Mechanics
Required section modulus
Calculates required section modulus from bending moment and allowable stress.
Related calculators
Allowable beam moment
Calculates allowable bending moment from allowable stress and section modulus.
Beam bending stress
Calculates bending stress from bending moment and section modulus.
Required moment of inertia - center load
Calculates required second moment of area for a deflection limit on a simply supported beam.
Beam deflection limit ratio
Calculates allowable deflection from span and limit ratio, plus utilization, margin, and pass flag.
Beam UDL maximum deflection
Calculates the maximum deflection of a simply supported beam under uniform load.
Beam UDL maximum moment
Calculates the maximum bending moment of a simply supported beam under uniform load.