calculatorsonline.co.uk
Pipe Length Calculator
Find the real pipe length for an offset from the run, rise and offset angle.
📏 Free Online Tool
⚡ Instant Results
📊 Clear Comparison
🔒 100% Free Tool
Free Plumbing Tool
Compare Your Options And Get Clear Answers
Find the real pipe length for an offset from the run, rise and offset angle.
Pipe Length Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: Dry fit the pipe before you glue or solder and subtract fitting allowances.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Pipe Quick Guide
Typical values for reference.
| Angle | Travel Factor | Set Back Factor | Use |
|---|---|---|---|
| 22.5 | 2.613 | 2.414 | Gentle |
| 45 | 1.414 | 1.000 | Common |
| 60 | 1.155 | 0.577 | Steep |
| 90 | 1.000 | 0 | Square |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Pipe Length Calculator FAQ
Answers to common questions about this calculator.
Rise divided by the sine of the angle.
Rise divided by the tangent of the angle.
Yes, subtract the take-out.
45 degrees.