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Screw Sizing Calculator

Calculate proper screw size for wood thickness and loading.

How thick the material or layer is.
in
How thick the material or layer is.
in
The load or force applied to the system.

Results

Screw Length:
Calculated screw length based on your inputs.
-in
Pilot Hole (softwood):
Calculated pilot hole (softwood) based on your inputs.
-in
Clearance Hole:
Calculated clearance hole based on your inputs.
-in
Recommended Gauge:
Suggested value based on calculations.
-#
Reference: Industry Standards. Screw penetration 2/3 of bottom piece.