Means of Egress Component Capacity Calculator

Calculate egress component capacity for doors, stairs, corridors, and ramps per IBC 1005 and NFPA 101 Chapter 7

Input Parameters

Results

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Capacity per Component
persons
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Total Component Capacity
persons
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Width Factor Used
in/person
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Code Minimum Width
in
Note: Egress capacity per IBC Section 1005 and NFPA 101 Chapter 7. The required capacity of each egress component must accommodate the occupant load served. When exits converge, downstream capacity must equal or exceed combined upstream loads.

Reference

IBC 1005.1 Egress Width Factors: Stairways: 0.3 in/person (0.2 sprinklered) Other components: 0.2 in/person (0.15 sprinklered) Capacity = Clear width / Width factor IBC Minimum Widths: Door 32 in, Stair 44 in (OL>50), Corridor 44 in, Ramp 44 in NFPA 101 7.3.4.1: Min 36 in for new exits