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Rebar Calculator

T28 Reinforcing Bar

Eurocode metric reinforcing bar — diameter 28.0 mm (1.102 in), cross-sectional area, mass per metre, and standard spacing options.

Diameter
28.0 mm
Area
615.8 mm²
Perimeter
88.0 mm
Mass per metre
4.834 kg/m

Area per metre width at common spacings

For slab or wall reinforcement specified as “T28@ spacing c/c” — the area provided per unit width at each standard centre-to-centre spacing.

SpacingAs (mm²/m)
T28 @ 100mm c/c6158
T28 @ 125mm c/c4926
T28 @ 150mm c/c4105
T28 @ 175mm c/c3519
T28 @ 200mm c/c3079
T28 @ 250mm c/c2463
T28 @ 300mm c/c2053

Equivalent options at 150mm spacing

Every metric bar size at the same reference spacing, so you can see at a glance which other size lands near the same area per unit width as T28.

BarAs (mm²/m)
T6188
T8335
T10524
T12754
T141026
T161340
T202094
T253272
T28 (this bar)4105
T325362
T408378
T5013090

Area and mass are computed directly from the nominal diameter (mass assumes standard steel density, 7850 kg/m³) — the same values the Rebar Calculator uses.

Open T28 in the Rebar Calculator →