# Civil Site Calculator — Professional site calculations > Professional site calculations (iPhone/iPad app by THOMAS STEVEN MOLNAR.) - Source: https://appshunter.io/ios/app/civil-site-calculator/id6762536806 (this page in markdown: same URL + `.md`) - Developer: [THOMAS STEVEN MOLNAR](https://appshunter.io/developer/1894575965) - Category: Utilities, Productivity - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 15.1 · 34 MB - Languages: American English - Released: 2026-04-24 - Data updated: 2026-08-21 - User reviews in markdown: https://appshunter.io/ios/app/civil-site-calculator/id6762536806/reviews.md ## What is 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 26 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, Retaining Wall Stability Check Pavement & Materials: Asphalt Tonnage, Aggregate/Stone Base, Concrete Volume, Pavement Cross-Section Unit Conversions: Volume Converter, Length/Elevation Converter ADA Compliance: Cross-Slope Checker, Parking Lot Striping / Stall Count BUILT FOR THE FIELD Imperial and metric units — toggle in Settings Search across all 34 calculators instantly Star your most-used calculators as Favorites for one-tap access Organize saved results into Project Folders by job site Export results as a branded PDF, ready to share or print 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. ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Unlock Pro Calculators | $0.99 | one-time | ## Version history (last 5 releases) ### 1.5.0 — 2026-08-20 34 calculators now available (up from 32), including two new additions: Retaining Wall Stability Check — Overturning, sliding, and eccentricity checks for cantilever walls (Field Engineer Pack) Parking Lot Striping / Stall Count — Bay layout, stall count, and ADA/van-accessible counts by dimension (Field Engineer Pack) Plus new tools to help you organize and share your work: Project Folders — Organize saved calculations by job site, with notes and addresses Save to Folder — Save any result directly into a project folder from any calculator Export PDF — Generate a branded PDF of your results, ready to share or print Cut/Fill Balance Summary — Track running net cut/fill balance across multiple stations This version also introduces anonymous, privacy-friendly usage analytics to help us understand which calculators are most useful — no personal data is collected or shared. See our Privacy Policy for details. Plus general performance improvements and bug fixes. ### 1.4.0 — 2026-07-29 Fixed an issue affecting the App Store rating prompt. Minor performance improvements and bug fixes under the hood. ### 1.3.0 — 2026-06-24 - Favorites: star your most-used calculators for instant access from the home screen - Share Results: send any calculation via Messages, Email, or Notes with one tap - Performance and stability improvements ### 1.2.0 — 2026-06-05 Version 1.2 brings major new capabilities to Civil Site Calculator: - 6 new calculators: Culvert Sizing, Cut & Fill by Cross-Section, Sediment Basin, Curve Number (CN), Bearing Capacity Estimator, and Pavement Cross-Section - Full metric/imperial toggle — switch units globally in Settings - Search bar — find any of the 32 calculators instantly - Field Engineer Pack price reduced to $0.99 - Manning's Pipe Flow now includes design velocity and required slope - Sediment Basin checks against 8 state standards (NJ, NY, IL, CA, TX, MA, FL + Generic) - Culvert Sizing supports direct Q input, slope input, and peak velocity output - Detention Pond updated with bottom-up input mode and side slope selector - Concrete Volume redesigned with element-specific inputs and footing/gutter toggles ### 1.1.0 — 2026-05-07 Added a Contact Us button on the home screen — tap to send us questions or suggestions directly by email. ## Apps similar to Civil Site Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [Contractor Calc Pro](https://appshunter.io/ios/app/contractor-calc-pro/id6761248901) | 5.0 (1) | Free | Utilities | | [Civil Construction Calculator](https://appshunter.io/ios/app/civil-construction-calculator/id6763050323) | — | Free | Utilities | | [Material Cost Calculator](https://appshunter.io/ios/app/material-cost-calculator/id6760621603) | 5.0 (1) | Free | Utilities | | [Civil Pocket](https://appshunter.io/ios/app/civil-pocket/id6757947908) | — | Free | Utilities | | [Construction Calculator ConPro](https://appshunter.io/ios/app/construction-calculator-conpro/id6756068024) | — | Free | Utilities | ## Related topics [civil engineering calculators](https://appshunter.io/ios/topics/civil-engineering-calculators) · [civil engineering calculator](https://appshunter.io/ios/topics/civil-engineering-calculator) · [acreage calculator free](https://appshunter.io/ios/topics/acreage-calculator-free) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*