Cover Calculator
Calculate minimum concrete cover requirements for reinforcement per ACI 318.
Cover Parameters
in
Cover Check
OK
1.5" provided vs 1.50" required
Min Cover Required
1.50"
Margin
0.00"
Fire Rating
2 hours
Bar Diameter
0.625"
Cover Requirements (ACI 318):
ConditionBeams, columns, members
Table Minimum1.50"
Bar Diameter Min0.625"
Clear to Main Bars2.19"
Effective Minimum1.50"
ACI 318-19 Reference
Cover requirements per ACI 318-19 Table 20.5.1.3.1. Additional cover may be required for fire resistance or durability. Cover is measured from concrete surface to outermost reinforcement.
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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.