Home and DIY calculators

Measure a room, order concrete, or price a gravel driveway. Each one shows its unit conversions, so you can double-check a quote.

Square Footage CalculatorMeasure a room, patio or yard and get the area in square feet, square yards and square meters, plus the cost at a price per square foot.
Concrete CalculatorFind the cubic yards to order, or how many bags to buy, for a slab, footing or post hole.
Gravel CalculatorFind how many cubic yards and tons of gravel or crushed stone to order for an area.