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1 Joule = 0.239006 Calorie (thermochemical)

1 Calorie (thermochemical) = 4.184 Joule

Standard Ratio · Scientific Base Value

Popular Energy Unit Conversions

Joule to Megajoule Joule to Gigajoule Joule to Kilocalorie (IT)Joule to Calorie (thermochemical)Joule to Megawatt-hour Joule to British thermal unit (IT)Joule to Foot-pound force Joule to Electronvolt Joule to Ton of TNT Megajoule to Joule Megajoule to Gigajoule Megajoule to Kilocalorie (IT)Megajoule to Calorie (thermochemical)Megajoule to Megawatt-hour Megajoule to British thermal unit (IT)Megajoule to Foot-pound force Megajoule to Electronvolt Megajoule to Ton of TNT Gigajoule to Joule Gigajoule to Megajoule Gigajoule to Kilocalorie (IT)Gigajoule to Calorie (thermochemical)Gigajoule to Megawatt-hour Gigajoule to British thermal unit (IT)Gigajoule to Foot-pound force Gigajoule to Electronvolt Gigajoule to Ton of TNT Kilocalorie (IT) to Joule Kilocalorie (IT) to Megajoule Kilocalorie (IT) to Gigajoule Kilocalorie (IT) to Calorie (thermochemical)Kilocalorie (IT) to Megawatt-hour Kilocalorie (IT) to British thermal unit (IT)Kilocalorie (IT) to Foot-pound force Kilocalorie (IT) to Electronvolt Kilocalorie (IT) to Ton of TNT Calorie (thermochemical) to Joule Calorie (thermochemical) to Megajoule Calorie (thermochemical) to Gigajoule Calorie (thermochemical) to Kilocalorie (IT)Calorie (thermochemical) to Megawatt-hour Calorie (thermochemical) to British thermal unit (IT)Calorie (thermochemical) to Foot-pound force Calorie (thermochemical) to Electronvolt Calorie (thermochemical) to Ton of TNT Megawatt-hour to Joule Megawatt-hour to Megajoule Megawatt-hour to Gigajoule Megawatt-hour to Kilocalorie (IT)Megawatt-hour to Calorie (thermochemical)Megawatt-hour to British thermal unit (IT)Megawatt-hour to Foot-pound force Megawatt-hour to Electronvolt Megawatt-hour to Ton of TNT British thermal unit (IT) to Joule British thermal unit (IT) to Megajoule British thermal unit (IT) to Gigajoule British thermal unit (IT) to Kilocalorie (IT)British thermal unit (IT) to Calorie (thermochemical)British thermal unit (IT) to Megawatt-hour British thermal unit (IT) to Foot-pound force British thermal unit (IT) to Electronvolt British thermal unit (IT) to Ton of TNT Foot-pound force to Joule Foot-pound force to Megajoule Foot-pound force to Gigajoule Foot-pound force to Kilocalorie (IT)Foot-pound force to Calorie (thermochemical)Foot-pound force to Megawatt-hour Foot-pound force to British thermal unit (IT)Foot-pound force to Electronvolt Foot-pound force to Ton of TNT Electronvolt to Joule Electronvolt to Megajoule Electronvolt to Gigajoule Electronvolt to Kilocalorie (IT)Electronvolt to Calorie (thermochemical)Electronvolt to Megawatt-hour Electronvolt to British thermal unit (IT)Electronvolt to Foot-pound force Electronvolt to Ton of TNT Ton of TNT to Joule Ton of TNT to Megajoule Ton of TNT to Gigajoule Ton of TNT to Kilocalorie (IT)Ton of TNT to Calorie (thermochemical)Ton of TNT to Megawatt-hour Ton of TNT to British thermal unit (IT)Ton of TNT to Foot-pound force Ton of TNT to Electronvolt

Jcal_th

Joule To Calorie (thermochemical) Conversion Rate

Live conversion J/cal_th · Standardized Definition

1 J

0.239006 cal(th)

1 cal_th

4.184 J

Live Joule (J) to Calorie (thermochemical) (cal_th) Conversion Rate

Standard RatioScientific Base Value

As of scientific standard definition, 1 Joule (J) = cal(th)0.239006 Calorie (thermochemical) (cal_th). If you were to reverse the conversion, 1 cal_th would equal roughly J4.184 J.

Knowing the exact Joule to Calorie (thermochemical) conversion ensures absolute precision and avoids thermodynamic and physical calculation errors.

Standard Definition

The Joule/Calorie (thermochemical) conversion is fixed by exact international physical constants, SI metric, and thermochemical standards.

Energy Hierarchy

Use our interactive matrix table below to inspect thermodynamic scale variations across quantum electronvolts, mechanical foot-pounds, and mega-quaddic scales.

Accurate Value

Utilizing pure double-precision conversion metrics guarantees that floating-point errors are eliminated across extreme scales.

