NiftyRecipe Online energy conversion
kWh/kJ 3600 MJ/cal 239005.736138 cal/BTU 0.003966 kJ/cal 239.005736 cal/MJ 0.000004 kWh/kcal 860.42065
BTU / J

3 BTUs in joule

3165.167558 joule

1 BTU = 1055.055853 J · factor

3 BTUs equals 3165.167558 joule. Factor: 1 BTU = 1055.055853 joule.

Enter a value and click Calculate - opens the page with the new result

Common values

joule to BTU 1 BTU in joule 2 BTUs in joule 4 BTUs in joule 5 BTUs in joule 6 BTUs in joule 8 BTUs in joule 10 BTUs in joule 12 BTUs in joule 15 BTUs in joule 20 BTUs in joule

Same amount, other units

3 BTUs → kcal 3 BTUs → cal 3 BTUs → kJ 3 BTUs → kWh 3 BTUs → MJ

Related converters

BTU → kcal BTU → cal BTU → kJ BTU → kWh BTU → MJ
Formula: BTU to joule

J = BTU × 1055.055853 (1 BTU = 1055.055853 J)

Reference values: BTU → joule
BTU J
1 BTU 1055.055853 J
100 BTU 105505.585262 J
200 BTU 211011.170524 J
500 BTU 527527.92631 J
1000 BTU 1055055.85262 J
2000 BTU 2110111.70524 J

All amounts for this pair

FAQ for BTU → J
3 BTUs in joule

NiftyRecipe converts 3 BTUs to 3165.167558 joule with a fixed SI-linked factor.

Kilojoules and megajoules describe energy on a scientific scale. The ratio applied here is 1 BTU = 1055.055853 joule, so this amount is 3165.167558 joule. Reverse check: 1 joule ≈ 0.000948 BTU. That helps when a lab notebook or spreadsheet only lists one column.

Change the value in the calculator for homework, datasheets or rough process estimates. The wording stays technical on purpose so these pages read differently from food-label articles on the same site.