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Tons of Steel to Linear Meters Converter

Convert weight of construction steel to length. Database includes standard Rebar (6-40mm), I-Beams, and Channels using ISO/ASTM densities.

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Weight per Meter: -- kg/m
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About

Purchasing managers buy steel by the ton, but site engineers install it by the meter. This disconnect requires precise conversion to ensure the delivered truckload contains enough linear length to complete the structural framing or reinforcement schedule.

This tool uses the theoretical unit mass of steel (≈ 7850 kg/m³) derived into linear density (kg/m) for specific profiles. It covers standard reinforcement bars, I-beams (IPE), and Parallel Flange Channels (PFC).

rebar calculator steel estimation linear weight construction material

Formulas

The length is calculated by dividing total mass by the linear density (weight per meter) of the specific profile.

L = Wtotalwlinear

Where Wtotal is in kg (converted from tons) and wlinear is in kg/m.

Reference Data

Profile TypeSize / DesignationWeight (kg/m)Length per Ton (m)
RebarØ 6mm0.2224,504.50
RebarØ 8mm0.3952,531.65
RebarØ 10mm0.6171,620.75
RebarØ 12mm0.8881,126.13
RebarØ 16mm1.580632.91
RebarØ 20mm2.470404.86
RebarØ 25mm3.850259.74
RebarØ 32mm6.310158.48
IPE BeamIPE 1008.100123.46
IPE BeamIPE 20022.40044.64

Frequently Asked Questions

Yes, rebar weights are derived from the density of steel (7850 kg/m³) and the nominal diameter area. ISO, ASTM, and BS standards generally align on these theoretical weights.
No. Steel mills have a manufacturing tolerance (typically +/- 3-5%). You may receive slightly more or fewer meters than the theoretical calculation depending on the actual thickness of the batch.
This tool calculates one profile size at a time. For mixed loads, calculate each diameter separately and sum the lengths.