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.
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How to use the Bar Diameter Converter
- 1Enter the diameter in millimetres.
- 2Read the size in inches.
- 3Read 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.