Windows & Doors Calculators

Estimate window area and count, door rough openings, garage door sizing, and egress window code requirements.

Calculate total window area, number of windows, and glass area based on room size and window-to-floor ratio for daylighting.

Calculate rough opening width and height, plus door area, for interior and exterior doors based on slab dimensions.

Calculate garage door area, estimated cost, and track length for sectional, roll-up, and tilt-up garage doors.

Calculate minimum egress opening area, clear width, and sill height per IRC code for basement and first-floor bedrooms.