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