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Elongation Calculator
Percent elongation of a material from original and final gauge length.
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Elongation
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Percent elongation of a material from original and final gauge length.
Elongation Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: Elongation = (L1 – L0) / L0 x 100.
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
Elongation Quick Guide
Typical values for reference.
| L0 mm | L1 mm | Elongation | |
|---|---|---|---|
| 50 | 62 | 24.00% | |
| 50 | 52 | 4.00% | |
| 50 | 75 | 50.00% | |
| 25 | 30 | 20.00% | |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Elongation Calculator FAQ
Answers to common questions about this calculator.
Increase in gauge length at fracture as a percent of original.
How ductile a material is.
Mild steel is around 25 percent.
Strain is the same ratio, not multiplied by 100.