When to use this calculator
Estimate mass of a uniform solid square bar. Rounded corners, mill scale and section tolerance are excluded.
Explore the material stock & weight calculators for other questions in this topic. For a related calculation, use the Steel Plate Weight Calculator: Estimate solid plate mass from dimensions and a supplied steel density.
PUTTING IT INTO PRACTICE
Square Bar Weight: a worked example
The values below are an illustrative example, not a recommendation. Replace them with measurements or assumptions that match your question.
| Input | Example value |
|---|---|
| Actual side (mm) | 20 |
| Length (m) | 2 |
| Density (kg/m³) | 7,850 |
| Result | 6.28 kg |
- Check the input labels and enter the example values above.
- Apply the relationship: Mass = (side/1000)² × length × density.
- The result is 6.28 kg, rounded for display.
How to interpret your result
Rounded corners, mill scale and section tolerance are excluded.
Use actual dimensions and a density matching the material and condition. Rolled sections, corners and manufacturing tolerance can differ from sharp ideal geometry. Weight estimates do not establish structural capacity.
Frequently asked questions
Should nominal or actual material dimensions be used?
Use actual dimensions for a geometric mass estimate. Nominal product labels and finished dimensions can differ.
When is the square bar weight calculator useful?
Estimate mass of a uniform solid square bar. Rounded corners, mill scale and section tolerance are excluded.
How do I use the square bar weight calculator?
Enter actual side (mm), length (m), density (kg/m³). The result updates automatically. Use the units shown beside each input; the example values illustrate the method.
Which formula does this calculator use?
Mass = (side/1000)² × length × density.
What should I check before using the result?
Rounded corners, mill scale and section tolerance are excluded.
How are results rounded?
Scalar numbers display up to six decimal places, with scientific notation for very large or small values. Text, fraction, date and schedule outputs use the format described on the tool. Intermediate calculations use JavaScript floating-point arithmetic. Keep sensible precision for your measurements.
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