Attojoule to Thermochemical Kilocalorie Converter
1 Attojoule = 2.3900573613767e-22 Kilocalorie [Thermochemical]
How many Kilocalorie [Thermochemical] are in 1 Attojoule?
One Attojoule equals 2.3900573613767e-22 Kilocalorie [Thermochemical]. You can also write this as 1 Attojoule = 2.3900573613767e-22 Kilocalorie [Thermochemical]. Use the calculator to convert Attojoule to Kilocalorie [Thermochemical] instantly.
Use this Attojoule to Kilocalorie [Thermochemical] converter to change a value from Attojoule into Kilocalorie [Thermochemical]. Enter the measurement, review the result, and use the conversion when comparing values or checking a formula.
This conversion is useful when a measurement is recorded in Attojoule but a report, specification, or calculation requires Kilocalorie [Thermochemical]. The page includes the unit definitions, a worked example, and a conversion table for related units.
Use the result as a reference and check the displayed precision before copying it into technical or scientific work. The last digits may be rounded for readability.
Attojoule and Kilocalorie [Thermochemical] describe the same energy measurement in different units. Converting between them makes values easier to compare when different unit systems are used.
How to convert Attojoule to Kilocalorie [Thermochemical] (aJ to kcal)
To convert Attojoule to Kilocalorie [Thermochemical], multiply by 2.3900573613767e-22. The formula is Attojoule × 2.3900573613767e-22 = Kilocalorie [Thermochemical]. See the example below.
1 Attojoule = 1 × 2.3900573613767e-22 = 2.3900573613767e-22 Kilocalorie [Thermochemical]
Attojoule is a unit of measurement for energy. Attojoule is a decimal fraction of energy unit joule. One attojoule is equal to 1e-18 joules. The symbol for Attojoule is aJ.
Thermochemical kilocalorie is a unit of measurement for energy. Thermochemical kilocalorie is a multiple of energy unit calorie [thermochemical]. One thermochemical kilocalorie is equal to 1000 calories [thermochemical]. The symbol for Kilocalorie [Thermochemical] is kcal.
How to Use Attojoule to Kilocalorie [Thermochemical] Converter
- Select Attojoule from the first dropdown and enter the value you want to convert.
- Choose Kilocalorie [Thermochemical] in the second dropdown to set the target unit.
- Review the converted value in the output field.
- Check the displayed precision before using the result in another calculation.
For another result, change the input value or either selected unit. The conversion uses the unit definitions in the calculator and formats the result for display.
Example of Attojoule to Kilocalorie [Thermochemical] Conversion
Frequently asked questions about Attojoule to Kilocalorie [Thermochemical] conversion
What does the Attojoule to Kilocalorie [Thermochemical] conversion show?
It shows the equivalent value of one unit in another unit, making it easier to compare measurements and check calculations across different scales.When should I use a Attojoule to Kilocalorie [Thermochemical] converter?
Use it when you need to compare values, convert technical data, or switch between units used in different settings or systems.Is this Attojoule to Kilocalorie [Thermochemical] calculator accurate?
