118 Btu to Joules

118 Btu ≈ 1.245e+5 J

Calculation: J = 118 Btu × 1055.06 ≈ 1.245e+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: 118 Btu × 1055.06 = 124500 J

Reverse Conversion

To convert Joules back to Btu:

  • Remember, 1 joule equals 0.000947817 Btu.
  • To convert 124500 J to Btu, multiply 124500 x 0.000947817, resulting in 118 Btu.

118 Btu is also equal to:

  • 124.5 kilojoule
  • 0.034582 kilowatt hour
  • 29.755 calorie (nutritional)
  • 34.582 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 118 Btu in Joules?

118 Btu equals 124500 Joules. This is calculated by multiplying 118 by the conversion factor 1055.06.

What does 118 Btu look like in Joules?

118 Btu (124500 Joules) is heating a cup of water — a kettle uses about 300 Btu.

How do you calculate 118 Btu to Joules?

Multiply 118 by the conversion factor 1055.06. The calculation is 118 × 1055.06 = 124500 Joules. This factor is defined by international measurement standards.

Share This Calculation

118 Btu = 124497 Joules
118 Btu = 124497 Joules — conversion chart

Nearby Conversions

108 Btu113900 Joules 109 Btu115000 Joules 110 Btu116100 Joules 111 Btu117100 Joules 112 Btu118200 Joules 113 Btu119200 Joules 114 Btu120300 Joules 115 Btu121300 Joules 116 Btu122400 Joules 117 Btu123400 Joules 119 Btu125600 Joules 120 Btu126600 Joules 121 Btu127700 Joules 122 Btu128700 Joules 123 Btu129800 Joules 124 Btu130800 Joules 125 Btu131900 Joules 126 Btu132900 Joules 127 Btu134000 Joules 128 Btu135000 Joules

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.