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Tube Bending Radius Calculator
Calculate bend length, developed length and tube centre-line radius.
wrench Free Online Tool
โก Instant Results
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๐ 100% Free Tool
Bend radius
Compare Your Options And Get Clear Answers
Calculate bend length, developed length and tube centre-line radius.
Tube Bending Radius Estimator
Enter your numbers below for an instant estimate.
0
๐ก Tip: Radius = tube OD x multiple. Arc = pi x R x angle / 180.
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
Tube Quick Guide
Typical values for reference.
| OD mm | Multiple | Angle | Radius |
|---|---|---|---|
| 12 | 3 | 90 | 36.0 mm |
| 25 | 3 | 90 | 75.0 mm |
| 38 | 3 | 90 | 114.0 mm |
| 50 | 3 | 90 | 150.0 mm |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Tube Bending Radius Calculator FAQ
Answers to common questions about this calculator.
Usually 2 to 3 times the tube diameter.
The radius measured to the middle of the tube.
Yes, thicker and softer tube bends tighter.
The tube relaxes slightly after bending.