AWI Shelf Span Calculator

Load
Deflection
MOE
Thickness
Span

Calculator
(Solving for Load)

Deflection
(in decimal inches)
Modulus of Elasticity
(in PSI)
Thickness
(in decimal inches)
Span of Shelf
(in decimal inches)
Calculate
Reset
Linear Uniformly-Distributed Load (in pounds per square foot)
This calculator is provided for ease of reference and convenience. The values produced by this calculator should not be used without independent calculation and verification.
Load
Deflection
MOE
Thickness
Span

Calculator
(Solving for Deflection)

Linear Uniformly-Distributed Load
(in pounds per square foot)
Modulus of Elasticity
(in PSI)
Thickness
(in decimal inches)
Span of Shelf
(in decimal inches)
Calculate
Reset
Deflection (in decimal inches)
This calculator is provided for ease of reference and convenience. The values produced by this calculator should not be used without independent calculation and verification.
Load
Deflection
MOE
Thickness
Span

Calculator
(Solving for Modulus of Elasticity)

Linear Uniformly-Distributed Load
(in pounds per square foot)
Deflection
(in decimal inches)
Thickness
(in decimal inches)
Span of Shelf
(in decimal inches)
Calculate
Reset
Modulus of Elasticity (in PSI)
This calculator is provided for ease of reference and convenience. The values produced by this calculator should not be used without independent calculation and verification.
Load
Deflection
MOE
Thickness
Span

Calculator
(Solving for Thickness)

Linear Uniformly-Distributed Load
(in pounds per square foot)
Deflection
(in decimal inches)
Modulus of Elasticity
(in PSI)
Span of Shelf
(in decimal inches)
Calculate
Reset
Thickness (in decimal inches)
This calculator is provided for ease of reference and convenience. The values produced by this calculator should not be used without independent calculation and verification.
Load
Deflection
MOE
Thickness
Span

Calculator
(Solving for Span of Shelf)

Linear Uniformly-Distributed Load
(in pounds per square foot)
Deflection
(in decimal inches)
Modulus of Elasticity
(in PSI)
Thickness
(in decimal inches)
Calculate
Reset
Span of Shelf (in decimal inches)
This calculator is provided for ease of reference and convenience. The values produced by this calculator should not be used without independent calculation and verification.

About this Calculator

This calculator may determine the load, deflection, MOE, thickness, or span of an adjustable shelf by selecting the desired output variable, filling in the input variables, and selecting “calculate."

AWI Standards allow a calculated deflection for adjustable shelves at 6.4 mm [.250"] based on the following formula:

L = (DEt3) / (0.1563s4) ∗ 144
where:
L = lbs/SF of linear uniformly distributed load
D = deflection (inches)
E = MOE (psi)
t = thickness (inches)
s = span of shelf (inches)