Home Calculators
Free, verified home calculators with step-by-step guides and reference data.
Concrete Block Calculator (CMU & Cinder Block)
Calculate blocks needed for any wall — includes mortar bags, courses, door/window openings, waste factor, and cost. Works for CMU and cinder blocks.
House Repiping Cost Calculator: PEX vs Copper vs CPVC 2026
Estimate house repiping cost by square footage, pipe material, and bathroom count. Compare PEX vs copper vs CPVC with 2026 labor and material rates.
Drapery Yardage Calculator: Pinch Pleat, Ripplefold & Stack Back
Calculate drapery yardage for pinch pleat, ripplefold, French pleat, wave, and flat styles. Includes stack back calculation. Works in yards and metres.
Roman Blind Calculator: Fabric, Folds & Rods
Calculate fabric, fold count, and rods for flat and cascade roman blinds. Covers inside and outside mount, lining, and works in cm and inches.
Curtain Fabric Calculator: Yardage for Every Heading Style
Calculate curtain fabric yardage for eyelet, pencil pleat, pinch pleat, and wave curtains. Enter window width, drop, and lining type for exact fabric needed.
Cushion Fabric Calculator: Box, Knife-Edge & Round Cushions
Calculate fabric for box, knife-edge, and round cushions. Covers sofa, chair, bench, and outdoor pads with seam allowances, piping, and multiple quantities.