Engineering & Construction
Bar Diameter Converter
Convert a bar diameter from millimetres to inches and show the weight per metre at 7850 kg/m³, including the rounded d²/162 value.
Free forever.
Section area × 7,850 kg/m³. Inches are millimetres ÷ 25.4.
Result
Press Calculate.
Result
Press Calculate.
How to use the Bar Diameter Converter
- Enter the diameter in millimetres.
- Read the size in inches.
- Read both weight figures.
Questions
How many inches is 12 mm?
12 ÷ 25.4, about 0.472 inches.
Why are there two weights?
One is the circular area at 7850 kg/m³. The other is d²/162, the rounded table people often use.
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