Materials and layout maths for concrete, paint, stairs, roofs, lumber, tile, drywall, fences and decks.
payments ON MAINNET (real money) · 10 live endpoints
| Endpoint | Price | What it answers |
|---|---|---|
GET /board-feet | $0.02 | Board feet for lumber from thickness, width, length and quantity (nominal sizes), with total cost at a price per board foot. |
GET /bulk-material | $0.02 | Cubic yards and approximate tons of gravel, sand, topsoil, mulch or compost to cover an area at a given depth. |
GET /concrete-volume | $0.02 | Concrete for a slab: cubic yards with waste, ready-mix order size and the number of 40, 60 or 80 lb bags of mix. |
GET /deck-calc | $0.02 | Decking boards, joist count and screws for a rectangular deck from its size, board width, gap, joist spacing and stock length. |
GET /drywall-calc | $0.02 | Drywall sheets for a room's walls and ceiling (4x8, 4x10 or 4x12), with waste, screw count and approximate weight. |
GET /fence-calc | $0.02 | Posts, rails and pickets for a straight fence from its length, post spacing, picket width and gap. |
GET /paint-coverage | $0.02 | Gallons of paint for a room from its size, doors, windows and coats; optional ceiling. Rounds up to the quart. |
GET /roof-pitch | $0.02 | Convert roof pitch (rise per 12), angle or percent slope; get the rafter length multiplier and roof area factor. |
GET /stair-calc | $0.02 | Stair layout from total rise: number of risers, exact riser height, total run, stringer length, angle and a code check. |
GET /tile-calc | $0.02 | Tiles needed for a floor or wall from area or room size, tile size, grout gap and waste, plus boxes if you give tiles per box. |
GET /catalog returns this list as JSON. Activity hub · uptime.
Estimates from standard formulas and typical coverage rates. Real jobs need allowances for site conditions; building codes vary by place and edition. Not engineering, structural or code-compliance advice: confirm with the product label, a supplier and your local building department. Every paid response carries a disclaimer field.