Basic Stair Estimator

Calculate stair dimensions, materials, and costs with UK-style compliance checking

Stair Dimensions
Enter your stair requirements and design preferences

Basic Dimensions

Design Preferences

Design Limits

Material Settings

About this calculator

Basic Stair Estimator: A stair-planning calculator for rise, run, and core geometry checks.

How it works

  • Enter total rise, target run, and stair constraints.
  • The calculator splits the rise into practical riser counts.
  • It returns tread depth, stringer dimensions, and summary measurements.