NiftyRecipe Online energy conversion
kWh/kcal 860.42065 kcal/cal 1000 BTU/kWh 0.000293 cal/kJ 0.004184 kJ/BTU 0.947817 BTU/kJ 1.055056
J / BTU

80 joules in BTU

0.075825 BTU

1 J = 0.000948 BTU · factor

Kilojoules and megajoules sit on the SI energy scale. This page is pure unit conversion-not a meal planner.

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

Common values

BTU to joule 1 joule in BTU 2 joules in BTU 3 joules in BTU 4 joules in BTU 5 joules in BTU 6 joules in BTU 8 joules in BTU 10 joules in BTU 12 joules in BTU 15 joules in BTU

Related converters

J → kcal J → kJ
Formula: joule to BTU

BTU = J × 0.000948 (1 J = 0.000948 BTU)

Reference values: joule → BTU
J BTU
1 J 0.000948 BTU
100 J 0.094782 BTU
200 J 0.189563 BTU
500 J 0.473909 BTU
1000 J 0.947817 BTU
2000 J 1.895634 BTU

All amounts for this pair

FAQ for J → BTU
80 joules in BTU

NiftyRecipe converts 80 joules to 0.075825 BTU with a fixed SI-linked factor.

Kilojoules and megajoules describe energy on a scientific scale. The ratio applied here is 1 joule = 0.000948 BTU, so this amount is 0.075825 BTU. Reverse check: 1 BTU ≈ 1055.055853 joule. 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.