It applies the conversion relationship used by the calculator and formats the result for display. Verify the shown precision when the value is used in technical or scientific work.Attojoule to Kilocalorie [Thermochemical] Conversion Table
| Attojoule [aJ] | Kilocalorie [Thermochemical] [kcal] | Description |
|---|---|---|
| 1 Attojoule | 2.3900573613767e-22 Kilocalorie [Thermochemical] | 1 Attojoule = 2.3900573613767e-22 Kilocalorie [Thermochemical] |
| 2 Attojoule | 4.7801147227533e-22 Kilocalorie [Thermochemical] | 2 Attojoule = 4.7801147227533e-22 Kilocalorie [Thermochemical] |
| 3 Attojoule | 7.17017208413e-22 Kilocalorie [Thermochemical] | 3 Attojoule = 7.17017208413e-22 Kilocalorie [Thermochemical] |
| 4 Attojoule | 9.5602294455067e-22 Kilocalorie [Thermochemical] | 4 Attojoule = 9.5602294455067e-22 Kilocalorie [Thermochemical] |
| 5 Attojoule | 1.1950286806883e-21 Kilocalorie [Thermochemical] | 5 Attojoule = 1.1950286806883e-21 Kilocalorie [Thermochemical] |
| 6 Attojoule | 1.434034416826e-21 Kilocalorie [Thermochemical] | 6 Attojoule = 1.434034416826e-21 Kilocalorie [Thermochemical] |
| 7 Attojoule | 1.6730401529637e-21 Kilocalorie [Thermochemical] | 7 Attojoule = 1.6730401529637e-21 Kilocalorie [Thermochemical] |
| 8 Attojoule | 1.9120458891013e-21 Kilocalorie [Thermochemical] | 8 Attojoule = 1.9120458891013e-21 Kilocalorie [Thermochemical] |
| 9 Attojoule | 2.151051625239e-21 Kilocalorie [Thermochemical] | 9 Attojoule = 2.151051625239e-21 Kilocalorie [Thermochemical] |
| 10 Attojoule | 2.3900573613767e-21 Kilocalorie [Thermochemical] | 10 Attojoule = 2.3900573613767e-21 Kilocalorie [Thermochemical] |
| 100 Attojoule | 2.3900573613767e-20 Kilocalorie [Thermochemical] | 100 Attojoule = 2.3900573613767e-20 Kilocalorie [Thermochemical] |
| 1000 Attojoule | 2.3900573613767e-19 Kilocalorie [Thermochemical] | 1000 Attojoule = 2.3900573613767e-19 Kilocalorie [Thermochemical] |
Attojoule to Other Units Conversion Table
| Conversion | Description |
|---|---|
| 1 Attojoule = 9.4781712031332e-22 BTU | 1 Attojoule in BTU is equal to 9.4781712031332e-22 |
| 1 Attojoule = 2.3900573613767e-19 Calorie [Thermochemical] | 1 Attojoule in Calorie [Thermochemical] is equal to 2.3900573613767e-19 |
| 1 Attojoule = 1e-11 ERG | 1 Attojoule in ERG is equal to 1e-11 |
| 1 Attojoule = 6.24 Electrovolt | 1 Attojoule in Electrovolt is equal to 6.24 |
| 1 Attojoule = 7.3756215242247e-19 Foot Pound | 1 Attojoule in Foot Pound is equal to 7.3756215242247e-19 |
| 1 Attojoule = 2.9239766081871e-26 Gasoline [Liter] | 1 Attojoule in Gasoline [Liter] is equal to 2.9239766081871e-26 |
| 1 Attojoule = 1e-27 Gigajoule | 1 Attojoule in Gigajoule is equal to 1e-27 |
| 1 Attojoule = 3.7250607184897e-25 Horsepower Hour | 1 Attojoule in Horsepower Hour is equal to 3.7250607184897e-25 |
| 1 Attojoule = 8.8507458290696e-18 Inch Pound | 1 Attojoule in Inch Pound is equal to 8.8507458290696e-18 |
