Stair calculator
Stair calculator with a to-scale diagram. Enter total rise to get risers, riser height, treads, stringer length and an IRC check: 7¾ in max riser, 10 in tread.
Related calculators
Rafter calculator
Rafter calculator for gable roofs: enter span, pitch and overhang for run, rise, rafter length and boards. A 24 ft span at 6/12 takes 16 ft 2x8s.
Coming soon
Pages being written for this section.
- Floor joist spacing
- Stud spacing
- Stair dimensions
- Handrail height
- Railing height
- Deck joist spacing
- Closet rod height