centiwatt Hour (cWh) | ⇛ |
1 cal | = 41.292869479398 Cubic Centimeter Of Atmosphere (cc atm) | ⇛ |
1 cal | = 0.0014582439236389 Cubic Foot Of Atmosphere (cu ft atm) | ⇛ |
1 cal | = 3.9656668313909E-6 Cubic Foot Of Natural Gas (cu ft ng) | ⇛ |
1 cal | = 5.4009034208847E-5 Cubic Yard Of Atmosphere (cu yd atm) | ⇛ |
1 cal | = 0.4184 Decajoules (daJ) | ⇛ |
1 cal | = 0.00011622222222222 Decawatt Hour (daWh) | ⇛ |
1 cal | = 41.84 Decijoules (dJ) | ⇛ |
1 cal | = 0.011622222222222 Deciwatt Hour (dWh) | ⇛ |
1 cal | = 2.6114419103971E+19 Electron Volt (eV) | ⇛ |
1 cal | = 41840000 Ergs (ergs) | ⇛ |
1 cal | = 26.114419103971 Exaelectron Volt (EeV) | ⇛ |
1 cal | = 4.184E-18 Exajoules (EJ) | ⇛ |
1 cal | = 1.1622222222222E-21 Exawatt Hour (EWh) | ⇛ |
1 cal | = 4.184E+15 Femtojoules (fJ) | ⇛ |
1 cal | = 1162222222222.2 Femtowatt Hour (fWh) | ⇛ |
1 cal | = 4.184E-44 Foe (foe) | ⇛ |
1 cal | = 3.0859553628063 Foot Pound (ftlb) | ⇛ |
1 cal | = 3.0859600325761 Foot Pound Force (ft lbf) | ⇛ |
1 cal | = 0.0099287827931318 Foot Poundal (ft pdl) | ⇛ |
1 cal | = 0.0090831614594955 Gallon Atmosphere UK (UK gal atm) | ⇛ |
1 cal | = 0.01090842207813 Gallon Atmosphere US (US gal atm) | ⇛ |
1 cal | = 3.4492992580379E-8 Gasoline Gallon Equivalent (gge) | ⇛ |
1 cal | = 26114419103.971 Gigaelectron Volt (GeV) | ⇛ |
1 cal | = 1.0E-12 Gigagrams Of TNT (GgTNT) | ⇛ |
1 cal | = 4.184E-9 Gigajoules (GJ) | ⇛ |
1 cal | = 1.0E-18 Gigatons Of TNT (GtTNT) | ⇛ |
1 cal | = 1.1622222222222E-12 Gigawatt Hour (GWh) | ⇛ |
1 cal | = 0.001 Grams Of TNT (gTNT) | ⇛ |
1 cal | = 9.5968937625695E+17 Hartree (Eh, Ha) | ⇛ |
1 cal | = 0.04184 Hectojoules (hJ) | ⇛ |
1 cal | = 1.1622222222222E-5 Hectowatt Hour (hWh) | ⇛ |
1 cal | = 6.9733333333333E-14 Hiroshima Bomb Explosion (hbe) | ⇛ |
1 cal | = 1.5585656730182E-6 Horsepower Hour (hph) | ⇛ |
1 cal | = 37.031520390913 Inch Pound Force (in lbf) | ⇛ |
1 cal | = 4.184 Joules (J) | ⇛ |
1 cal | = 0.001 Kilocalories (kcal) | ⇛ |
1 cal | = 2.6114419103971E+16 Kiloelectron Volt (keV) | ⇛ |
1 cal | = 1.0E-6 Kilograms Of TNT (kgTNT) | ⇛ |
1 cal | = 0.004184 Kilojoules (kJ) | ⇛ |
1 cal | = 1.0E-12 Kilotons Of TNT (ktTNT) | ⇛ |
1 cal | = 1.1622222222222E-6 Kilowatt Hour (kWh) | ⇛ |
1 cal | = 0.001 Large Calories (Cal) | ⇛ |
1 cal | = 0.041292869479398 Liter Atmosphere (l atm) | ⇛ |
