Beam Reinforcement Calculator
Design concrete beam reinforcement and calculate moment capacity based on ACI 318.
Beam Dimensions
in
in
ft
PSI
ksi
ft-kip
Moment Capacity
183.3 ft-kip
Capacity Ratio: 1.22 | OK
Bottom Steel
1.76 sq in
Top Steel
0.88 sq in
Required Steel
1.59 sq in
Total Weight
198 lbs
Min Reinforcement: OK
rho = 0.663% vs rho_min = 0.333%
Ductility Check: OK (Under-reinforced)
rho = 0.663% vs rho_max = 1.806%
Design Summary:
Effective Depth22.13"
Required Bars4 - #6
Provided4 - #6 bottom
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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.