Masonry Lintel Calculator
Calculate loads, required moment, steel angle size, bearing length, and deflection for a masonry lintel over an opening.
Inputs
ft
in
ft
pcf
sq ft
psf
Results
Total Load on Lintel
320 lbs
Required Moment160 ft-lbs
Steel Angle Size1 (1=L3x3, 2=L3.5x3.5, 3=L4x3.5, 4=L5x3.5)
Min Bearing Length4 in
Estimated Deflection0.01 in
How to Use This Calculator
- Enter the opening span in feet (clear distance the lintel must bridge).
- Set the wall thickness in inches.
- Enter the wall height above the opening to determine superimposed load.
- Review the minimum steel angle or precast lintel size for the span.
- Have a structural engineer confirm the lintel design for load-bearing applications.
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