Convert BTU (international table) (BTU (IT)) to watt-hours (Wh).
Energy converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
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.
0.2930710702
Wh
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 BTU (IT) ≈ 0.2930710702 Wh
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAWh = BTU (IT) × 0.293071070172222
FORMULA & EXAMPLES
How to convert BTU (international table) to watt-hours
Wh = BTU (IT) × 0.293071070172222
Multiply the BTU (IT) reading by 0.293071070172222.
Worked examples
1 BTU (IT) ≈ 0.2930710702 Wh
1 × 0.293071070172222 ≈ 0.2930710702
1000 BTU (IT) ≈ 293.0710702 Wh
1000 × 0.293071070172222 ≈ 293.0710702
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.
BTU (international table) to watt-hours table
Fixed reference · BTU (international table) to Watt-hour
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
BTU (international table) (BTU (IT))
Watt-hour (Wh)
0
0
0.1
0.02930710702
0.5
0.1465355351
1
0.2930710702
2
0.5861421403
5
1.465355351
10
2.930710702
25
7.326776754
50
14.65355351
100
29.30710702
1000
293.0710702
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.