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BTU (international table) to kilojoules converter

Convert BTU (international table) (BTU (IT)) to kilojoules (kJ).

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Instant conversion

Edit either value. Decimals and scientific notation supported.

BTU (IT)

kJ

CONVERSION

1 BTU (IT) ≈ 1.055055853 kJ

Precision changes displayed rounding, not calculation accuracy.

FORMULAkJ = BTU (IT) × 1.05505585262

FORMULA & EXAMPLES

How to convert BTU (international table) to kilojoules

kJ = BTU (IT) × 1.05505585262

Multiply the BTU (IT) reading by 1.05505585262.

Worked examples

1 BTU (IT) ≈ 1.055055853 kJ

1 × 1.05505585262 ≈ 1.055055853

1000 BTU (IT) ≈ 1055.055853 kJ

1000 × 1.05505585262 ≈ 1055.055853

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 kilojoules table

Fixed reference · BTU (international table) to Kilojoule

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))Kilojoule (kJ)
00
0.10.1055055853
0.50.5275279263
11.055055853
22.110111705
55.275279263
1010.55055853
2526.37639632
5052.75279263
100105.5055853
10001055.055853
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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