| 1 Attojoule = 1e-18 Joule | 1 Attojoule in Joule is equal to 1e-18 |
| 1 Attojoule = 1e-21 Kilojoule | 1 Attojoule in Kilojoule is equal to 1e-21 |
| 1 Attojoule = 2.3900573613767e-22 Kilocalorie [Thermochemical] | 1 Attojoule in Kilocalorie [Thermochemical] is equal to 2.3900573613767e-22 |
| 1 Attojoule = 2.7777777777778e-25 Kilowatt Hour | 1 Attojoule in Kilowatt Hour is equal to 2.7777777777778e-25 |
| 1 Attojoule = 1e-24 Megajoule | 1 Attojoule in Megajoule is equal to 1e-24 |
| 1 Attojoule = 1e-33 Petajoule | 1 Attojoule in Petajoule is equal to 1e-33 |
| 1 Attojoule = 1e-30 Terajoule | 1 Attojoule in Terajoule is equal to 1e-30 |
| 1 Attojoule = 9.4804342797335e-27 Therm [US] | 1 Attojoule in Therm [US] is equal to 9.4804342797335e-27 |
| 1 Attojoule = 1e-18 Watt Second | 1 Attojoule in Watt Second is equal to 1e-18 |
| 1 Attojoule = 2.7777777777778e-22 Watt Hour | 1 Attojoule in Watt Hour is equal to 2.7777777777778e-22 |
| 1 Attojoule = 2.7777777777778e-25 Board of Trade | 1 Attojoule in Board of Trade is equal to 2.7777777777778e-25 |
| 1 Attojoule = 9.4845138280892e-22 BTU [Thermochemical] | 1 Attojoule in BTU [Thermochemical] is equal to 9.4845138280892e-22 |
| 1 Attojoule = 2.3890295761862e-19 Calorie [15 °C] | 1 Attojoule in Calorie [15 °C] is equal to 2.3890295761862e-19 |
| 1 Attojoule = 2.388458966275e-22 Calorie [Nutritional] | 1 Attojoule in Calorie [Nutritional] is equal to 2.388458966275e-22 |
| 1 Attojoule = 5.2656507646646e-22 Celsius Heat | 1 Attojoule in Celsius Heat is equal to 5.2656507646646e-22 |
| 1 Attojoule = 1e-16 Centijoule | 1 Attojoule in Centijoule is equal to 1e-16 |
| 1 Attojoule = 3.7767267147331e-25 Cheval Vapeur Heure | 1 Attojoule in Cheval Vapeur Heure is equal to 3.7767267147331e-25 |
| 1 Attojoule = 1e-17 Decijoule | 1 Attojoule in Decijoule is equal to 1e-17 |
| 1 Attojoule = 1e-19 Dekajoule | 1 Attojoule in Dekajoule is equal to 1e-19 |
| 1 Attojoule = 9.4804342797335e-28 Dekatherm | 1 Attojoule in Dekatherm is equal to 9.4804342797335e-28 |
| 1 Attojoule = 2.7777777777778e-23 Dekawatt hour | 1 Attojoule in Dekawatt hour is equal to 2.7777777777778e-23 |
| 1 Attojoule = 1e-36 Exajoule | 1 Attojoule in Exajoule is equal to 1e-36 |
| 1 Attojoule = 2.7777777777778e-40 Exawatt Hour | 1 Attojoule in Exawatt Hour is equal to 2.7777777777778e-40 |
| 1 Attojoule = 0.001 Femtojoule | 1 Attojoule in Femtojoule is equal to 0.001 |
| 1 Attojoule = 2.3730366088358e-17 Foot Poundal | 1 Attojoule in Foot Poundal is equal to 2.3730366088358e-17 |
| 1 Attojoule = 7.5895567698846e-27 Automotive Gasoline [US] | 1 Attojoule in Automotive Gasoline [US] is equal to 7.5895567698846e-27 |
| 1 Attojoule = 7.5895567698846e-27 Aviation Gasoline [US] | 1 Attojoule in Aviation Gasoline [US] is equal to 7.5895567698846e-27 |
| 1 Attojoule = 6.8250068250068e-27 Diesel Oil [US] | 1 Attojoule in Diesel Oil [US] is equal to 6.8250068250068e-27 |
