Construction Calculators
Free construction and building material calculators — covering framing, masonry, roofing, soil and aggregate volume, and more. Each calculator shows its exact formula and a worked example.
Part of Construction.
Calculators
- Concrete Driveway Cost CalculatorEstimate the cost of pouring a concrete driveway.
- Soffit CalculatorEstimate soffit material needed from building dimensions.
- CMU Block CalculatorEstimate how many standard 8x8x16 concrete masonry units (CMU) you need for a wall.
- Lawn Mowing Cost CalculatorEstimate what a professional lawn mowing service should cost.
- Septic Tank Size CalculatorEstimate the minimum septic tank size based on the number of bedrooms.
- Linear Feet to Square Feet CalculatorConvert linear feet to square feet using a known width.
- Candle Wax CalculatorCalculate exactly how much wax and fragrance oil you need for your candle container.
- Asphalt CalculatorCalculate asphalt tonnage needed for a driveway or paving project.
- Plywood CalculatorCalculate how many sheets of plywood or OSB you need for your project.
- Rafter CalculatorCalculate common rafter length from building width, roof pitch, and overhang.
- Stud CalculatorCalculate how many wall studs you need, including corners and openings.
Guides
- Fill Dirt Calculator: How Much Fill Dirt Do You Need?
- How to Calculate Concrete for a Driveway: Cubic Yards and Bags
- How to Calculate Roof Rafters: Span, Rise, Pitch, and Rafter Length
- River Rock Calculator: How Much River Rock Do You Need?
- Topsoil Calculator: How Many Cubic Yards of Topsoil Do You Need?
- Wall Stud Calculator: How to Calculate Studs for Any Framing Project
Last updated 7/12/2026