Convert Joule To Calorie (thermochemical)

J/cal_th unit pair

J Joule	cal Calorie (thermochemical)
1 J	0.239006 cal(th)
5 J	1.195 cal(th)
10 J	2.3901 cal(th)
25 J	5.9751 cal(th)
50 J	11.9503 cal(th)
100 J	23.9006 cal(th)
500 J	119.503 cal(th)
1,000 J	239.006 cal(th)
5,000 J	1,195.03 cal(th)
10,000 J	2,390.06 cal(th)

Convert Calorie (thermochemical) To Joule

cal_th/J unit pair

cal Calorie (thermochemical)	J Joule
1 cal(th)	4.184 J
5 cal(th)	20.92 J
10 cal(th)	41.84 J
25 cal(th)	104.6 J
50 cal(th)	209.2 J
100 cal(th)	418.4 J
500 cal(th)	2,092 J
1,000 cal(th)	4,184 J
5,000 cal(th)	20,920 J
10,000 cal(th)	41,840 J

Conversion Rates for 1 Joule

1 J – MegajouleMJ (MJ)

1.000000e-6 MJ(1,000,000 J)

1 J – GigajouleGJ (GJ)

1.000000e-9 GJ(1,000,000,000 J)

1 J – MillijoulemJ (mJ)

1,000 mJ(0.001 J)

1 J – MicrojouleµJ (µJ)

1,000,000 µJ(1.000000e-6 J)

1 J – Kilocalorie (IT)kcal_IT (kcal(IT))

0.000239 kcal(IT)(4,186.8 J)

1 J – Kilocalorie (thermochemical)kcal_th (kcal(th))

0.000239 kcal(th)(4,184 J)

1 J – Calorie (thermochemical)cal_th (cal(th))

0.239006 cal(th)(4.184 J)

1 J – Calorie (15°C)cal_15 (cal₁₅)

0.238903 cal₁₅(4.1858 J)

1 J – Calorie (20°C)cal_20 (cal₂₀)

0.239126 cal₂₀(4.1819 J)

1 J – Food calorieCal (Cal)

0.000239 Cal(4,184 J)

1 J – Kilowatt-secondkW·s (kW·s)

0.001 kW·s(1,000 J)

1 J – Megawatt-hourMWh (MWh)

2.777778e-10 MWh(3,600,000,000 J)

1 J – Gigawatt-hourGWh (GWh)

2.777778e-13 GWh(3,600,000,000,000 J)

1 J – Milliwatt-hourmWh (mWh)

0.277778 mWh(3.6 J)

1 J – Watt-secondW·s (W·s)

1 J – Volt-ampere-secondV·A·s (V·A·s)

1 J – Ergerg (erg)

10,000,000 erg(1.000000e-7 J)

1 J – HartreeEh (E_h)

2.293712e+17 E_h(4.359745e-18 J)

1 J – RydbergRy (Ry)

4.587425e+17 Ry(2.179872e-18 J)

1 J – Therm (EC)thm_EC (thm(EC))

9.478134e-9 thm(EC)(105,506,000 J)

1 J – Therm (US)thm_US (thm(US))

9.480434e-9 thm(US)(105,480,400 J)

1 J – British thermal unit (IT)BTU_IT (BTU(IT))

0.000948 BTU(IT)(1,055.06 J)

1 J – British thermal unit (thermochemical)BTU_th (BTU(th))

0.000948 BTU(th)(1,054.35 J)

1 J – British thermal unit (mean)BTU_m (BTU(mean))

0.000947 BTU(mean)(1,055.87 J)

1 J – Centigrade heat unitCHU (CHU)

0.000527 CHU(1,899.1 J)

1 J – Fahrenheit heat unitFHU (FHU)

0.000948 FHU(1,055.06 J)

1 J – Foot-pound forceft·lbf (ft·lbf)

0.737562 ft·lbf(1.3558 J)

1 J – Inch-pound forcein·lbf (in·lbf)

8.8507 in·lbf(0.112985 J)

1 J – Kilogram-force meterkgf·m (kgf·m)

0.101972 kgf·m(9.8067 J)

1 J – Dyne-centimeterdyn·cm (dyn·cm)

10,000,000 dyn·cm(1.000000e-7 J)

1 J – Horsepower-hourhp·h (hp·h)

3.725061e-7 hp·h(2,684,519.54 J)

1 J – Liter-atmosphereL·atm (L·atm)

0.009869 L·atm(101.325 J)

1 J – Cubic meter-atmospherem³·atm (m³·atm)

9.869233e-6 m³·atm(101,325 J)

1 J – ElectronvolteV (eV)

6.241509e+18 eV(1.602177e-19 J)

1 J – KiloelectronvoltkeV (keV)

6.241509e+15 keV(1.602177e-16 J)

1 J – MegaelectronvoltMeV (MeV)

6,241,509,074,460.76 MeV(1.602177e-13 J)

1 J – GigaelectronvoltGeV (GeV)

6,241,509,074.46 GeV(1.602177e-10 J)

1 J – TeraelectronvoltTeV (TeV)

6,241,509.07 TeV(1.602177e-7 J)

1 J – Barrel of oil equivalentBOE (boe)

1.634558e-10 boe(6,117,863,200 J)

1 J – Ton of TNTt_TNT (tTNT)

2.390057e-10 tTNT(4,184,000,000 J)

1 J – Kiloton of TNTkt_TNT (ktTNT)

2.390057e-13 ktTNT(4,184,000,000,000 J)

1 J – Megaton of TNTMt_TNT (MtTNT)

2.390057e-16 MtTNT(4.184000e+15 J)

1 J – Quad (energy)QUAD (quad)

9.478171e-19 quad(1.055056e+18 J)

Frequently Asked Questions (J to cal_th)

Currently, 1 Joule (J) is exactly equivalent to 0.239006 Calorie (thermochemical) (cal(th)).

No, energy unit conversions are fixed mathematical physical standards.

Simply enter the value into the input field above. It computes and displays the output instantly.

Yes, double-precision math and scientific notation are used for extreme precision.

Yes, our comparison table below displays conversion values across all supported units.