How many ft·lb in 21 btu? The answer is 16,342.3931349 ft·lb, so 21 btu is equal to 16,342.3931349 ft·lb. Let’s discuss it in detail!
First of all, we must know that btu and ft·lb are units of energy, btu is the abbreviation of Btu, ft·lb is the abbreviation of Feet-Pound.
Then, we want to convert 21 btu into ft·lb, we should get the conversion formula of btu to ft·lb first.
Fortunately, through the Btu to Feet-Pound converter page, we can easily get the btu to ft·lb conversion formula: 1 btu = 778.2091969 ft·lb. The number 778.2091969 is called the conversion factor of btu to ft·lb.
So, convert btu to ft·lb, just multiply btu by the conversion factor 778.2091969.
1 btu = 778.2091969 ft·lb
21 btu = 21 * 778.2091969 ft·lb = 16,342.3931349 ft·lb
The result is out: 21 btu = 16,342.3931349 ft·lb.
Is not it simple?
If you still don’t understand, take it easy, we can give another example:
1 btu = 778.2091969 ft·lb
261 btu = 261 * 778.2091969 ft·lb = 203112.6003909 ft·lb
Thus, 261 btu = 203112.6003909 ft·lb.
Well, through the above detailed explanation, you should have mastered the technique of how to convert btu to ft·lb. If you still can’t, don’t worry, just use the btu to ft·lb conversion tool we provide above, enter the conversion value you want, our calculator tool will give the result immediately, and the maximum accuracy of result can be retained to 10 digits, which is very convenient and fast. Looking forward to your use.
OK, at this point, we already know that 21 btu is equal to 16,342.3931349 ft·lb. The following questions can be easily solved by this conversion:
Of course, here is only list a part of questions, there are more questions that can be solved by 21 btu to ft·lb. If you know, please leave a message to tell us, we will add them to this questions list. Thank you.
In addition to converting 21 btu to ft·lb, you may also be interested in converting 21 btu to other energy units. So, we list some conversion results of converting 21 btu to other energy units below.
Moreover, if you want to convert 21 ft·lb to btu, please click here!
| energy units | 21 btu |
| Kilojoule | 22.1561739 kJ |
| Kilocalorie | 5.2931088 kcal |
| Calorie | 5293.1097072 cal |
| Kilowatt-Hour CN | 0.0061551 kW·h |
| Kilowatt-Hour | 0.0061551 kW·h |
| Horsepower-Hour UK | 0.008253 hp·h |
| Horsepower-Hour US | 0.0083685 ps·h |
| Kilogram-Meter | 2259.929637 kg·m |
| Joule | 22156.1729046 J |
Apart from 21 btu to ft·lb, we list some commonly used btu to ft·lb conversion, convenient for your use.
