Sketch the slab on grid paper, punch in the measurements, and see square feet, cubic yards and price instantly. Free for homeowners and builders — and a full bidding desk for concrete crews.
Rectangles, L-shapes, freehand — tag every edge with a real measurement.
Square feet and cubic yards calculated as you go.
Concrete, labor, prep, demo, sod, markup — edit every rate.
Estimate → Contract → Invoice → A/R, tracked in one place.