Handrail Height Calculator
Determine minimum and maximum handrail heights for stairs and ramps based on stair type and building code.
How to Use the Handrail Height Calculator
- Select the stair type (residential, commercial, or industrial).
- Indicate whether the application is a ramp.
- Click Calculate to see code-compliant height range and code reference.
Use Cases
- •Ensuring building code compliance for new stair installations.
- •Checking existing handrail heights during renovation.
- •Accessibility compliance for public buildings.
- •Industrial safety planning.
Formula
Handrail height is measured vertically from the stair nosing or ramp surface to the top of the handrail.
Frequently Asked Questions
What is the standard handrail height?
Residential stairs typically require 900–1000 mm; commercial stairs 1065–1200 mm per IBC 1014.2.
Does the height change for ramps?
Yes, ramps generally require handrails to be 50 mm higher than equivalent stairs.
Is it free?
Yes, all calculators on OhMyCalc are completely free.