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Engineering ToolBox > Propane Gas - Pipe Sizing
The tables below can be used for propane gas pipe sizing.
| Capacity of Pipe (kW) | |||||
| Pipe Size (in) | Pipe Length (m) | ||||
| 3 | 6 | 12 | 24 | 50 | |
| 1/2 | 70 | 48 | 33 | 22 | 15 |
| 3/4 | 145 | 100 | 69 | 47 | 32 |
| 1 | 274 | 188 | 130 | 89 | 60 |
| 1 1/4 | 560 | 387 | 265 | 182 | 123 |
| 1 1/2 | 840 | 580 | 400 | 274 | 184 |
| 2 | 1625 | 1117 | 768 | 527 | 354 |
| 2 1/2 | 2590 | 1780 | 1223 | 841 | 565 |
| 3 | 4580 | 3145 | 2160 | 1487 | 1000 |
| 4 | 9340 | 6415 | 4410 | 3030 | 2040 |
| 5 | 16900 | 11615 | 7980 | 5485 | 3690 |
| 6 | 27360 | 18800 | 12920 | 8880 | 5970 |
| 8 | 56220 | 38640 | 26560 | 18250 | 12270 |
| Capacity of Pipe (kW) | ||||
| Nominal Pipe Size (O.D) (in) | Pipe Length (m) | |||
| 3 | 6 | 12 | 24 | |
| 1/4 (3/8) | 11 | 7 | 5 | 3 |
| 3/8 (1/2) | 22 | 15 | 11 | 7 |
| 1/2 (5/8) | 45 | 31 | 21 | 15 |
| 5/8 (3/4) | 79 | 54 | 37 | 26 |
| 3/4 (7/8) | 112 | 77 | 53 | 36 |
| 1 (1 1/8) | 239 | 165 | 113 | 77 |
| 1 1/4 (1 3/8) | 430 | 295 | 203 | 140 |
| Capacity of Pipe (kW) | ||||
| Nominal Pipe Size (O.D) (in) | Pipe Length (m) | |||
| 3 | 6 | 12 | 24 | |
| 1/4 (3/8) | 12 | 8 | 5 | 4 |
| 3/8 (1/2) | 26 | 18 | 12 | 8 |
| 1/2 (5/8) | 50 | 34 | 23 | 16 |
| 5/8 (3/4) | 83 | 57 | 39 | 27 |
| 3/4 (7/8) | 128 | 88 | 60 | 41 |
| 1 (1 1/8) | 258 | 177 | 122 | 83 |
| 1 1/4 (1 3/8) | 450 | 308 | 211 | 145 |