Free to lay out. $3 to plan the whole stair.
Everything you need to mark and cut a stringer is free. The 7-Day Build Pack Pass ($4.99 · Early Launch Price) turns the same numbers into a job sheet for the whole stair.
Stringer layout
Free
- Live layout: riser, tread, pitch, throat, drop and cut length
- Board drawing with the framing square stepped notch by notch
- Side view and a 3D model of the finished stair
- Code and comfort hints (IRC limits, stride, throat)
- Marking points along the top edge, notch by notch, in 1/16 in and mm
- 1:1 printable marking template on US Letter or A4, with a tile map, print check and alignment crosses
7-Day Build Pack Pass
$9.99 $4.99 Early Launch Price · Save 50% · 7-day pass, no subscription
- How many stringers your stair width needs, and their spacing
- Cut list for every stringer, tread and riser board, with tread boards matched to the drop
- Tread rip widths: how many full boards per step and what to rip the back board to
- A dimensioned stringer pattern (rise, run, drop, throat, pitch) with running marks, and a plan view of where each stringer goes across the stair
- Lumber cutting plan: which board length to buy and how many stringers each board yields, plus the tread layout and how many tread pieces come out of each board
- Shopping list with quantities and an estimated cost
- One printable job sheet PDF with the marking sequence and code hints
- Unlimited downloads for 7 days: change the rise, width or boards as often as you like
What the build pack contains
This is the real output for a 36 in deck with 48 in of run and a 36 in wide stair.
4 stringers at 12 in on center · estimated $295.00 in materials
| Part | Qty | Length | Notes |
|---|---|---|---|
| Stringer | 4 | 59 3/16″ | 4 notches: 7 3/16″ rise × 12″ run; drop the bottom 6 3/16″ |
| Tread board | 12 | 37″ | 5/4x6 decking, 3 per step: 2 full + 1 ripped to 1 1/2″ (back board), 1/4″ gaps, 1″ nosing |
| Riser board | 4 | 37″ | Rip to 7 3/16″ tall (bottom one to 6 3/16″) |
| Shopping list | Qty | Est. |
|---|---|---|
| 2x12 × 6 ft, pressure-treated | 4 boards | $102.00 |
| 5/4x6 decking tread boards × 8 ft | 6 boards | $57.00 |
| 1x8 riser boards × 8 ft | 2 boards | $20.00 |
| Stringer-to-rim connectors (e.g. Simpson LSCZ) | 4 each | $18.00 |
| Structural screws for connectors, 1 box | 1 box | $38.00 |
| Exterior deck screws, 5 lb box | 1 box | $32.00 |
| Concrete paver or pad for the stringer feet | 4 each | $28.00 |
Questions
Do I need an account?
No. Pay with Stripe and the build pack unlocks in this browser for 7 days. Nothing to sign up for.
What if my measurements change?
Download as many build packs as you need for 7 days. Most people run the numbers again after the landing pad is poured.
Can I get a refund?
Yes. If it did not help, email contact@stairstringerlayout.com within 14 days and we refund the full amount.
Are the prices in the shopping list real?
They are typical US big-box prices for pressure-treated lumber and hardware, so you can budget. Your local yard will differ.
Payments are processed by Stripe. Prices are in USD. Applicable taxes are calculated at checkout. See the refund policy.