All calculators

Every tool on the site, with metric and imperial units and a plain-language guide under each one.

• Stair Calculator

  Stairs & Ramps

  Free stair calculator for Canadian homes. Enter total rise to get step count, exact riser height, tread run, stringer length and angle, checked against NBC limits. Imperial and metric.

• Board Foot Calculator

  Lumber & Framing

  Free board foot calculator. Enter thickness, width and length to get board feet, cubic metres and lumber cost. Includes nominal vs actual size notes for Canadian lumber.

• Soil & Topsoil Calculator

  Landscaping & Outdoor

  Free soil and topsoil calculator for Canadian yards and gardens. Get cubic yards, cubic metres, tonnes and bag counts for lawns, raised beds and gardens.

• Paint Calculator

  Paint, Drywall & Flooring

  Free paint calculator for rooms in Canada. Enter room size, doors, windows and coats to get litres and gallons of paint, with ceiling and primer notes.

• Drywall Calculator

  Paint, Drywall & Flooring

  Free drywall calculator. Enter room size and sheet size to get the number of sheets, joint compound, tape and screws, with a waste allowance. Imperial and metric.