Development Length Calculator
Calculate rebar development length for tension and compression per ACI 318 requirements.
Development Parameters
PSI
ksi
in
in
Development Length (Tension)
22"
1.83 ft | 29 db
Compression ld
15"
Hook Length ldh
15"
Bar Diameter
0.750"
Confinement
2.00
Modification Factors:
Psi_t (Location)1.00
Psi_e (Coating)1.00
Psi_s (Size)0.80
Lambda (Concrete)1.00
Combined Factor1.00
ACI 318-19 Reference
Development length calculated per ACI 318-19 Section 25.4. Tension: Eq. 25.4.2.4a. Compression: Section 25.4.9. Hooked bars: Section 25.4.3.