七麦数据

The ultimate construction calculator trusted by contractors, builders, and tradespeople worldwide. All the calculations you need on the job site - working 100% offline without expensive subscriptions.

EVERYTHING YOU NEED, NOTHING YOU DON'T
- 10 Professional Calculators in One App
- Works Offline - No Internet Required
- US & European Standards (ACI, ASTM, Eurocode)
- One-Time Purchase - NO MONTHLY FEES!

COMPLETE CALCULATOR SUITE
- Concrete Calculator - Volume, bags, mix ratios
- Brick & Block - Quantity, mortar, patterns
- Tile Calculator - Coverage, adhesive, grout
- Paint Estimator - Coverage, coats, primer
- Steel Rebar - Quantity, weight, spacing
- Wood/Lumber - Board feet, joists, loads
- Insulation - R-value, U-value, thickness
- Stairs - Rise, run, stringers, code compliance
- Roofing - Area, shingles, underlayment
- Plumbing - Pipe sizing, slope, flow rates

BUILT FOR THE FIELD
Unlike desktop software or subscription apps that fail without internet, Construction Calculator Pro works everywhere - basements, new construction sites, remote locations. Your calculations, your device, no strings attached.

PROFESSIONAL FEATURES
- Quick Unit Conversion - Metric/Imperial toggle
- Photo Integration - Document measurements
- Save Calculations - Build project histories
- PDF Reports - Professional estimates
- Material Lists - Automated quantities
- Cost Estimation - Track project budgets
- Building Codes - US & EU standards

WHO USES THIS APP
- General Contractors - Estimate entire projects
- Concrete Contractors - Calculate pours accurately
- Framers - Determine lumber and fasteners
- Electricians - Load calculations, wire sizing
- Plumbers - Pipe sizing and slope calculations
- DIY Enthusiasts - Professional results at home
- Construction Students - Learn with real tools

REAL FIELD TESTING
Developed with input from actual contractors who were tired of:
- Paying $50+/month for basic calculators
- Apps that don't work without internet
- Using 10 different calculators
- Desktop software that's not mobile
- Inaccurate free calculators

KEY ADVANTAGES
- Accuracy - Formulas based on industry standards
- Speed - Quick access to any calculator
- Reliability - Works anywhere, anytime
- Value - One price for all features
- Updates - Free updates with new features

TECHNICAL SPECIFICATIONS
- Supports both US (Imperial) and Metric units
- Complies with latest building codes
- Works on all iPhones and iPads (iOS 16+)
- Optimized for one-handed operation
- No account required
- No data collection

Join thousands of professionals who've eliminated subscription costs while getting better tools. Stop paying monthly for calculations you need daily.

Buy once. Build forever.