Beam Load Calculator
Calculate the maximum uniform load for a simply supported rectangular beam.
How to Use the Beam Load Calculator
- Enter beam span in meters.
- Enter cross-section width and height in cm.
- Enter the allowable bending stress in MPa.
- Click Calculate.
クイックリファレンス
| 変換元 | 変換先 |
|---|---|
| Softwood (C24) | ~10 MPa |
| Hardwood | ~15 MPa |
| Steel S235 | ~235 MPa |
| Steel S355 | ~355 MPa |
| Concrete C25/30 | ~16.7 MPa |
| Aluminum 6061 | ~240 MPa |
使用例
- •Preliminary structural analysis.
- •Comparing beam sizes.
- •Checking load capacity of existing beams.
- •Educational structural engineering.
計算式
S = bh²/6. Max moment = σ × S. Max uniform load = 8M / L².
よくある質問
What is material strength?
Allowable bending stress in MPa. Wood ~10 MPa, steel ~250 MPa.
Is this for engineering design?
This is an estimate. Always consult a structural engineer for real projects.
Is it free?
Yes, all calculators are completely free.