700 Btu to Joules

700 Btu ≈ 7.3854e+5 J

Calculation: J = 700 Btu × 1055.06 ≈ 7.3854e+5 J

Btu to Joule Converter

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How to Convert Btu to Joule

1 Btu = 1055.06 Joules

Joule = Btu × 1055.06

Example: 700 Btu × 1055.06 = 738540 J

Reverse Conversion

To convert Joules back to Btu:

  • Remember, 1 joule equals 0.000947817 Btu.
  • To convert 738540 J to Btu, multiply 738540 x 0.000947817, resulting in 700 Btu.

700 Btu is also equal to:

  • 738.54 kilojoule
  • 0.20515 kilowatt hour
  • 176.52 calorie (nutritional)
  • 205.15 watt hour
About these units

Btu: British thermal unit (IT) — legacy heat unit based on heating water.

Joule: SI unit of energy: 1 J = 1 N·m = 1 kg·m²·s⁻².

Frequently Asked Questions

How much is 700 Btu in Joules?

700 Btu equals 738540 Joules. This is calculated by multiplying 700 by the conversion factor 1055.06.

What does 700 Btu look like in Joules?

700 Btu (738540 Joules) is heating a cup of water — a kettle uses about 300 Btu.

How do you calculate 700 Btu to Joules?

Multiply 700 by the conversion factor 1055.06. The calculation is 700 × 1055.06 = 738540 Joules. This factor is defined by international measurement standards.

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700 Btu = 738539 Joules
700 Btu = 738539 Joules — conversion chart

For general conversions between Btu and Joules, see the Btu to Joules converter.

Also convert Btu to:

Conversion factors verified against NIST, BIPM, ISO 80000-4 1 cal_IT = 4.1868 J by definition (BIPM/ITS-90). Last reviewed: April 2026
Adilson Fernandes By Adilson Fernandes
Tiago Fernandes Reviewed by Tiago Fernandes

All unit conversions on CoolConversion use conversion factors defined or documented by internationally recognised standards bodies (such as ISO and NIST), including both SI and non-SI units.