Civil Site Calculator

Civil Site Calculator — Field Tools for the Job Site Unlock the full Field Engineer Pack for just $0.99 — a one-time purchase, no subscription, works forever. Whether you're a licensed engineer, contractor, or homeowner tackling a site project, Civil Site Calculator puts professional-grade calculations in your pocket. Fast, accurate, and built for real field conditions. FREE CALCULATORS — NO PURCHASE NEEDED Get started immediately with these free tools: - Percent Grade Calculator - Rise / Run Converter - Ramp Slope Checker (ADA) - Parking Space Count (ADA/ADAAG) - Impervious Surface % - Cut & Fill Estimator - Wall Height / Permit Flag - Area Converter FIELD ENGINEER PACK — $0.99 UNLOCKS 24 MORE Stormwater & Drainage: Rational Method, Manning's Pipe Flow, Time of Concentration, Detention Pond Volume, Culvert Sizing, Sediment Basin, Curve Number (CN) Earthwork & Grading: Cut & Fill by Cross-Section, Soil Swell/Shrink, Truck Load Estimator, Finished Floor Elevation, Minimum Drainage Slope Lot Coverage & Zoning: Floor Area Ratio, Buildable Area, Lot Coverage Checker Retaining Walls & Foundations: Surcharge Load Estimator, Bearing Capacity Estimator Pavement & Materials: Asphalt Tonnage, Aggregate/Stone Base, Concrete Volume, Pavement Cross-Section Unit Conversions: Volume Converter, Length/Elevation Converter ADA Compliance: Cross-Slope Checker BUILT FOR THE FIELD - Imperial and metric units — toggle in Settings - Search across all 32 calculators instantly - Star your most-used calculators as Favorites for one-tap access - Share results instantly via Messages, Email, or Notes - Works offline — no internet required - Clean, fast interface designed for use on a job site WHO USES THIS APP For engineers, contractors, homeowners, municipal staff, and landscape architects. DISCLAIMER: Results are for estimation purposes only and must not be used for construction or permitting without verification by a licensed professional engineer. No engineer-client relationship is created by use of this app. Developed by TM Engineering & Design — New Jersey licensed civil engineering.