Construction & Home calculators
Estimate materials, dimensions, energy use, and practical costs for home projects.
Tool map
What are you trying to work out?
Materials
7Concrete, brick, lumber, flooring, and other project quantities.
Brick Calculator · Concrete Calculator · Deck Material Calculator
Rooms & layout
6Room dimensions, fixtures, spacing, and layouts.
Bathroom Mirror Size Calculator · Home Cleaning Supply Calculator · Mulch Calculator
Energy & cost
1Utilities, energy, project cost, and efficiency.
Cable Size Calculator
More home projects
3Maintenance and specialized project tools.
Compost Calculator · Ladder Safety Calculator · Topsoil Calculator
A useful place to start
Start with the project or room, then use a material tool for quantities and a cost tool for budgeting. Add a waste allowance appropriate to the job.
Concrete Calculator
Calculate concrete volume for slabs, columns, tubes, curbs, and stairs, with package count and dry-mix weight from entered bag yield and weight assumptions.
Brick Calculator
Estimate total bricks, bricks per row, masonry rows, wall area, mortar volume, and waste allowance for a rectangular brick wall.
Deck Material Calculator
Estimate deck boards, joists, beams, posts, screws, railing length, balusters, and waste for a residential deck material takeoff.
Bathroom Mirror Size Calculator
Calculate a selected mirror-width range and remaining vertical space from measurements and percentages you enter.
Cable Size Calculator
Estimate AWG cable size from amps, voltage, run length, conductor material, derating factors, voltage drop, and simplified ampacity limits.
Compost Calculator
Estimate compost volume, cubic yards, bag count, bulk cost, weight, and practical application depth for gardens, lawns, and raised beds.
Home Cleaning Supply Calculator
Total user-entered product consumption and cost across rooms, bathrooms, and cleaning sessions.
Ladder Safety Calculator
Estimate extension ladder length, 4 to 1 setup distance, ladder angle, stepladder size, and clearance for safer residential work planning.