| 1 Attojoule = 6.8250068250068e-27 Distillate #2 Fuel Oil [US] | 1 Attojoule in Distillate #2 Fuel Oil [US] is equal to 6.8250068250068e-27 |
| 1 Attojoule = 7.0323488045007e-27 Kerosene [US] | 1 Attojoule in Kerosene [US] is equal to 7.0323488045007e-27 |
| 1 Attojoule = 7.0323488045007e-27 Kerosene Type Jet Fuel [US] | 1 Attojoule in Kerosene Type Jet Fuel [US] is equal to 7.0323488045007e-27 |
| 1 Attojoule = 9.9247861544414e-27 LPG [US] | 1 Attojoule in LPG [US] is equal to 9.9247861544414e-27 |
| 1 Attojoule = 7.4671445639188e-27 Naphtha Type Jet Fuel [US] | 1 Attojoule in Naphtha Type Jet Fuel [US] is equal to 7.4671445639188e-27 |
| 1 Attojoule = 6.3275120222728e-27 Residual Fuel Oil [US] | 1 Attojoule in Residual Fuel Oil [US] is equal to 6.3275120222728e-27 |
| 1 Attojoule = 6.3196276030515e-27 Automotive Gasoline [UK] | 1 Attojoule in Automotive Gasoline [UK] is equal to 6.3196276030515e-27 |
| 1 Attojoule = 6.3196276030515e-27 Aviation Gasoline [UK] | 1 Attojoule in Aviation Gasoline [UK] is equal to 6.3196276030515e-27 |
| 1 Attojoule = 5.6830066405819e-27 Diesel Oil [UK] | 1 Attojoule in Diesel Oil [UK] is equal to 5.6830066405819e-27 |
| 1 Attojoule = 5.6830066405819e-27 Distillate #2 Fuel Oil [UK] | 1 Attojoule in Distillate #2 Fuel Oil [UK] is equal to 5.6830066405819e-27 |
| 1 Attojoule = 5.8556549435869e-27 Kerosene [UK] | 1 Attojoule in Kerosene [UK] is equal to 5.8556549435869e-27 |
| 1 Attojoule = 5.8556549435869e-27 Kerosene Type Jet Fuel [UK] | 1 Attojoule in Kerosene Type Jet Fuel [UK] is equal to 5.8556549435869e-27 |
| 1 Attojoule = 8.2641127061421e-27 LPG [UK] | 1 Attojoule in LPG [UK] is equal to 8.2641127061421e-27 |
| 1 Attojoule = 6.2176981255829e-27 Naphtha Type Jet Fuel [UK] | 1 Attojoule in Naphtha Type Jet Fuel [UK] is equal to 6.2176981255829e-27 |
| 1 Attojoule = 5.2687555870543e-27 Residual Fuel Oil [UK] | 1 Attojoule in Residual Fuel Oil [UK] is equal to 5.2687555870543e-27 |
| 1 Attojoule = 6.2415093432602e-9 Gigaelectronvolt | 1 Attojoule in Gigaelectronvolt is equal to 6.2415093432602e-9 |
| 1 Attojoule = 2.7777777777778e-31 Gigawatt Hour | 1 Attojoule in Gigawatt Hour is equal to 2.7777777777778e-31 |
| 1 Attojoule = 2.388458966275e-19 Gram Calorie | 1 Attojoule in Gram Calorie is equal to 2.388458966275e-19 |
| 1 Attojoule = 0.22937115044144 Hartree | 1 Attojoule in Hartree is equal to 0.22937115044144 |
| 1 Attojoule = 1e-20 Hectojoule | 1 Attojoule in Hectojoule is equal to 1e-20 |
| 1 Attojoule = 2.7777777777778e-24 Hectowatt Hour | 1 Attojoule in Hectowatt Hour is equal to 2.7777777777778e-24 |
| 1 Attojoule = 9.1979396615158e-27 Hundred Cubic Feet of Natural Gas | 1 Attojoule in Hundred Cubic Feet of Natural Gas is equal to 9.1979396615158e-27 |
| 1 Attojoule = 1.4161193326511e-16 Inch Ounce | 1 Attojoule in Inch Ounce is equal to 1.4161193326511e-16 |
| 1 Attojoule = 2.3890295761862e-22 Kilocalorie [15 °C] | 1 Attojoule in Kilocalorie [15 °C] is equal to 2.3890295761862e-22 |
