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Joule per Kilogram Kelvin to BTU (IT) per Pound Fahrenheit

Convert joule per kilogram kelvin to btu (it) per pound fahrenheit instantly. Type in either field — results update live.

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Specific Heat Capacity Joule per Kilogram Kelvin BTU (IT) per Pound Fahrenheit

1 joule per kilogram kelvin = 0.0002388459 BTU (IT) per pound Fahrenheit

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Conversion table

Selected J/(kg·K) values converted to BTU (IT)/(lb·°F) using the exact factor from this tool.

J/(kg·K) BTU (IT)/(lb·°F)
0.01 0.0000023885
0.1 0.0000238846
1 0.0002388459
2 0.0004776918
3 0.0007165377
5 0.0011942295
10 0.002388459
20 0.0047769179
50 0.0119422948
100 0.0238845897
1,000 0.2388458966

How to convert

Exact conversion factors in both directions, plus a worked example.

1 J/(kg·K) = 0.0002388459 BTU (IT)/(lb·°F)

1 BTU (IT)/(lb·°F) = 4186.8 J/(kg·K)

To convert joule per kilogram kelvin to btu (it) per pound fahrenheit, multiply by 0.0002388459.

To convert btu (it) per pound fahrenheit to joule per kilogram kelvin, multiply by 4186.8.

Example: convert 10 J/(kg·K) to BTU (IT)/(lb·°F)

10 × 0.0002388459 = 0.002388459 BTU (IT)/(lb·°F)

About these units

Short background on the units used in this conversion.

Joule per Kilogram Kelvin (J/(kg·K))

The joule per kilogram kelvin (J/(kg·K)) is the SI unit of specific heat capacity — energy required to raise one kilogram by one kelvin.

Joules per kilogram kelvin rate materials, fluids, and solids in engineering heat-transfer and energy storage calculations.

BTU (IT) per Pound Fahrenheit (BTU (IT)/(lb·°F))

A BTU (IT) per pound Fahrenheit equals 4,186.8 J/(kg·K) — the imperial specific heat unit common in US HVAC and materials handbooks.

BTU (IT) per pound Fahrenheit describe building materials, refrigerants, and process fluids in US engineering references.

Frequently asked questions

How many BTU (IT) per pound Fahrenheit are in one joule per kilogram kelvin?
One joule per kilogram kelvin equals 0.0002388459 BTU (IT) per pound Fahrenheit. Multiply your joules per kilogram kelvin value by 0.0002388459 to convert to BTU (IT) per pound Fahrenheit.
What is the conversion formula?
BTU (IT)/(lb·°F) = J/(kg·K) × 0.0002388459

The reverse is J/(kg·K) = BTU (IT)/(lb·°F) × 4,186.8, using the same exact factors as this converter.
Is this Joule per Kilogram Kelvin to BTU (IT) per Pound Fahrenheit converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.

All joule per kilogram kelvin conversions

Jump to any specific heat capacity conversion starting from joule per kilogram kelvin — including the reverse direction and every other unit in our dataset.

btu (it) per pound fahrenheit (BTU (IT)/(lb·°F)) → joule per kilogram kelvin (J/(kg·K))
joule per kilogram kelvin (J/(kg·K)) → joule per kilogram celsius (J/(kg·°C))joule per kilogram kelvin (J/(kg·K)) → joule per gram celsius (J/(g·°C))joule per kilogram kelvin (J/(kg·K)) → kilojoule per kilogram kelvin (kJ/(kg·K))joule per kilogram kelvin (J/(kg·K)) → kilojoule per kilogram celsius (kJ/(kg·°C))joule per kilogram kelvin (J/(kg·K)) → calorie (it) per gram celsius (cal (IT)/(g·°C))joule per kilogram kelvin (J/(kg·K)) → calorie (thermochemical) per gram celsius (cal (th)/(g·°C))joule per kilogram kelvin (J/(kg·K)) → calorie (it) per gram fahrenheit (cal (IT)/(g·°F))joule per kilogram kelvin (J/(kg·K)) → kilocalorie (it) per kilogram kelvin (kcal (IT)/(kg·K))joule per kilogram kelvin (J/(kg·K)) → kilocalorie (thermochemical) per kilogram kelvin (kcal (th)/(kg·K))joule per kilogram kelvin (J/(kg·K)) → kilocalorie (it) per kilogram celsius (kcal (IT)/(kg·°C))joule per kilogram kelvin (J/(kg·K)) → kilocalorie (thermochemical) per kilogram celsius (kcal (th)/(kg·°C))joule per kilogram kelvin (J/(kg·K)) → kilogram-force meter per kilogram kelvin (kgf·m/(kg·K))joule per kilogram kelvin (J/(kg·K)) → foot-pound per pound rankine (lbf·ft/(lb·°R))joule per kilogram kelvin (J/(kg·K)) → btu (thermochemical) per pound fahrenheit (BTU (th)/(lb·°F))joule per kilogram kelvin (J/(kg·K)) → btu (it) per pound rankine (BTU (IT)/(lb·°R))joule per kilogram kelvin (J/(kg·K)) → btu (thermochemical) per pound rankine (BTU (th)/(lb·°R))joule per kilogram kelvin (J/(kg·K)) → btu (it) per pound celsius (BTU (IT)/(lb·°C))joule per kilogram kelvin (J/(kg·K)) → chu per pound celsius (CHU/(lb·°C))