Calculate materials needed for home improvement and construction projects with our collection of free calculators. From paint and flooring to concrete and lumber, get accurate measurements to avoid buying too much or running short on materials.
Whether you're planning a DIY weekend project or managing a major renovation, these calculators help you estimate materials, plan budgets, and complete projects efficiently. Calculate square footage, determine how many tiles you need, figure out paint quantities, or estimate lumber for decks and fences. Save time and money by getting the right amounts from the start.
Paint, flooring, drywall, and room measurements for indoor renovations
Roofing, siding, decks, fences, and outdoor construction materials
Concrete, gravel, mulch, and bulk material calculations
Calculate paint needed for rooms
Calculate flooring materials needed
Calculate tiles needed
Calculate concrete needed
Calculate gravel needed for driveways and landscaping
Calculate mulch needed for garden beds and landscaping
Calculate lumber needed
Calculate drywall needed
Calculate wallpaper needed
Calculate carpet needed
Calculate fence materials
Calculate deck materials
Calculate roofing materials
Calculate insulation needed
Calculate room dimensions
Calculate square footage
Calculate BTU requirements for heating and cooling
Calculate electricity costs
Calculate how much house you can afford
Calculate grout needed
Calculate siding materials
Calculate gutter materials
Calculate window costs
Calculate HVAC system size
Home improvement projects require accurate material estimates to stay on budget and avoid multiple trips to the store. Our calculators take the guesswork out of planning by providing precise measurements based on your specific project dimensions. Whether you're a DIY enthusiast or a professional contractor, these tools help you order the right amounts and reduce waste.
From simple room painting to complex deck building, each calculator is designed for specific materials and accounts for factors like waste, overlap, and coverage rates. Get professional-level estimates without the complicated math, and start your projects with confidence knowing you have exactly what you need.
Calculate paint for walls and ceilings, flooring materials for rooms, drywall sheets needed, tile quantities for bathrooms and kitchens, and wallpaper rolls for accent walls.
Estimate lumber for decks and fences, roofing materials for repairs or replacements, siding for exterior walls, concrete for driveways and patios, and gravel for landscaping.
Most home improvement projects require ordering slightly more material than the exact measurements suggest. Our calculators automatically factor in recommended waste percentages for cutting, mistakes, and future repairs. For example, flooring typically needs 10% extra, while paint calculations include coverage for multiple coats.
Always measure your space carefully before using the calculators. For rooms, measure length and width at the widest points. For irregular spaces, break them into rectangles and calculate each section separately. When in doubt, it's better to have a little extra material than to run short mid-project and risk color or batch mismatches.
Knowing exactly how much material you need helps you get accurate price quotes and compare costs between suppliers. Use these calculators before shopping to create a detailed materials list, then get quotes from multiple stores to find the best prices. This approach prevents overspending on excess materials and helps you spot when a contractor's estimate seems too high or too low for the actual work involved.