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Rebar Calculator

Slabs, footings, walls, columns, and beams. Bar schedule with linear metres, weight, and lap allowances per bar size.

Standard: 40× diameter (e.g. 10 mm bar = 400 mm lap). Structural: 50×.
Standard UK stock lengths: 6 m or 12 m. Used to calculate number of full bars to order.

Structural Elements

Job Costing (optional)

Results

Total Linear Metres
-
metres (inc. laps & waste)
Total Weight
-
kg
Total Bars
-
@ 12 m stock
Elements
-
scheduled

Element Breakdown

ElementTypeDescriptionLM (net)LM (inc. laps+waste)Weight (kg)

Bar Schedule - by Diameter

Bar dia.Weight/mNet LMWith laps+wasteWeight (kg)Stock bars (@ 12 m)