Construction Calculators & DIY Guides
Free calculators and step-by-step guides for all your building and construction projects
36 calculators • 14 DIY guides
Dr. Snezana Lawrence
Mathematical Historian
15+ years experience
PhD from Yale University. Published mathematical historian ensuring precision in all calculations.
Education
PhD in Mathematical History - Yale University
Concrete & Masonry
Calculate concrete, blocks, and masonry materials
- Concrete Calculator
Calculate concrete volume in cubic yards
- Concrete Block Calculator
Estimate CMU blocks needed
- Concrete Block Fill Calculator
Calculate core fill for CMU blocks
- Block Mortar Calculator
Estimate mortar for block walls
- Concrete Footing Calculator
Calculate concrete for footings
- Concrete Mix Calculator
Get mix ratios for different concrete types
- Concrete Reinforcing Mesh Calculator
Estimate wire mesh for slabs
- Concrete Weight Calculator
Calculate concrete weight by volume
- Concrete Steps Calculator
Calculate concrete for stairs and steps
- Rebar Calculator
Estimate rebar for concrete reinforcement
- Rebar Weight & Size Calculator
Calculate rebar weight and specifications
- Grout Calculator
Calculate grout for tile installation
Flooring & Tile
Calculate materials for flooring and tile projects
Roofing
Calculate roofing materials and specifications
Walls & Drywall
Calculate drywall, paint, and wall materials
Carpentry & Framing
Calculate lumber, framing, and trim materials
Landscaping
Calculate landscaping and outdoor materials
General & HVAC
General construction and HVAC calculations
DIY Construction Guides
Step-by-step instructions for common construction projects
How to Install Hardwood Flooring
Solid and engineered hardwood installation with nail-down, floating, and glue-down methods
How to Install Vinyl Plank Flooring
LVP/LVT floating floor installation with click-lock techniques
How to Install Drywall
Complete guide to hanging, taping, and mudding drywall
How to Lay Tile
Floor and wall tile installation with grouting techniques
How to Frame a Wall
2x4 wall framing with studs, headers, and rough openings
How to Install a Door
Prehung interior and exterior door installation guide
How to Install Insulation
Batt, blown-in, and spray foam insulation installation
How to Build Stairs
Rise/run calculations, stringer cutting, and handrails
How to Pour Concrete
Site prep, mixing, finishing, and curing techniques
Roofing Materials Comparison
Compare asphalt, metal, tile, slate, and synthetic roofing options
Best Plywood for Every Use
Plywood grades, types, thickness guide, and OSB comparison
Actual Lumber Sizes Chart
Nominal vs actual dimensions for all dimensional lumber
How Much Does Plywood Weigh?
Plywood weight by thickness and type for 4x8 sheets
Actual Plywood Thickness
Nominal vs actual plywood thickness and sheet sizes
All Construction Calculators
About Our Construction Calculators
Our construction calculators are designed to help contractors, DIY enthusiasts, and homeowners estimate materials accurately for their building projects. Each calculator uses industry-standard formulas and accounts for waste factors to give you reliable estimates.
All calculators are reviewed by our expert team to ensure accuracy. Whether you're planning a small home improvement project or a large construction job, these tools will help you calculate the right amount of materials and avoid costly overbuying or project delays.