How the estimate is calculated
Mass = cross-sectional area × length × material density × quantity. Hollow profiles subtract the inner area from the outer area before volume is calculated.
YunFanLabsChoose a common stock profile or enter a custom density, then calculate estimated mass without creating an account. The calculation keeps geometry, unit conversion, and density visible so the result can be checked.
Enter the dimensions, then calculate to see a checkable result.
Estimate only:Verify critical dimensions, density, load limits, and purchased weight with the drawing, supplier, and a qualified professional.
02 / Method & limits
Mass = cross-sectional area × length × material density × quantity. Hollow profiles subtract the inner area from the outer area before volume is calculated.
A 1 m long steel bar uses its selected cross-section to determine volume; that volume is multiplied by the selected density and quantity. The calculator shows both the per-piece and total estimate.
Last reviewed: 2026-07-19