How many steps do I need?

Enter the total height from finished floor to finished floor. Uses common code limits.

Total rise (in)Stair width (in)

Risers

14 risers

Riser height7.71 in

Treads (10 in deep)13 treads

Total run10 ft 10 in

Stringer length14 ft 1 in

Stringers4 stringers

How to measure

Measure the total height from the finished floor at the bottom to the finished floor at the top.

Tips from the field

Based on a 7 3/4 inch maximum riser and 10 inch minimum tread, common in the residential code.
Buy stringer boards at least 2 feet longer than the stringer length shown.

What you'll need

Stair stringersTreads and risersFraming squareStair gauges

Common questions

What is the maximum stair riser height?

7 3/4 inches in most residential codes, with a minimum tread depth of 10 inches.

How many stringers do I need?

One stringer for every 16 inches of stair width, plus one.

How long should stringer boards be?

At least 2 feet longer than the stringer length to allow for cuts.

Add this calculator to your websiteFree

Contractors, bloggers, and real estate agents can put this calculator on their own site for free. Copy the code below and paste it into any page.

<iframe id="hc-stair-calculator" src="https://housecalcs.com/embed/stair-calculator" title="Stair calculator" width="100%" height="640" style="border:0;max-width:640px" loading="lazy"></iframe>
<p style="font:14px sans-serif">Free <a href="https://housecalcs.com/tools/stair-calculator">stair calculator</a> from HouseCalcs</p>
<script>window.addEventListener("message",function(e){if(e.origin==="https://housecalcs.com"&&e.data&&e.data.hcSlug==="stair-calculator"){var f=document.getElementById("hc-stair-calculator");if(f)f.style.height=e.data.hcHeight+"px"}});</script>

More for trim and molding

Baseboard calculator

How much baseboard do I need?

Crown molding calculator

How much crown molding do I need?

Trim paint calculator

How much trim paint do I need?

Caulk calculator

How many tubes of caulk do I need?

Stair carpet calculator

How much carpet do I need for stairs?

Door casing calculator

How much door casing do I need?

Window casing calculator

How much window casing do I need?

Chair rail calculator

How much chair rail do I need?

Printed from housecalcs.com/tools/stair-calculator