| 1 Attojoule = 0.0062415093432602 Kiloelectronvolt | 1 Attojoule in Kiloelectronvolt is equal to 0.0062415093432602 |
| 1 Attojoule = 2.388458966275e-22 Kilogram Calorie | 1 Attojoule in Kilogram Calorie is equal to 2.388458966275e-22 |
| 1 Attojoule = 1.0197162129779e-19 Kilogram Force Meter | 1 Attojoule in Kilogram Force Meter is equal to 1.0197162129779e-19 |
| 1 Attojoule = 1.0197162129779e-19 Kilopond Meter | 1 Attojoule in Kilopond Meter is equal to 1.0197162129779e-19 |
| 1 Attojoule = 2.3900573613767e-31 Kiloton [TNT] | 1 Attojoule in Kiloton [TNT] is equal to 2.3900573613767e-31 |
| 1 Attojoule = 9.8692326671601e-21 Liter Atmosphere | 1 Attojoule in Liter Atmosphere is equal to 9.8692326671601e-21 |
| 1 Attojoule = 0.0000062415093432602 Megaelectronvolt | 1 Attojoule in Megaelectronvolt is equal to 0.0000062415093432602 |
| 1 Attojoule = 1e-17 Megalerg | 1 Attojoule in Megalerg is equal to 1e-17 |
| 1 Attojoule = 2.3900573613767e-34 Megaton [TNT] | 1 Attojoule in Megaton [TNT] is equal to 2.3900573613767e-34 |
| 1 Attojoule = 2.7777777777778e-28 Megawatt Hour | 1 Attojoule in Megawatt Hour is equal to 2.7777777777778e-28 |
| 1 Attojoule = 1e-12 Microjoule | 1 Attojoule in Microjoule is equal to 1e-12 |
| 1 Attojoule = 1e-15 Millijoule | 1 Attojoule in Millijoule is equal to 1e-15 |
| 1 Attojoule = 2.7777777777778e-26 Myriawatt Hour | 1 Attojoule in Myriawatt Hour is equal to 2.7777777777778e-26 |
| 1 Attojoule = 1e-9 Nanojoule | 1 Attojoule in Nanojoule is equal to 1e-9 |
| 1 Attojoule = 1e-18 Newton Meter | 1 Attojoule in Newton Meter is equal to 1e-18 |
| 1 Attojoule = 2.7777777777778e-37 Petawatt Hour | 1 Attojoule in Petawatt Hour is equal to 2.7777777777778e-37 |
| 1 Attojoule = 0.000001 Picojoule | 1 Attojoule in Picojoule is equal to 0.000001 |
| 1 Attojoule = 9.4781707774915e-40 Q Unit | 1 Attojoule in Q Unit is equal to 9.4781707774915e-40 |
| 1 Attojoule = 9.4781707774915e-37 Quad | 1 Attojoule in Quad is equal to 9.4781707774915e-37 |
| 1 Attojoule = 6.2415093432602e-12 Teraelectronvolt | 1 Attojoule in Teraelectronvolt is equal to 6.2415093432602e-12 |
| 1 Attojoule = 2.7777777777778e-34 Terawatt Hour | 1 Attojoule in Terawatt Hour is equal to 2.7777777777778e-34 |
| 1 Attojoule = 9.4781707774915e-27 Therm [Europe] | 1 Attojoule in Therm [Europe] is equal to 9.4781707774915e-27 |
| 1 Attojoule = 2.3890295761862e-25 Thermie | 1 Attojoule in Thermie is equal to 2.3890295761862e-25 |
| 1 Attojoule = 2.3900573613767e-28 Ton [TNT] | 1 Attojoule in Ton [TNT] is equal to 2.3900573613767e-28 |
| 1 Attojoule = 3.4120842375357e-29 Tonne of Coal | 1 Attojoule in Tonne of Coal is equal to 3.4120842375357e-29 |
| 1 Attojoule = 2.388458966275e-29 Tonne of Oil | 1 Attojoule in Tonne of Oil is equal to 2.388458966275e-29 |
| 1 Attojoule = 1000000 Yoctojoule | 1 Attojoule in Yoctojoule is equal to 1000000 |
| 1 Attojoule = 1e-42 Yottajoule | 1 Attojoule in Yottajoule is equal to 1e-42 |
