| British thermal unit (mean) | Liter-atmosphere |
|---|---|
| 1 BTUmean | 10.420626696274 l atm |
| 2 BTUmean | 20.841253392549 l atm |
| 3 BTUmean | 31.261880088823 l atm |
| 4 BTUmean | 41.682506785097 l atm |
| 5 BTUmean | 52.103133481372 l atm |
| 6 BTUmean | 62.523760177646 l atm |
| 7 BTUmean | 72.944386873921 l atm |
| 8 BTUmean | 83.365013570195 l atm |
| 9 BTUmean | 93.785640266469 l atm |
| 10 BTUmean | 104.20626696274 l atm |
| British thermal unit (mean) | Liter-atmosphere |
|---|---|
| 15 BTUmean | 156.30940044412 l atm |
| 20 BTUmean | 208.41253392549 l atm |
| 30 BTUmean | 312.61880088823 l atm |
| 40 BTUmean | 416.82506785097 l atm |
| 50 BTUmean | 521.03133481372 l atm |
| 60 BTUmean | 625.23760177646 l atm |
| 70 BTUmean | 729.44386873921 l atm |
| 80 BTUmean | 833.65013570195 l atm |
| 90 BTUmean | 937.85640266469 l atm |
| 100 BTUmean | 1042.0626696274 l atm |
| British thermal unit (mean) | Liter-atmosphere |
|---|---|
| 500 BTUmean | 5210.3133481372 l atm |
| 1000 BTUmean | 10420.626696274 l atm |
| 1500 BTUmean | 15630.940044412 l atm |
| 10000 BTUmean | 104206.26696274 l atm |
| 50000 BTUmean | 521031.33481372 l atm |
| 100000 BTUmean | 1042062.6696274 l atm |
| 500000 BTUmean | 5210313.3481372 l atm |
| 1000000 BTUmean | 10420626.696274 l atm |
| 5000000 BTUmean | 52103133.481372 l atm |
| 10000000 BTUmean | 104206266.96274 l atm |