The idea

“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. Try It Free for 3 Days No credit card. Cancel anytime. Material selection with swell factor Results — volume, tonnage, truckloads 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 on the grid 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. 3D retaining wall preview 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 Swell & shrinkage factors 16+ materials + custom Trucking & hauling cost PDF reports Project organization Works on phone "I built this because every free calculator was missing swell factor, shrinkage, and trucking. That's where the money goes." Tyler — Contractor & Founder Swell Factor on phone No App Store 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. Most Popular Pro Solo contractors $29 /mo or $249/yr (save 28%) All 4 calculators All shapes + custom drawn 16+ materials + custom Trucking & cost tracking Unlimited saves, PDF export Start Free Trial Team Crews & small companies $59 /mo or $499/yr (save 30%) Everything in Pro Up to 5 team members Shared projects & materials Role management Start Free Trial Questions How accurate are the calculations? Does it work on my phone? What if I need a material that's not listed? Is there a free trial? Can my crew use it? Stop guessing. Start calculating. 3 days free. No card. Cancel anytime. Start Free Trial”