Beam Bending Stress Calculator
Maximum bending stress in a simply supported rectangular beam with a central point load.
Compare Your Options And Get Clear Answers
Maximum bending stress in a simply supported rectangular beam with a central point load.
Beam Bending Stress Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
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Read the breakdown and the explanation.
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Beam Quick Guide
Typical values for reference.
| Load N | Span mm | Depth mm | Stress MPa |
|---|---|---|---|
| 1000 | 3000 | 150 | 4.00 MPa |
| 5000 | 3000 | 150 | 20.00 MPa |
| 10000 | 3000 | 150 | 40.00 MPa |
| 20000 | 3000 | 200 | 45.00 MPa |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Beam Bending Stress Calculator FAQ
Answers to common questions about this calculator.
The normal stress at the outer fibre caused by a bending moment.
No, it is educational. Consult an engineer.
sigma = M / Z; M = P L / 4; Z = b h^2 / 6.
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.