ConcreteCalc: Estimator & Calc

NEW: Professional PDF estimates with your company logo, signature line, and job site photos. Export branded multi-page reports in seconds. Try the Slab calculator free!

The professional concrete and masonry calculator trusted by contractors, estimators, and builders. Get instant volume calculations, bag counts, cost estimates, and materials lists — right from the job site.

Start free with the Slab calculator. Upgrade to unlock all 8 professional tools.

WHAT YOU CAN CALCULATE

Slab (Free) — Patios, driveways, walkways, and garage floors. Enter length, width, and thickness to get cubic yards, bag counts, and cost.

Round Slab — Fire pits, circular patios, and round pads. Enter diameter and thickness for instant results.

Footing — Continuous wall footings, square column footings, and round pier footings. Supports multiple footing counts per job.

Column — Sonotube and round column pours. Select from standard tube diameters (6–36 in) with per-column and total volume.

Wall — Poured concrete walls with built-in formwork calculator. Get plywood sheets, 2x4 studs, walers, and snap tie counts alongside your concrete volume.

Stairs — Steps with IRC R311.7 code compliance checking. Validates riser height, tread depth, and total rise against residential building code.

Rebar — Grid layout calculator with bar sizing (#3–#8), spacing, splice lengths, stock bar counts, total weight, and cost per ACI 318 and ASTM A615.

Block/CMU — Block count, half blocks, mortar bags, and full cost breakdown. Subtract door and window openings. Covers 4" through 12" CMU sizes per NCMA TEK standards.

EVERY CALCULATOR INCLUDES

• Volume in cubic yards or cubic meters
• Bag count estimates (80, 60, and 40 lb bags)
• Ready-mix cost with customizable pricing
• Truck load calculations
• Adjustable waste factor (0–25%)
• Building code references

PROFESSIONAL PDF ESTIMATES Generate multi-page branded PDF estimates on site. Add your company logo, name, address, phone, and license number. Each estimate includes a signature line, job site photo page, auto-numbered estimate IDs, and code reference citations. Share via email, AirDrop, or any app.

BUILT FOR THE JOB SITE

• Imperial and Metric units with smart conversion
• Save jobs with names, site addresses, and photos
• Full calculation history
• Materials summary across multiple jobs
• 3D isometric shape previews
• Dark and Light themes
• Haptic feedback
• Siri Shortcuts for quick calculations
• Works 100% offline — no account required

YOUR DATA STAYS ON YOUR DEVICE No sign-up. No cloud. No tracking. All calculations and saved jobs are stored locally on your device.

———

Subscription Details: • Pro Monthly — auto-renewing, billed monthly • Pro Yearly — auto-renewing, billed yearly • Pro Lifetime — one-time purchase, no renewal

Privacy Policy: https://elly2504.github.io/tradecalcsuite/privacy Terms of Use (EULA): https://elly2504.github.io/tradecalcsuite/terms