Concrete Calculator

Concrete Calculator — Estimate Concrete Volume, Bags, Mix Ratios & Cost for Any Project Pour with confidence. Concrete Calculator is a fast, offline estimating tool for contractors, masons, builders, engineers, and DIY homeowners. Enter your dimensions, select your project type, and instantly get concrete volume, bag counts (60/80/90 lb), cement-sand-aggregate mix ratios, and total material cost. Stop guessing and start building. KEY FEATURES COMPREHENSIVE SHAPE SUPPORT Calculate concrete for slabs, footings, columns, stairs, curbs, and more. Supports rectangular, circular, and irregular shapes. Enter length, width, and thickness in feet/inches or metric units for accurate volume every time. BAG COUNT & MIX RATIO Get exact bag counts for 60 lb, 80 lb, and 90 lb concrete mixes. Calculate cement, sand, and aggregate quantities for custom mix ratios (1:2:3, 1:3:3, etc.). Includes waste factor customization to account for spillage and uneven subgrades. COST & MATERIAL ESTIMATE Enter price per bag or per cubic yard, plus labor cost per project. See material cost, labor cost, and total project cost separately. Long labels display cleanly, and values are sized to fit large numbers without truncation. CALCULATE & CLEAR BUTTONS Enter your values, tap Calculate to see results, and use Clear to reset. A clean, simple interface designed for job site use. INTERACTIVE SLAB VISUALIZER Visualize your slab, footing, or column as you adjust dimensions. Verify measurements before ordering concrete. HISTORY & EXPORT Save calculations to History. Search and filter your list. Share text summaries, export PDF reports in your selected app language, and delete entries with individual confirmation. SETTINGS Switch units, currency (USD, CAD, EUR, CHF, FCFA, GBP, and more), language (EN, FR, ES, AR, ZH), and theme mode (System / Light / Dark — Dark is default). About Us, privacy policy, terms, and contact links included. BUILT FOR THE JOB SITE • Works offline — no internet required for calculations • No sign-up required — start calculating immediately • Responsive layout for phones and tablets • Dark mode by default with high-contrast text for low-light conditions • Clean, readable UI with clear borders for outdoor use WHO IS IT FOR? Concrete contractors, masons, general builders, civil engineers, estimators, real estate professionals, and DIY homeowners planning driveways, patios, foundations, sidewalks, garage floors, and shed slabs. WHY CHOOSE THIS APP? Accurate concrete volume and bag estimates, fast mix ratio calculations, transparent material and labor costing, multilingual PDF reports, and a clean interface that handles long numbers and multiple units. ABOUT KOCHI DIGITAL Kochi Digital builds minimalist, high-performance construction and real estate calculators. Explore more at kochidigital.com. Official website: https://kochidigital.com/apps/concretecalculator/ Construction calculators: https://volumesolver.com/construction-calculators/ Download Concrete Calculator now and get a reliable estimate — volume, bags, mix ratios, materials, labor, and total cost — before you order concrete.