Use the table to quickly determine the velocity of a gas in Schedule 40 Steel Pipe.
| Nominal Dia (in) | Area SF (in) | 1000 FPM (in) | 2000 FPM | 3000 FPM (in) | 4000 FPM (in) | 4500 FPM (in) | 5000 FPM | 5500 FPM (in) | 6000 FPM (in) |
| 1/8 | 0.0004 | 0.4 | 0.8 | 1.2 | 1.6 | 1.8 | 2 | 2.2 | 2.4 |
| 1/4 | 0.0007 | 0.7 | 1.5 | 2.2 | 2.9 | 3.3 | 3.6 | 4 | 3.3 |
| 3/8 | 0.0013 | 1.3 | 2.7 | 4 | 5.3 | 6 | 6.6 | 7.3 | |
| 1/2 | 0.0021 | 2.1 | 4.2 | 6.3 | 8.4 | 9.5 | 10.6 | 11.6 | 12.7 |
| 3/4 | 0.0037 | 3.7 | 7.4 | 11.1 | 14.8 | 16.7 | 18.5 | 20.4 | 22.2 |
| 1 | 0.006 | 6.0 | 12.0 | 18.0 | 24.0 | 27.0 | 30.0 | 33.0 | 36.0 |
| 1 1/4 | 0.0104 | 10.4 | 20.8 | 31.2 | 41.6 | 46.7 | 51.9 | 57.1 | 62.3 |
| 1 1/2 | 0.0141 | 14.1 | 28.3 | 42.4 | 56.6 | 63.6 | 70.7 | 77.8 | 84.8 |
| 2 | 0.0235 | 23.5 | 47.0 | 70.5 | 94 | 106 | 118 | 129 | 141 |
| 2 1/2 | 0.0332 | 33.3 | 66.5 | 99.8 | 133 | 150 | 166 | 183 | 200 |
| 3 | 0.0513 | 51.3 | 103 | 154 | 205 | 231 | 257 | 282 | 308 |
| 3 1/2 | 0.0687 | 68.7 | 137 | 206 | 275 | 309 | 343 | 378 | 412 |
| 4 | 0.0884 | 88 | 177 | 265 | 354 | 398 | 442 | 486 | 530 |
| 5 | 0.1389 | 139 | 278 | 417 | 556 | 625 | 695 | 764 | 834 |
| 6 | 0.2006 | 201 | 401 | 602 | 803 | 903 | 1003 | 1103 | 1204 |
| 8 | 0.3474 | 347 | 695 | 1042 | 1390 | 1563 | 1737 | 1911 | 2085 |
| 10 | 0.5476 | 548 | 1095 | 1643 | 2190 | 2464 | 2738 | 3012 | 3286 |
| 12 | 0.7773 | 777 | 1555 | 2332 | 3109 | 3498 | 3887 | 4275 | 4664 |
| 14 | 0.9397 | 940 | 1879 | 2819 | 3759 | 4229 | 4699 | 5169 | 5638 |
| 16 | 1.2272 | 1227 | 2454 | 3682 | 4909 | 5523 | 6136 | 6750 | 7363 |
| 18 | 1.5534 | 1553 | 3107 | 4660 | 6214 | 6990 | 7767 | 8544 | 9320 |
| 20 | 1.9307 | 1931 | 3861 | 5792 | 7723 | 8688 | 9653 | 10619 | 11584 |
| 24 | 2.7923 | 2792 | 5585 | 8377 | 11169 | 12565 | 13961 | 15358 | 16754 | FPS | 16.67 | 33.33 | 50.00 | 66.67 | 75.00 | 83.33 | 91.67 | 100.00 |