Door Leaf Width Calculator

Calculate door leaf width and clear opening requirements per IBC 1010.1.1 and ICC A117.1

Input Parameters

Results

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Required Clear Width
in
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Nominal Door Width
in
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Clear Opening (ADA)
in
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Max Single Leaf Width
in
Note: Door width per IBC 1010.1.1. Clear opening measured between face of door at 90 degrees open and stop on strike side. Pair of doors: at least one leaf must provide 32 in clear. Max door closer effort: 5 lbf per IBC 1010.1.3.

Reference

IBC 1010.1.1: Min 32 in clear opening for egress doors IBC 1010.1.1: Max 48 in single leaf width ICC A117.1 Sec 404.2.3: Min 32 in clear opening for accessible doors Clear opening = Nominal width - 1.75 in (stop + hinge) Egress width = Occupant Load x width factor (0.15 sprk / 0.2 non-sprk)