180 Btu to Joules

180 Btu ≈ 1.8991e+5 J

Calculation: J = 180 Btu × 1055.06 ≈ 1.8991e+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: 180 Btu × 1055.06 = 189910 J

Reverse Conversion

To convert Joules back to Btu:

  • Remember, 1 joule equals 0.000947817 Btu.
  • To convert 189910 J to Btu, multiply 189910 x 0.000947817, resulting in 180 Btu.

180 Btu is also equal to:

  • 189.91 kilojoule
  • 0.052753 kilowatt hour
  • 45.39 calorie (nutritional)
  • 52.753 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 180 Btu in Joules?

180 Btu equals 189910 Joules. This is calculated by multiplying 180 by the conversion factor 1055.06.

What does 180 Btu look like in Joules?

180 Btu (189910 Joules) is heating a cup of water — a kettle uses about 300 Btu.

How do you calculate 180 Btu to Joules?

Multiply 180 by the conversion factor 1055.06. The calculation is 180 × 1055.06 = 189910 Joules. This factor is defined by international measurement standards.

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180 Btu = 189910 Joules
180 Btu = 189910 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
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.