One-Way Slab Calculator
Design one-way reinforced concrete slabs with flexural and shear calculations per ACI 318.
Slab Parameters
Required Reinforcement
0.240 in²/ft
rho = 0.191% | d = 5.00"
Thickness
OK
Shear
OK
Deflection
OK
Design Moments (kip-ft/ft)
+M midspan
1.746
-M exterior
2.540
-M interior
2.540
Bar Spacing Options (in o.c.)
#3
5.5"
#4
10.0"
#5
15.5"
#6
18.0"
Factored Load
194.0 psf
Min Thickness
5.14"
Shear Check
Vu = 1.164 kips < phi*Vc = 5.692 kips
ACI Moment Coefficients
| Condition | +M (midspan) | -M (exterior) | -M (interior) |
|---|---|---|---|
| Simply Supported | wL²/8 | 0 | 0 |
| One End Continuous | wL²/14 | wL²/24 | wL²/10 |
| Both Ends Continuous | wL²/16 | wL²/11 | wL²/11 |
| Cantilever | 0 | wL²/2 | 0 |