Free Online Tools
Home Tools
Plan rent, furniture, energy, renovation, moving, cooling, and indoor conditions with practical home tools.
Furniture Door Fit CalculatorScreen furniture dimensions against a clear doorway and diagonal rotation space.HomeOpenTrue Cost of Rent ComparatorCompare rent, utilities, commuting, parking, fees, and deposit opportunity cost.HomeOpenAppliance Electricity Cost CalculatorConvert appliance watts and usage time into monthly and annual electricity cost.HomeOpenOld Refrigerator Replacement CalculatorEstimate electricity savings and simple payback for replacing an old refrigerator.HomeOpenPaint, Flooring & Wallpaper CalculatorEstimate renovation area, waste allowance, material quantity, and cost.HomeOpenMoving Box CalculatorEstimate small, medium, and large moving boxes from household size and accumulation.HomeOpenRoom Layout & Furniture Space PlannerVisualize furniture footprints and estimate occupied and remaining room area.HomeOpenHumidity & Mold Risk CheckerScreen humidity, condensation, temperature, and leak indicators for potential moisture risk.HomeOpenAir Conditioner Size CalculatorEstimate starting cooling capacity from room area, climate, sunlight, ceiling height, and occupants.HomeOpen