Deck Calculator & Material Planner
Deck boards, framing lengths, footings and fixings from your chosen layout.
Project estimate
Deck Planner
$2,859–$3,288
Material estimate + optional reserve · USD
- Deck area
- 192 ft²
- Joists
- 13
- Footings
- 4
- Working time allowance
- 2.09 days
33.5 person-hours / 2 people / 8 h per day. Provisional activity rates; adjust in advanced options.
Excludes labor, tax, delivery, equipment rental, permits and site work. Sample prices are not live retailer quotes. Upper budget includes 15% contingency.
Cost breakdown
- Lumber
- $1,312
- Concrete
- $147
- Hardware
- $352
- Railing
- $1,000
- Stairs
- $48
Shopping list
0 / 11 checkedWhole packages rounded up. Edit a unit price to use your supplier's quote.
Lumber
Deck boards
29 boards
Stock count per row; joints need supporting framing.
$522$18 per boards
Joist lumber
172 ft
$430$3 per ft
Beam lumber (two plies)
36 ft
$108$3 per ft
Rim / ledger lumber
56 ft
$140$3 per ft
Posts
4 posts
$112$28 per posts
Concrete
80 lb footing concrete
21 bags
$147$7 per bags
Hardware
Post bases and caps
4 sets
$152$38 per sets
Joist connectors
26 pieces
$104$4 per pieces
Deck screws (350 count)
3 boxes
$96$32 per boxes
Railing
Railing assemblies
40 ft
$1,000$25 per ft
Stairs
Stair tread boards
4 pieces
$48$12 per pieces
Save this project
Saved on this browser only. No account required.
Assumptions & project notes
- Material allowance: 10%. Package sizes and coverage rates are editable in the inputs.
- This is a quantity takeoff, not structural sizing. Member sections, support spacing, connections, soil bearing and footing dimensions must come from an approved design. Defaults are illustrative.
- The selected decking price multiplier is applied to decking only. Board counts preserve row cuts rather than dividing total area by stock area.
- Check final dimensions, product specifications and any required local approvals before ordering.
Tools & preparation
- Tape measure and framing square
- Level and layout string
- Drill / driver and specified bits
- Suitable saw and clamps
- Footing excavation and concrete tools where required
A preparation list; confirm installation tools with your selected products.
Reference material
How to use the deck planner
Start with length, width, deck board material, support layout. The result includes deck area, joists, footings. Open advanced options to match your product sizes, material allowance and labor expectations.
1. Measure and specify
Measure the footprint, finished levels and access; settle the structural design before choosing member sizes.
2. Adjust the estimate
Match board widths, spacing, stock lengths and connections to the approved layout.
3. Prepare your order
Lay out cuts and supports, then confirm the material list with the timber and hardware supplier.
4. Plan the work
Plan foundations, framing, weather protection and final inspection in the order required by the design.
Frequently asked questions
What does the deck planner estimate?+
Deck boards, framing lengths, footings and fixings from your chosen layout. The shopping list includes deck boards, joist lumber, beam lumber (two plies), rim / ledger lumber, posts, 80 lb footing concrete, post bases and caps, joist connectors, deck screws (350 count), railing assemblies, stair tread boards.
Which assumptions should I check?+
This is a quantity takeoff, not structural sizing. Member sections, support spacing, connections, soil bearing and footing dimensions must come from an approved design. Defaults are illustrative. The selected decking price multiplier is applied to decking only. Board counts preserve row cuts rather than dividing total area by stock area.
Are the prices current supplier quotes?+
No. Initial unit prices are illustrative USD budgeting inputs. Enter a price beside each material to use your own quote. The total includes materials only; labor, shipping, taxes, permits and rental are excluded.
Can I save or share my project?+
Save stores the inputs and prices on this browser. Share link includes the configuration in the address so another device can reopen it. Download CSV exports the shopping list, and Print / PDF opens your browser’s print dialog.