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Line Spacing
Pipe-spacing Calculator
Center-to-center spacing for parallel pipe runs (rack / line spacing tables)
Enter values and press Calculate to see results.
Reference Tables
| Size | 1 | 1½ | 2 | 3 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 24 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 24 | 515 | 525 | 525 | 540 | 555 | 580 | 605 | 635 | 660 | 675 | 700 | 725 | 750 | 800 |
| 20 | 450 | 465 | 465 | 480 | 490 | 520 | 545 | 570 | 595 | 610 | 635 | 665 | 690 | |
| 18 | 415 | 430 | 430 | 445 | 455 | 485 | 510 | 535 | 560 | 575 | 600 | 630 | ||
| 16 | 385 | 400 | 400 | 415 | 425 | 455 | 480 | 505 | 530 | 550 | 575 | |||
| 14 | 345 | 360 | 360 | 375 | 385 | 415 | 440 | 465 | 490 | 505 | ||||
| 12 | 325 | 335 | 335 | 350 | 365 | 390 | 415 | 445 | 470 | |||||
| 10 | 300 | 310 | 310 | 325 | 340 | 365 | 390 | 420 | ||||||
| 8 | 255 | 265 | 265 | 280 | 295 | 320 | 345 | |||||||
| 6 | 220 | 235 | 235 | 250 | 260 | 290 | ||||||||
| 4 | 180 | 195 | 195 | 210 | 220 | |||||||||
| 3 | 150 | 160 | 160 | 175 | ||||||||||
| 2 | 125 | 140 | 140 | |||||||||||
| 1½ | 120 | 130 | ||||||||||||
| 1 | 105 |