Stop guessing. Know exactly what to order.
Tonnage, truckloads, and cost — with swell factor, shrinkage, and real densities. Not the garbage numbers from free tools.


Pick material → enter dimensions → get results with swell factor applied
Free calculators give you volume. We give you the right answer.
Free Online Calculators
- No swell or shrinkage
- Generic densities
- No trucking or cost estimates
- Only basic volume
- No way to save or export
- Built by developers who've never been on site
Swell Factor
- Swell & shrinkage factors built in
- 16+ materials with real wet/dry densities
- Trucking, hauling & cost tracking
- Retaining wall, concrete, French drain calculators
- PDF reports & project organization
- Built by a contractor

Draw any shape
Job sites aren't rectangles. Click to draw irregular polygons — ponds, odd lots, whatever. Area updates as you draw.
3D preview before you calculate
See your shape rendered in 3D with exact dimensions. Verify inputs before running the numbers.

4 calculators. Everything you need.
Material Calculator
Volume, tonnage, truckloads, swell/shrinkage, cost
Concrete Calculator
Slabs, footings, curbs + rebar counts
Retaining Wall
Block counts, caps, backfill, drainage, base gravel
French Drain
Drainage rock, pipe displacement, fabric, topsoil
"I built this because every free calculator was missing swell factor, shrinkage, and trucking. That's where the money goes."
Tyler — Contractor & Founder

Take it to the job site
Add to your home screen. Works like a native app — full screen, fast, one tap away.
Simple pricing
3-day free trial. No charge until day 4.
Pro
Solo contractors
or $249/yr (save 28%)
- All 4 calculators
- All shapes + custom drawn
- 16+ materials + custom
- Trucking & cost tracking
- Unlimited saves, PDF export
Team
Crews & small companies
or $499/yr (save 30%)
- Everything in Pro
- Up to 5 team members
- Shared projects & materials
- Role management
Questions
Stop guessing. Start calculating.
3 days free. No card. Cancel anytime.