Convert Gigajoule to Calorie Online

About Gigajoule to Calorie Conversion

This converter converts Gigajoule (GJ) to Calorie (cal). One Gigajoule (GJ) equals 239005736.1376673 Calorie (cal).

Formula:

1 Gigajoule (GJ) = 239005736.1376673 Calorie (cal)

Example:

1 GJ = 239005736.1376673 cal
2 GJ = 478011472.2753346 cal

Gigajoule (GJ) to Calorie (cal) Conversion

A clear guide to converting Gigajoule into Calorie. Includes numeric examples, formulas, and a breakdown of where this conversion appears in science, engineering, and daily applications.

Conversion Formula

Calorie = Gigajoule × 2.390057e+8

To convert Gigajoule (GJ) to Calorie (cal), multiply the value by 2.390057e+8. This factor is obtained by comparing their exact meter definitions.

Worked Example

Convert 1 GJ to cal.

  • Step 1: Write the formula: cal = GJ × 2.390057e+8
  • Step 2: Substitute: 1 × 2.390057e+8
  • Step 3: Result: 2.390057e+8 cal
So, 1 GJ = 2.390057e+8 cal.

About the Units

Gigajoule (GJ)

One Gigajoule (GJ) equals 2.390057e+8 Calorie (cal)

Used for extremely large distances such as astronomical or planetary scales.

Calorie (cal)

One Calorie (cal) equals 4.184000e-9 Gigajoule (GJ)

A widely used unit across scientific, engineering, and measurement contexts.

Where This Conversion Is Used

  • Converting values from Gigajoule to Calorie for engineering or scientific workflows.
  • Used when normalizing mixed-unit datasets requiring consistent Calorie representation.
  • Applied when comparing different measurement systems across tools and documents.
  • Essential in astronomy, orbital mechanics, and large-scale simulations.

Frequently Asked Questions

How many Calorie (cal) are in 1 Gigajoule (GJ)?

1 GJ = 2.390057e+8 cal.

What is the formula for converting Gigajoule (GJ) to Calorie (cal)?

Multiply the GJ value by 2.390057e+8.

Can I reverse the conversion?

Yes. 1 cal = 4.184000e-9 GJ.

Conclusion

By applying the conversion factor shown above, you can reliably convert Gigajoule (GJ) to Calorie (cal) for use in scientific analysis, engineering calculations, academic work, or daily measurements.

