Construction Calc: 3D Plans

Stop wasting materials and guessing dimensions. Construction Calc & 3D Plans is an all-in-one toolkit that combines material and cost estimators with 2D and 3D floor plan design. Whether you're a contractor, builder, civil engineer, or DIY homeowner, work out exactly what you need, then see your layout in 3D before you break ground.

ESTIMATE MATERIALS & COST
- Construction Cost estimator – total cost by area, rate, and number of floors
- Bricks, Cement & Concrete, Concrete Block, and Plastering quantities
- Flooring, Paint Work, Boundary Wall, and Wood Frame estimates
- Excavation, Water Sump, and Kitchen Platform calculations
- Air Conditioner, Solar Rooftop, and Solar Water Heater sizing

2D & 3D FLOOR PLAN DESIGN
- Draw 2D floor plans with walls, doors, windows, and furniture
- Add precise dimensions, labels, and freehand shapes
- Switch your plan to a 3D view to see the whole structure
- Interior, exterior, and room design tools
- AI House for quick layout ideas
- Save your plans and reopen them anytime

MEASURE, CONVERT & CHECK
- Area Calculator for quick on-site measurements
- Tank Volume Calculator for cylinders, capsules, cones, frustums, and prisms
- Bubble Level with circular and tubular modes to check surface alignment
- Unit converters for distance, area, volume, weight, mass, pressure, speed, fuel, and more

MANAGE YOUR PROJECTS
- Invoice tool with multiple professional templates for client billing
- Construction Notes to keep job details in one place
- Saved Plans library for every project you create

WHO IT'S FOR
- Contractors & builders – fast estimates and client-ready plans
- Civil engineers & quantity surveyors – material and cost calculations
- DIY homeowners – plan renovations and home design before you build
- Architecture students – learn estimation and floor plan design together

PRIVACY & OFFLINE USE
- Your design projects stay on your device – we don't upload your plans
- Works offline – use it on any job site, no internet required
- No account required – download, open, and start building
- Free to download, with an optional Pro upgrade to remove ads

Download Construction Calc & 3D Plans today.
Build smarter, visualize faster, and stop wasting materials.
Your next project starts with a plan – not a guess.
Questions or feature requests? Use "Send feedback" in the app menu – we read every message.