Home Renovation Calculator Toolkit
Plan your renovation with confidence. Calculate exact material quantities, convert measurements, and budget your project โ all before heading to the hardware store.
Tools in this collection
Concrete Calculator
Estimate concrete volume for slabs, columns, and tubes with our free concrete calculator. Get cubic
Paint Calculator
Calculate how much paint you need for any room. Enter wall dimensions, doors, windows, and coats to
Carpet Calculator
Calculate how much carpet you need for any room. Enter room dimensions to get exact square feet, squ
Area Converter
Convert area between square meters, square feet, acres, and hectares instantly. Free online area con
Angle Converter
Free online angle converter. Convert between degrees, radians, gradians, turns, arcminutes and arcse
How to Use These Tools
Start with the Area Converter to get your room dimensions in the right units. Most building materials are sold by square meters or square feet.
Use the Concrete Calculator to determine how many bags of concrete you need for foundations, posts, or slabs. Enter dimensions and get instant results.
The Paint Calculator estimates how many gallons or liters of paint to buy based on your wall area and number of coats.
For flooring projects, the Carpet Calculator tells you exactly how much material to order, accounting for waste and pattern matching.
Suggested Workflow
Frequently Asked Questions
How accurate are these renovation calculators?
Our calculators use standard industry formulas for material estimation. Always add 5-10% extra for waste and mistakes.
Do these tools account for waste?
Some calculators include a waste factor. For paint and concrete, we recommend ordering 10% more than calculated.
Can I use these for commercial projects?
Yes, but for large commercial jobs, always consult a licensed contractor for final material orders.