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Deck Calculator
x402
Deck Calculator is a paid API for AI agents from construction-calc.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-30).
Calculates decking board count, joist count, and screw quantity for a rectangular deck given its dimensions, board width, gap, joist spacing, and stock length.
Price / call$0.02
Success—
StatusUnknown
How this service works
Decking boards, joist count and screws for a rectangular deck from its size, board width, gap, joist spacing and stock length.
Output
Returns the number of board rows, boards per row, total boards including waste, joist count and length, approximate screw count, total board linear footage, deck area in square feet, stock length used, and a plain-English summary — along with optional disclaimer and degraded-mode flags.
Example use cases
Weekend deck build material list
“I'm planning to build a 20x16 foot deck this weekend. Can you figure out how many decking boards I'll need using 5.5-inch wide boards, 1/8-inch gaps, 16-inch joist spacing, and 16-foot stock lengths with 10% waste?”
Diagonal deck board waste estimate
“I want to lay my deck boards diagonally on a 14x14 foot deck. How many boards and screws will I need if I use 5.5-inch boards with 16-foot stock and bump waste up to 20% for the diagonal cuts?”
Contractor material takeoff for client
“Can you run a material takeoff for a 24-foot by 10-foot rectangular deck? I'll be using 5/4x6 boards (5.5 inches wide), 1/8-inch gaps, joists at 24 inches on center, and buying 16-foot stock with 10% waste — I need the joist count, board count, and screw estimate.”
Technical details
Endpoint
GEThttps://construction-calc.x402tookit.com/deck-calc?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, parameterized material estimate for a standard rectangular deck — specifically when you want board count, joist count, and screw quantity together in one call. Prefer this over manual calculation or generic lumber calculators when you need to account for stock length, gap spacing, and waste percentage simultaneously.
Side effects
- Missing required lengthFt or widthFt parameters returns an error
- Unrealistic dimensions (zero or negative values) may produce nonsensical output
- Very large waste percentages or unusual board widths may yield unexpected board counts
- Network or service unavailability returns a non-200 response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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