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BTU (international table) to watt-hours converter

Convert BTU (international table) (BTU (IT)) to watt-hours (Wh).

Energy converter

Instant conversion

Edit either value. Decimals and scientific notation supported.

BTU (IT)

Wh

CONVERSION

1 BTU (IT) ≈ 0.2930710702 Wh

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)
00
0.10.02930710702
0.50.1465355351
10.2930710702
20.5861421403
51.465355351
102.930710702
257.326776754
5014.65355351
10029.30710702
1000293.0710702
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.

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