Convert joules (J) to BTU (international table) (BTU (IT)).
Energy converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
J
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JouleJ
KilojoulekJ
MegajouleMJ
Watt-hourWh
Kilowatt-hourkWh
Thermochemical caloriecal
Kilocalorie (food Calorie)kcal
BTU (international table)BTU (IT)
ElectronvolteV
No units found. Try a name or symbol.
0.0009478171203
BTU (IT)
esc
JouleJ
KilojoulekJ
MegajouleMJ
Watt-hourWh
Kilowatt-hourkWh
Thermochemical caloriecal
Kilocalorie (food Calorie)kcal
BTU (international table)BTU (IT)
ElectronvolteV
No units found. Try a name or symbol.
CONVERSION
1 J ≈ 0.0009478171203 BTU (IT)
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULABTU (IT) = J × 0.000947817120313317
FORMULA & EXAMPLES
How to convert Joules to BTU (international table)
BTU (IT) = J × 0.000947817120313317
Multiply the J reading by 0.000947817120313317.
Worked examples
1 J ≈ 0.0009478171203 BTU (IT)
1 × 0.000947817120313317 ≈ 0.0009478171203
1000 J ≈ 0.9478171203 BTU (IT)
1000 × 0.000947817120313317 ≈ 0.9478171203
Frequently asked questions
Which BTU definition is used?
The tool uses the international table BTU, equal to 1055.05585262 J. A value defined using another BTU convention needs that convention’s factor.
Joules to BTU (international table) table
Fixed reference · Joule to BTU (international table)
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Joule (J)
BTU (international table) (BTU (IT))
0
0
0.1
0.00009478171203
0.5
0.0004739085602
1
0.0009478171203
2
0.001895634241
5
0.004739085602
10
0.009478171203
25
0.02369542801
50
0.04739085602
100
0.09478171203
1000
0.9478171203
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.