Foundation Calculators
Calculate materials for concrete foundation work including anchor bolts, sill seal, and pressure treated plates.
How many anchor bolts do I need? Free calculator for J-bolt & wedge types at standard 6 ft spacing — includes total count and layout tips.
Sill seal calculator: Estimate foam gasket rolls by foundation perimeter. Free tool for 3.5" & 5.5" widths — prevents air infiltration.
How much pressure treated lumber for sill plates? Instant calculator for 2x4 & 2x6 PT boards — gives linear feet and board count.
How much concrete do I need? Free calculator for slabs, footings & columns — gives cubic yards, 60lb & 80lb bag counts with waste factor.
How much concrete for a slab? Free calculator for garage, patio & driveway slabs — gives cubic yards and bag count for any thickness.
Concrete footing calculator: Estimate cubic yards for continuous & spread footings. Free tool for foundation walls — includes waste factor.
How much concrete for Sonotubes? Free column calculator for 8", 10" & 12" diameter piers — gives cubic yards per column and total.
Concrete steps calculator: How many cubic yards for stairs? Free tool — enter width, rise, run & step count for instant estimate.
Gravel calculator — free tool to estimate cubic yards & tons for any project. Enter dimensions for instant results with cost estimate.
Driveway gravel calculator — how much gravel for your driveway? Free tool for crushed stone, pea gravel & road base with cost per ton.
Block fill calculator — how much concrete to fill CMU blocks? Free tool for 8", 10" & 12" blocks. Get cubic yards and bag count instantly.
Mortar mix calculator — free tool to estimate bags of mortar for block, brick & stone. Covers Type N, S & M with joint thickness options.
Retaining wall calculator — free tool for block, CMU & stone walls. Get block count, cap blocks, gravel backfill & drainage estimates instantly.
How much rebar do I need? Free calculator for slabs, footings & walls — gives bar count, linear feet, weight in lbs, and 20 ft piece total.
Rebar spacing calculator — free tool to find optimal grid layout by load type. Get bar count, linear feet, and chair supports for any slab.