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Dead Load Calculator
Estimate the dead load on a floor or roof from material weights.
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Dead load
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Estimate the dead load on a floor or roof from material weights.
Dead Load Estimator
Enter your numbers below for an instant estimate.
0
π‘ Tip: Dead load = thickness x density x g + finishes.
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
Dead Quick Guide
Typical values for reference.
| Area m2 | Thickness mm | Density | Dead load |
|---|---|---|---|
| 20 | 150 | 2400 | 4.53 kN/m2 |
| 10 | 100 | 2400 | 2.85 kN/m2 |
| 50 | 200 | 2400 | 6.21 kN/m2 |
| 25 | 50 | 600 | 0.99 kN/m2 |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Dead Load Calculator FAQ
Answers to common questions about this calculator.
The permanent weight of the structure and fixed finishes.
Live load is temporary, such as people and furniture.
About 2,400 kg per m3.
No, consult an engineer.