Engineering & Construction
Rebar Weight Calculator
Calculate rebar weight from diameter, length and the number of bars.
Free forever.
Section area × 7,850 kg/m³. The d²/162 table is the same density, rounded.
Result
Press Calculate.
Result
Press Calculate.
How to use the Rebar Weight Calculator
- Enter the bar diameter in millimetres.
- Enter the length of one bar and how many bars you have.
- Read kilograms per metre and the total weight.
Questions
How much does a 12 mm bar weigh?
0.888 kg per metre at 7850 kg/m³. Ten bars of 12 m weigh about 106.6 kg.
Does this include laps?
No. The length you enter is the length that is weighed. Add lap and hooks before you type the length, or use the cutting-length calculator.
This runs entirely in your browser. Nothing you type is sent to a server.