BTU to Watt-hour Conversion Chart
This chart converts BTU (BTU) to Watt-hour (Wh) using the factor 0.29307222. One BTU equals 0.29307222 Wh; one Wh equals 3.4121282 BTU.
Wh = BTU × 0.293072
| BTU | Wh |
|---|---|
| 5 | 1.4654 |
| 10 | 2.9307 |
| 15 | 4.3961 |
| 20 | 5.8614 |
| 25 | 7.3268 |
| 30 | 8.7922 |
| 35 | 10.2575 |
| 40 | 11.7229 |
| 45 | 13.1883 |
| 50 | 14.6536 |
| 55 | 16.119 |
| 60 | 17.5843 |
| 65 | 19.0497 |
| 70 | 20.5151 |
| 75 | 21.9804 |
| 80 | 23.4458 |
| 85 | 24.9111 |
| 90 | 26.3765 |
| 95 | 27.8419 |
| 100 | 29.3072 |
| 105 | 30.7726 |
| 110 | 32.2379 |
| 115 | 33.7033 |
| 120 | 35.1687 |
| 125 | 36.634 |
| 130 | 38.0994 |
| 135 | 39.5648 |
| 140 | 41.0301 |
| 145 | 42.4955 |
| 150 | 43.9608 |
| 155 | 45.4262 |
| 160 | 46.8916 |
| 165 | 48.3569 |
| 170 | 49.8223 |
| 175 | 51.2876 |
| 180 | 52.753 |
| 185 | 54.2184 |
| 190 | 55.6837 |
| 195 | 57.1491 |
| 200 | 58.6144 |
| 205 | 60.0798 |
| 210 | 61.5452 |
| 215 | 63.0105 |
| 220 | 64.4759 |
| 225 | 65.9412 |
| 230 | 67.4066 |
| 235 | 68.872 |
| 240 | 70.3373 |
| 245 | 71.8027 |
| 250 | 73.2681 |
| BTU | Wh |
|---|---|
| 255 | 74.7334 |
| 260 | 76.1988 |
| 265 | 77.6641 |
| 270 | 79.1295 |
| 275 | 80.5949 |
| 280 | 82.0602 |
| 285 | 83.5256 |
| 290 | 84.9909 |
| 295 | 86.4563 |
| 300 | 87.9217 |
| 305 | 89.387 |
| 310 | 90.8524 |
| 315 | 92.3178 |
| 320 | 93.7831 |
| 325 | 95.2485 |
| 330 | 96.7138 |
| 335 | 98.1792 |
| 340 | 99.6446 |
| 345 | 101.1099 |
| 350 | 102.5753 |
| 355 | 104.0406 |
| 360 | 105.506 |
| 365 | 106.9714 |
| 370 | 108.4367 |
| 375 | 109.9021 |
| 380 | 111.3674 |
| 385 | 112.8328 |
| 390 | 114.2982 |
| 395 | 115.7635 |
| 400 | 117.2289 |
| 405 | 118.6943 |
| 410 | 120.1596 |
| 415 | 121.625 |
| 420 | 123.0903 |
| 425 | 124.5557 |
| 430 | 126.0211 |
| 435 | 127.4864 |
| 440 | 128.9518 |
| 445 | 130.4171 |
| 450 | 131.8825 |
| 455 | 133.3479 |
| 460 | 134.8132 |
| 465 | 136.2786 |
| 470 | 137.7439 |
| 475 | 139.2093 |
| 480 | 140.6747 |
| 485 | 142.14 |
| 490 | 143.6054 |
| 495 | 145.0708 |
| 500 | 146.5361 |
How to use this chart
Find the BTU value in the left column and read its Wh equivalent on the right. Every row uses the same conversion factor, so the printable table is suitable for quick reference without recalculating each value.
unitconv.online