Rebar Calculator
Calculate the amount of rebar needed for your concrete project
Slab Details
Results
Slab Area
200.00 sq ft
Rebar Grid
11 × 21 bars
Total Rebar Needed
22 bars
430.00 linear feet (20' bars)
Total Weight
287.24 lbs
Rebar Ties Needed
231 ties
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.