Converting between british thermal units and joules is essential in physics, nutrition, electrical engineering, and heating calculations. Energy units bridge different domains: joules in physics, calories in nutrition, kilowatt-hours in electricity, and BTUs in heating.
19.99894 btu = 21099.998693 j
19.99894 (nineteen) british thermal unit(s) is equal to 21099.998693 (twenty-one thousand and ninety-nine) joule(s)
What is british thermal unit?
The British thermal unit (BTU) equals approximately 1,055 joules. It is used in the United States for rating heating and cooling systems, water heaters, and the energy content of fuels.
What is joule?
The joule (J) is the SI unit of energy. It is defined as the work done by a force of one newton acting through a distance of one metre. Joules measure mechanical, electrical, and thermal energy.
How to convert btu to j
To convert British thermal unit to Joule, multiply the value by 1055.05585262.
19.99894 btu × 1055.05585262 = 21099.998693 j
Common Conversions
| btu | j (Joule) | Description |
|---|---|---|
| 1 BTU | 1055.055853 J | 1 British thermal unit(s) = 1055.055853 Joule(s) |
| 2 BTU | 2110.111705 J | 2 British thermal unit(s) = 2110.111705 Joule(s) |
| 5 BTU | 5275.279263 J | 5 British thermal unit(s) = 5275.279263 Joule(s) |
| 10 BTU | 10550.558526 J | 10 British thermal unit(s) = 10550.558526 Joule(s) |
| 25 BTU | 26376.396316 J | 25 British thermal unit(s) = 26376.396316 Joule(s) |
| 50 BTU | 52752.792631 J | 50 British thermal unit(s) = 52752.792631 Joule(s) |
| 100 BTU | 105505.585262 J | 100 British thermal unit(s) = 105505.585262 Joule(s) |
| 250 BTU | 263763.963155 J | 250 British thermal unit(s) = 263763.963155 Joule(s) |
| 500 BTU | 527527.92631 J | 500 British thermal unit(s) = 527527.92631 Joule(s) |
| 1000 BTU | 1055055.85262 J | 1000 British thermal unit(s) = 1055055.85262 Joule(s) |
| 2500 BTU | 2637639.63155 J | 2500 British thermal unit(s) = 2637639.63155 Joule(s) |
| 5000 BTU | 5275279.2631 J | 5000 British thermal unit(s) = 5275279.2631 Joule(s) |
| 10000 BTU | 10550558.5262 J | 10000 British thermal unit(s) = 10550558.5262 Joule(s) |
Convert British thermal unit to other units
| btu | Unit | Description |
|---|---|---|
| 19.99894 BTU | 21099.998693 J | Joule |
| 19.99894 BTU | 21.099999 kJ | Kilojoule |
| 19.99894 BTU | 0.0211 MJ | Megajoule |
| 19.99894 BTU | 5043.02072 cal | Calorie |
| 19.99894 BTU | 5.043021 kcal | Kilocalorie |
| 19.99894 BTU | 5.861111 Wh | Watt-hour |
| 19.99894 BTU | 0.005861 kWh | Kilowatt-hour |