Turn your home projects into a plan.
Describe what you're building in plain English. PrepMyBuild turns your dimensions into material quantities, shopping lists, cost ranges and contractor-ready next steps.
- Material quantities
- Shopping list
- Cost planning range
- Contractor-ready next steps
Built around practical project decisions, not just arithmetic.
Start with the project you have in mind.
Each tool combines a polished calculator with plain-English intake, transparent assumptions and a project shopping list.
Concrete Calculator
Slabs, patios, pads and simple rectangular pours.
Gravel Calculator
Driveways, paths and landscape aggregate by volume and tonnage.
Fence Calculator
Sections, posts, rails and post concrete from total length.
Paint Calculator
Wall area, coats, openings and gallons for a room.
Fast & transparent
Deterministic calculations with assumptions you can inspect.
Buy smarter
Order quantities and planning ranges before you shop.
Plain English
Describe the project instead of decoding calculator forms.
Build with confidence
Turn measurements into a project-ready material list.
From idea to materials in three simple steps.
Describe your project in plain English, then review the measurements and assumptions before PrepMyBuild calculates your plan.
Describe your project
Tell us what you're building and the measurements you already know.
Review your plan
Confirm dimensions, quantities, assumptions and the shopping list.
Build or hire
Print the plan, shop materials, or request contractor quotes.
“The useful part isn't just the number — it's knowing what to buy, what assumptions matter, and what to ask a contractor.”
Product direction for the PrepMyBuild launch experience
Plan it before you buy it.
PrepMyBuild is designed to sit between the idea in your head and the trip to the store — with enough structure to help you buy smarter or talk to a contractor with confidence.
Start your project →