Quick Links for Unit Converters

Convert Gigajoule to Other Units

Gigajoule to Joule

1 GJ = 1000000000 J

1 Gigajoule (GJ) = 1000000000 Joules (J)

1 GJ equals 1000000000 Js.

Gigajoule to Kilojoule

1 GJ = 1000000 kJ

1 Gigajoule (GJ) = 1000000 Kilojoules (kJ)

1 GJ equals 1000000 kJs.

Gigajoule to Megajoule

1 GJ = 1000 MJ

1 Gigajoule (GJ) = 1000 Megajoules (MJ)

1 GJ equals 1000 MJs.

Gigajoule to Watt-hour

1 GJ = 277777.77777777775 Wh

1 Gigajoule (GJ) = 277777.77777777775 Watt-hours (Wh)

1 GJ equals 277777.77777777775 Whs.

Gigajoule to Kilowatt-hour

1 GJ = 277.77777777777777 kWh

1 Gigajoule (GJ) = 277.77777777777777 Kilowatt-hours (kWh)

1 GJ equals 277.77777777777777 kWhs.

Gigajoule to Megawatt-hour

1 GJ = 0.2777777777777778 MWh

1 Gigajoule (GJ) = 0.2777777777777778 Megawatt-hour (MWh)

1 GJ equals 0.2777777777777778 MWh.

Gigajoule to Erg

1 GJ = 10000000000000000 erg

1 Gigajoule (GJ) = 10000000000000000 Ergs

1 GJ equals 10000000000000000 ergs.

Gigajoule to Calorie

1 GJ = 239005736.1376673 cal

1 Gigajoule (GJ) = 239005736.1376673 Calories (cal)

1 GJ equals 239005736.1376673 cals.

Gigajoule to Kilocalorie

1 GJ = 239005.7361376673 kcal

1 Gigajoule (GJ) = 239005.7361376673 Kilocalories (kcal)

1 GJ equals 239005.7361376673 kcals.

Gigajoule to British Thermal Unit

1 GJ = 947813.3944988911 BTU

1 Gigajoule (GJ) = 947813.3944988911 British Thermal Units (BTU)

1 GJ equals 947813.3944988911 BTUs.

Gigajoule to Foot-pound force

1 GJ = 737562149.4575465 ft_lbf

1 Gigajoule (GJ) = 737562149.4575465 Foot-pound forces (ft⋅lbf)

1 GJ equals 737562149.4575465 ft_lbves.

Gigajoule to Horsepower-hour

1 GJ = 372.506488131757 hp_h

1 Gigajoule (GJ) = 372.506488131757 Horsepower-hours (hp⋅h)

1 GJ equals 372.506488131757 hp_hs.

Gigajoule to Therm

1 GJ = 9.47813394498891 therm_us

1 Gigajoule (GJ) = 9.47813394498891 Therms (US)

1 GJ equals 9.47813394498891 therm_uses.

Gigajoule to Electronvolt

1 GJ = 6.241509074460763e+27 eV

1 Gigajoule (GJ) = 6.241509074460763e+27 Electronvolts (eV)

1 GJ equals 6.241509074460763e+27 eVs.

Gigajoule to Kiloelectronvolt

1 GJ = 6.241509074460763e+24 keV

1 Gigajoule (GJ) = 6.241509074460763e+24 Kiloelectronvolts (keV)

1 GJ equals 6.241509074460763e+24 keVs.

Gigajoule to Megaelectronvolt

1 GJ = 6.241509074460763e+21 MeV

1 Gigajoule (GJ) = 6.241509074460763e+21 Megaelectronvolts (MeV)

1 GJ equals 6.241509074460763e+21 MeVs.

Gigajoule to Gigaelectronvolt

1 GJ = 6241509074460762000 GeV

1 Gigajoule (GJ) = 6241509074460762000 Gigaelectronvolts (GeV)

1 GJ equals 6241509074460762000 GeVs.

Gigajoule to Tonne of Oil Equivalent

1 GJ = 0.023884589662749593 toe

1 Gigajoule (GJ) = 0.023884589662749593 Tonne of Oil Equivalent (toe)

1 GJ equals 0.023884589662749593 toe.

Gigajoule to Tonne of Coal Equivalent

1 GJ = 0.034120842375356564 tce

1 Gigajoule (GJ) = 0.034120842375356564 Tonne of Coal Equivalent (tce)

1 GJ equals 0.034120842375356564 tce.

Gigajoule to Hartree

1 GJ = 2.293712278396325e+26 hartree

1 Gigajoule (GJ) = 2.293712278396325e+26 Hartrees

1 GJ equals 2.293712278396325e+26 hartrees.

Convert Calorie to Other Units

Calorie to Joule

1 cal = 4.184 J

1 Calorie (cal) = 4.184 Joules (J)

1 cal equals 4.184 Js.

Calorie to Kilojoule

1 cal = 0.004184 kJ

1 Calorie (cal) = 0.004184 Kilojoule (kJ)

1 cal equals 0.004184 kJ.

Calorie to Megajoule

1 cal = 0.000004184 MJ

1 Calorie (cal) = 0.000004184 Megajoule (MJ)

1 cal equals 0.000004184 MJ.

Calorie to Gigajoule

1 cal = 4.1840000000000004e-9 GJ

1 Calorie (cal) = 4.1840000000000004e-9 Gigajoule (GJ)

1 cal equals 4.1840000000000004e-9 GJ.

Calorie to Watt-hour

1 cal = 0.0011622222222222223 Wh

1 Calorie (cal) = 0.0011622222222222223 Watt-hour (Wh)

1 cal equals 0.0011622222222222223 Wh.

Calorie to Kilowatt-hour

1 cal = 0.0000011622222222222223 kWh

1 Calorie (cal) = 0.0000011622222222222223 Kilowatt-hour (kWh)

1 cal equals 0.0000011622222222222223 kWh.

Calorie to Megawatt-hour

1 cal = 1.1622222222222223e-9 MWh

1 Calorie (cal) = 1.1622222222222223e-9 Megawatt-hour (MWh)

1 cal equals 1.1622222222222223e-9 MWh.

Calorie to Erg

1 cal = 41840000 erg

1 Calorie (cal) = 41840000 Ergs

1 cal equals 41840000 ergs.

Calorie to Kilocalorie

1 cal = 0.001 kcal

1 Calorie (cal) = 0.001 Kilocalorie (kcal)

1 cal equals 0.001 kcal.

Calorie to British Thermal Unit

1 cal = 0.00396565124258336 BTU

1 Calorie (cal) = 0.00396565124258336 British Thermal Unit (BTU)

1 cal equals 0.00396565124258336 BTU.

Calorie to Foot-pound force

1 cal = 3.0859600333303745 ft_lbf

1 Calorie (cal) = 3.0859600333303745 Foot-pound forces (ft⋅lbf)

1 cal equals 3.0859600333303745 ft_lbves.

Calorie to Horsepower-hour

1 cal = 0.0000015585671463432716 hp_h

1 Calorie (cal) = 0.0000015585671463432716 Horsepower-hour (hp⋅h)

1 cal equals 0.0000015585671463432716 hp_h.

Calorie to Therm

1 cal = 3.9656512425833604e-8 therm_us

1 Calorie (cal) = 3.9656512425833604e-8 Therm (US)

1 cal equals 3.9656512425833604e-8 therm_us.

Calorie to Electronvolt

1 cal = 26114473967543833000 eV

1 Calorie (cal) = 26114473967543833000 Electronvolts (eV)

1 cal equals 26114473967543833000 eVs.

Calorie to Kiloelectronvolt

1 cal = 26114473967543830 keV

1 Calorie (cal) = 26114473967543830 Kiloelectronvolts (keV)

1 cal equals 26114473967543830 keVs.

Calorie to Megaelectronvolt

1 cal = 26114473967543.832 MeV

1 Calorie (cal) = 26114473967543.832 Megaelectronvolts (MeV)

1 cal equals 26114473967543.832 MeVs.

Calorie to Gigaelectronvolt

1 cal = 26114473967.54383 GeV

1 Calorie (cal) = 26114473967.54383 Gigaelectronvolts (GeV)

1 cal equals 26114473967.54383 GeVs.

Calorie to Tonne of Oil Equivalent

1 cal = 9.993312314894431e-11 toe

1 Calorie (cal) = 9.993312314894431e-11 Tonne of Oil Equivalent (toe)

1 cal equals 9.993312314894431e-11 toe.

Calorie to Tonne of Coal Equivalent

1 cal = 1.4276160449849187e-10 tce

1 Calorie (cal) = 1.4276160449849187e-10 Tonne of Coal Equivalent (tce)

1 cal equals 1.4276160449849187e-10 tce.

Calorie to Hartree

1 cal = 959689217281022300 hartree

1 Calorie (cal) = 959689217281022300 Hartrees

1 cal equals 959689217281022300 hartrees.