1 cal | = 26114419103971 Megaelectron Volt (MeV) | ⇛ |
1 cal | = 1.0E-9 Megagrams Of TNT (MgTNT) | ⇛ |
1 cal | = 4.184E-6 Megajoules (MJ) | ⇛ |
1 cal | = 1.0E-15 Megatons Of TNT (MtTNT) | ⇛ |
1 cal | = 1.1622222222222E-9 Megawatt Hour (MWh) | ⇛ |
1 cal | = 4184000 Microjoules (µJ) | ⇛ |
1 cal | = 0.001 Microtons Of TNT (μtTNT) | ⇛ |
1 cal | = 1162.2222222222 Microwatt Hour (μWh) | ⇛ |
1 cal | = 2.6114419103971E+22 Millielectron Volt (meV) | ⇛ |
1 cal | = 4184 Millijoules (mJ) | ⇛ |
1 cal | = 1.0E-6 Millitons Of TNT (mtTNT) | ⇛ |
1 cal | = 1.1622222222222 Milliwatt Hour (mWh) | ⇛ |
1 cal | = 4184000000 Nanojoules (nJ) | ⇛ |
1 cal | = 1162222.2222222 Nanowatt Hour (nWh) | ⇛ |
1 cal | = 4.184 Newton Meter (Nm) | ⇛ |
1 cal | = 26114.419103971 Petaelectron Volt (PeV) | ⇛ |
1 cal | = 1.0E-18 Petagrams Of TNT (PgTNT) | ⇛ |
1 cal | = 4.184E-15 Petajoules (PJ) | ⇛ |
1 cal | = 1.1622222222222E-18 Petawatt Hour (PWh) | ⇛ |
1 cal | = 4184000000000 Picojoules (pJ) | ⇛ |
1 cal | = 1162222222.2222 Picowatt Hour (pWh) | ⇛ |
1 cal | = 3.9656668313909E-18 Quads (quad) | ⇛ |
1 cal | = 1.9193787525139E+18 Rydberg (Ry) | ⇛ |
1 cal | = 41.292869479398 Standard Cubic Centimeter (scc) | ⇛ |
1 cal | = 0.0014582439236389 Standard Cubic Foot (scf) | ⇛ |
1 cal | = 5.4009034208847E-5 Standard Cubic Yard (scy) | ⇛ |
1 cal | = 26114419.103971 Teraelectron Volt (TeV) | ⇛ |
1 cal | = 1.0E-15 Teragrams Of TNT (TgTNT) | ⇛ |
1 cal | = 4.184E-12 Terajoules (TJ) | ⇛ |
1 cal | = 1.0E-21 Teratons Of TNT (TtTNT) | ⇛ |
1 cal | = 1.1622222222222E-15 Terawatt Hour (TWh) | ⇛ |
1 cal | = 3.9666137026405E-8 Therm US (thm) | ⇛ |
1 cal | = 9.9933123148944E-7 Thermie (th) | ⇛ |
1 cal | = 1.4285714285714E-10 Ton Of Coal Equivalent (TCE) | ⇛ |
1 cal | = 9.9933123148944E-11 Tonne Of Oil Equivalent (toe) | ⇛ |
1 cal | = 1.0E-9 Tons Of TNT (tTNT) | ⇛ |
1 cal | = 0.0011622222222222 Watt Hour (Wh) | ⇛ |
1 cal | = 4.184E+24 Yoctojoules (yJ) | ⇛ |
1 cal | = 1.1622222222222E+21 Yoctowatt Hour (yWh) | ⇛ |
1 cal | = 4.184E-24 Yottajoules (YJ) | ⇛ |
1 cal | = 1.1622222222222E-27 Yottawatt Hour (YWh) | ⇛ |
1 cal | = 4.184E+21 Zeptojoules (zJ) | ⇛ |
1 cal | = 1.1622222222222E+18 Zeptowatt Hour (zWh) | ⇛ |
1 cal | = 4.184E-21 Zettajoules (ZJ) | ⇛ |
1 cal | = 1.1622222222222E-24 Zettawatt Hour (ZWh) | ⇛ |