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Egress Window Size Calculator — IRC Code Requirements

Enter window opening dimensions to verify if they meet IRC egress requirements for minimum opening height, width, area, and sill height.

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❌ Does Not Meet IRC Requirements
Net Opening Area
Required: 5.7 sq ft minimum
3.33 sq ft
❌ Fail
Clear Opening Height
Required: 24" minimum
24
✅ Pass
Clear Opening Width
Required: 20" minimum
20
✅ Pass
Sill Height from Floor
Required: 44" maximum
42
✅ Pass
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How to Use This Egress Window Calculator

  1. Enter window dimensionsNet opening height and width.
  2. View code checkPass/fail each requirement.

Common Use Cases

  • Construction
  • Home improvement
  • Safety
  • Renovation

Frequently Asked Questions

This tool is for informational purposes only. Read our disclaimer.

Need help with this tool? help@bodhins.com

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