| 1 Attojoule = 2.7777777777778e-46 Yottawatt Hour | 1 Attojoule in Yottawatt Hour is equal to 2.7777777777778e-46 |
| 1 Attojoule = 1000 Zeptojoule | 1 Attojoule in Zeptojoule is equal to 1000 |
| 1 Attojoule = 1e-39 Zettajoule | 1 Attojoule in Zettajoule is equal to 1e-39 |
| 1 Attojoule = 2.7777777777778e-43 Zettwatt Hour | 1 Attojoule in Zettwatt Hour is equal to 2.7777777777778e-43 |
| 1 Attojoule = 1e-11 Dyne Centimeter | 1 Attojoule in Dyne Centimeter is equal to 1e-11 |
| 1 Attojoule = 1e-21 Kilowatt Second | 1 Attojoule in Kilowatt Second is equal to 1e-21 |
| 1 Attojoule = 3.7767267147331e-25 Horsepower Hour [Metric] | 1 Attojoule in Horsepower Hour [Metric] is equal to 3.7767267147331e-25 |
| 1 Attojoule = 2.388458966275e-19 Calorie | 1 Attojoule in Calorie is equal to 2.388458966275e-19 |
| 1 Attojoule = 2.388458966275e-22 Kilocalorie | 1 Attojoule in Kilocalorie is equal to 2.388458966275e-22 |
| 1 Attojoule = 2.388458966275e-25 Kilocalorie [Nutritional] | 1 Attojoule in Kilocalorie [Nutritional] is equal to 2.388458966275e-25 |
| 1 Attojoule = 2.388458966275e-28 MMKcal | 1 Attojoule in MMKcal is equal to 2.388458966275e-28 |
| 1 Attojoule = 9.4781712031332e-25 MBTU | 1 Attojoule in MBTU is equal to 9.4781712031332e-25 |
| 1 Attojoule = 9.4781712031332e-25 MBH | 1 Attojoule in MBH is equal to 9.4781712031332e-25 |
| 1 Attojoule = 9.4781712031332e-28 Mega BTU | 1 Attojoule in Mega BTU is equal to 9.4781712031332e-28 |
| 1 Attojoule = 9.4781712031332e-28 MMBTU | 1 Attojoule in MMBTU is equal to 9.4781712031332e-28 |
| 1 Attojoule = 7.898476002611e-26 Refrigeration Ton Hour | 1 Attojoule in Refrigeration Ton Hour is equal to 7.898476002611e-26 |
| 1 Attojoule = 2.4877089772003e-29 Fuel Oil Equivalent of 1 Kiloliter | 1 Attojoule in Fuel Oil Equivalent of 1 Kiloliter is equal to 2.4877089772003e-29 |
| 1 Attojoule = 1.5666398682865e-28 Fuel Oil Equivalent of 1 Barrel | 1 Attojoule in Fuel Oil Equivalent of 1 Barrel is equal to 1.5666398682865e-28 |
| 1 Attojoule = 2.3900573613767e-37 Gigaton [TNT] | 1 Attojoule in Gigaton [TNT] is equal to 2.3900573613767e-37 |
| 1 Attojoule = 1.0197162129779e-16 Gram Force Meter | 1 Attojoule in Gram Force Meter is equal to 1.0197162129779e-16 |
| 1 Attojoule = 1.0197162129779e-14 Gram Force Centimeter | 1 Attojoule in Gram Force Centimeter is equal to 1.0197162129779e-14 |
| 1 Attojoule = 1.0197162129779e-17 Kg Force Centimeter | 1 Attojoule in Kg Force Centimeter is equal to 1.0197162129779e-17 |
| 1 Attojoule = 1.4161193326511e-16 Ounce Force Inch | 1 Attojoule in Ounce Force Inch is equal to 1.4161193326511e-16 |
| 1 Attojoule = 7.3756215242247e-19 Pound Force Foot | 1 Attojoule in Pound Force Foot is equal to 7.3756215242247e-19 |
| 1 Attojoule = 8.8507458290696e-18 Pound Force Inch | 1 Attojoule in Pound Force Inch is equal to 8.8507458290696e-18 |
Disclaimer | TOS | About | Privacy Policy
Copyright@2026