Home project calculators
From the size of your room to what you need to buy. Practical calculators for home projects in Thailand.
What are you planning?
Aircon sizing
Enter your room size, find a BTU range and compare aircon options.
Aircon running costs
Start with BTU size, an energy label or a measurement. Adjust the cost with your bill if available.
Air purifier sizing
Find a CADR target from room volume and compare purifier capacity.
Purifier filters and running costs
Start with electricity. Add filter and device prices after choosing a model.
Ventilation and extractor fan sizing
Choose the room and how you use it to estimate ventilation airflow.
Tiles
Calculate tiles, whole boxes and a budget, with a printable shopping list.
Paint quantity
Measure walls, calculate litres and whole tins, and plan your budget.
SPC flooring
Plan whole boxes of SPC flooring and compatible underlay.
Calculator categories
Cooling & air quality
Size your aircon and plan a more comfortable room.
Paint, walls & floors
Turn room measurements into the right material quantities.
Solar & electricity
Plan home energy use, solar and running costs.
Roofing & insulation
Plan roofing and insulation material quantities.
Water & bathrooms
Understand water storage, volumes and household use.
Windows & furnishings
Measure for curtains, blinds and window coverings.
Garden & outdoor projects
Plan soil, paving and outdoor projects.
Building materials
Estimate material quantities from your project dimensions.
Measurements & conversions
Get your measurements ready for the next project.