Example: To convert 5 Btu (th) to watt-second, multiply 5 by 1054.3502645 to get 5271.7513 W*s (5.2718e+3 W*s).
| Btu (th) | W*s |
|---|---|
| 7 Btu (th) | 7380.4519 W*s (7.3805e+3 W*s) |
| 8 Btu (th) | 8434.8021 W*s (8.4348e+3 W*s) |
| 9 Btu (th) | 9489.1524 W*s (9.4892e+3 W*s) |
| 10 Btu (th) | 10543.5026 W*s (1.0544e+4 W*s) |
| 11 Btu (th) | 11597.8529 W*s (1.1598e+4 W*s) |
| 12 Btu (th) | 12652.2032 W*s (1.2652e+4 W*s) |
| 13 Btu (th) | 13706.5534 W*s (1.3707e+4 W*s) |
| 14 Btu (th) | 14760.9037 W*s (1.4761e+4 W*s) |
| 15 Btu (th) | 15815.254 W*s (1.5815e+4 W*s) |
| 16 Btu (th) | 16869.6042 W*s (1.6870e+4 W*s) |
| 17 Btu (th) | 17923.9545 W*s (1.7924e+4 W*s) |
| 18 Btu (th) | 18978.3048 W*s (1.8978e+4 W*s) |
| 19 Btu (th) | 20032.655 W*s (2.0033e+4 W*s) |
| 20 Btu (th) | 21087.0053 W*s (2.1087e+4 W*s) |
| 21 Btu (th) | 22141.3556 W*s (2.2141e+4 W*s) |