Corner stud count calculator

You enter corner and tee counts, optionally override the default three-stud corner and two-stud tee packs, and receive corner_studs, tee_studs, and total_studs with a stable formula string. The browser tool runs free on your device; prepaid API calls cost $0.002 per successful item when estimating apps need the same deterministic contract.

Count outside corners and interior tee intersections on the plan

Walk the floor plan and mark every outside corner where two walls meet at an L, and every place an interior partition butts a through wall as a tee (T-intersection). If two walls share a corner stud in the field, still count that corner once here and let your material list deduplicate only when you intentionally merge cut lists. Consistent counting across revisions is what keeps purchase orders honest when the architect adds a closet partition or removes a jog. Send the outside corner count as corners; accepted aliases include outside_corners, corner_count and l_corners for spreadsheet column headers that prefer those names. Send the tee count as tees; aliases tee_count, intersections, t_intersections and interior_tees cover common takeoff labels. Both fields are required non-negative integers: zero is valid when a simple straight wall has no corners or tees in this line item, but negative values, non-integers, empty strings and missing fields fail with invalid_input and are not billed. Extremely large counts above the published maximum are rejected so integer multiplies stay stable on a Worker isolate. Do not invent corners from wall length alone—this endpoint does not measure plates or on-center spacing; it only multiplies the assemblies you already counted.

How studs_per_corner, studs_per_tee, and total_studs are computed

Each outside corner is treated as a stud pack: corner_studs equals corners multiplied by studs_per_corner. The default studs_per_corner is three, matching traditional three-stud outside corners used widely in residential wood framing. Set studs_per_corner to two when your crew uses California corners or other advanced-framing two-stud corner details that leave a continuous insulation cavity. Each interior tee uses studs_per_tee studs for backup and attachment; the default is two, and you may raise it to three when the shop standard packs three studs at every partition intersection. tee_studs equals tees times studs_per_tee; total_studs is the sum of corner_studs and tee_studs. Both optional factors must be integers from one through six inclusive; values outside that range, non-integers, or non-finite numbers raise invalid_input. The response echoes the four inputs (with defaults filled), the three computed counts, method always equal to corners_and_tees, and a formula string restating total equals corners times studs_per_corner plus tees times studs_per_tee. Identical inputs always produce identical JSON because the path is pure integer arithmetic with no network, random seed or wall clock. This capability does not count linear on-center studs along a plate—that is a separate wall-run problem—and it does not size headers, plates, cripples, fire blocking or king and jack studs at openings.

API usage, pricing, framing workflows, and practical limits

Call the free in-browser corner stud count calculator for quick site estimates, lumber-yard kiosks and contractor whiteboards without standing up a spreadsheet. POST a JSON body with corners and tees, plus optional studs_per_corner and studs_per_tee when defaults do not match your framing standard. Use the prepaid API when a renovation app, quantity-takeoff pipeline, modular home configurator or estimating tool needs a stable contract under KIT balance at $0.002 per successful item; validation failures never consume balance after the engine rejects the request. Pair this endpoint with a wall stud calculator that takes plate length and on-center spacing so your full stud line is base run studs plus these corner and tee packs. Remember that shared corners between perpendicular walls may share a physical stud in the field—if your material list already deduplicates corners, post-process total_studs rather than double-counting across adjacent wall takeoffs. Authors shipping SDKs can map total_studs into purchase orders while showing corner_studs and tee_studs as explanatory detail for the estimator and inspector.