Room Area Calculator
Work out your room’s floor area from its length and width for better space planning.
Calculate areaPaint Calculator
Estimate paint requirements using your room dimensions and the number of coats.
Estimate paintInterior Budget Calculator
Create a starting budget estimate based on room size, design level and planned work.
Estimate budgetFlooring Calculator
Estimate the floor area and approximate flooring material needed for your room.
Calculate flooringTile Calculator
Estimate tile quantities for floors or walls using the area and tile dimensions.
Calculate tilesFalse Ceiling Calculator
Calculate ceiling area and estimate the material requirements for your project.
Calculate ceiling
Planning tip: Measure carefully and treat calculator results as estimates.
Actual material quantities can vary with room shape, openings, installation method and wastage.
Plan Your Interior Project with Confidence
Good interior planning starts with accurate measurements and a clear idea of the work involved. These interior design calculators help you prepare before choosing paint colours, flooring, tiles, ceiling finishes or furniture. Use the results as a starting point when comparing materials and discussing your project with a contractor or interior designer.
How to use the calculators
- Measure first: note room length, width and relevant wall or ceiling dimensions.
- Choose the right tool: use the matching calculator for paint, flooring, tiles, ceiling work or budgeting.
- Allow for real-world conditions: account for doors, windows, cuts, wastage and product coverage where relevant.
- Confirm before buying: check measurements and product instructions with your supplier or installer.
Helpful external resources
For additional guidance, review product instructions and planning information from established organisations and manufacturers.
Design Inspiration
Measurements First, Beautiful Design Next
Once you understand your room dimensions and likely material needs, you can make more informed choices about finishes, colours, lighting and furniture. Explore our calculators first, then use your measurements to guide your interior design decisions.
Ready to Plan Your Space?
Start with a measurement calculator, estimate your materials and take the next step towards a well-planned interior.
Explore Interior Designs