--- title: "Stud Calculator | Lumber & Framing Calculator | XTRAW Tools" description: "Calculate number of wall studs needed for a framed wall. Use this free browser-based calculator from XTRAW Tools for lumber, board-foot, stud, plywood, and framing material estimates." url: "https://xtraw.com/calculators/construction-home-calculators/construction-calculators/stud-calculator" date: "2026-05-20T21:55:59+00:00" language: "en-GB" --- [Wallpaper Calculator](https://xtraw.com/calculators/construction-home-calculators/construction-calculators/wallpaper-calculator)[Air Changes Per Hour Calculator](https://xtraw.com/calculators/construction-home-calculators/construction-calculators/air-changes-per-hour-calculator) [![Stud Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/xtraw-stud-calculator-360x360.jpg)](https://xtraw.com/images/virtuemart/product/xtraw-stud-calculator-360x360.jpg "Stud Calculator from XTRAW Tools") new [Back to: Construction Calculators](https://xtraw.com/calculators/construction-home-calculators/construction-calculators "Construction Calculators") # Stud Calculator Calculate number of wall studs needed for a framed wall. Use this free browser-based stud calculator from XTRAW Tools. **Stud Calculator** helps you calculate number of wall studs needed for a framed wall. Use this free browser-based calculator from XTRAW Tools to compare inputs, estimate results, and plan your next step. ## How to Use the Stud Calculator 1. Enter the required calculator inputs shown in the form. 2. Review the area, coverage, spacing, pitch, slope, thickness, roll, panel, lumber, joist, post, concrete, or waste assumptions. 3. Run the calculator, then adjust one input at a time to compare scenarios or check your estimate. ## What This Calculator Helps With Calculate number of wall studs needed for a framed wall. It is designed for contractors, homeowners, builders, remodelers, roofers, framers, deck builders, fence installers, DIY users, and construction planners who want a fast browser-based estimate before relying on supplier charts, contractor estimates, engineering plans, or professional sources. - Wall Length: 20 ft - Stud Spacing: 16 in - Extra for Corners / Openings: 10% ## Common Uses People use this calculator when they need a quick way to estimate lumber, board feet, studs, plywood, sheathing, and framing materials. - **Material Estimating:** Estimate material quantities, waste factors, rolls, panels, bags, board-feet, sheets, posts, concrete, rafters, or linear feet before ordering supplies. - **Measurement:** Use dimensions, surface area, spacing, thickness, slope, pitch, coverage, openings, and project measurements to calculate a practical result. - **Budgeting:** Support rough cost planning by estimating quantities before comparing supplier prices or contractor quotes. - **Project Planning:** Plan job scope, materials, order quantities, construction assumptions, and home-improvement work before starting a project. ## Formula or Method Studs = ⌈wall length / spacing⌉ + 1 (end stud) ## Example **Example inputs:** Wall Length: 20 ft; Stud Spacing: 16 in; Extra for Corners / Openings: 10% **Example result:** Using the default inputs, estimated wall studs including extra allowance are 18. ## Related Tools - [Lumber Calculator](https://xtraw.com/tools/lumber-calculator) - [Board Foot Calculator](https://xtraw.com/tools/board-foot-calculator) - [Plywood Calculator](https://xtraw.com/tools/plywood-calculator) - [Deck Board Calculator](https://xtraw.com/tools/deck-board-calculator) - [Deck Joist Calculator](https://xtraw.com/tools/deck-joist-calculator) ## Stud Calculator FAQ ### Is the Stud Calculator free? Yes. This calculator is free to use on XTRAW Tools. ### Do I need to create an account? No. XTRAW tools are designed for browser-based use without requiring an account. ### Are the results exact? Results may be estimates depending on the inputs, formula, rounding, project assumptions, waste factor, coverage rate, material density, supplier specifications, and purpose of the calculator. Always verify important results before relying on them. **Disclaimer:** This calculator is provided for general informational, educational, and convenience purposes only. It is not construction, engineering, safety, building-code, structural, roofing, framing, contractor, supplier, legal, financial, or professional advice. Always verify important results with a qualified professional, contractor, engineer, supplier, manufacturer documentation, local code authority, or authoritative source before making decisions. **Related Products** ![Tooltip]() [![Lumber Calculator from XTRAW Tools](https://xtraw.com/images/virtuemart/product/resized/xtraw-lumber-calculator-360x360_230x230.jpg) Lumber Calculator](https://xtraw.com/calculators/construction-home-calculators/construction-calculators/lumber-calculator "Lumber Calculator") Calculate total linear feet and board feet of dimensional lumber needed. Use this free browser-based lumber calculator from XTRAW Tools. 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