Paint Quantity Calculator
Estimate the litres of finish paint needed for a rectangular room after doors and windows are removed.
Open toolHome decorating calculator library
All Home Decor Tools
Find the precise calculator, converter, estimator, or planner for your next room project.
Home project calculator libraryorganized by the decision you need to make
Paint Cost Calculator
Forecast paint spend from surface area, coverage, coats, pack size, and local price.
Open toolCeiling Paint Calculator
Calculate ceiling paint for a rectangular room with a practical waste margin.
Open toolRoom Color Planner
Choose a room palette that responds to daylight, room size, and the mood you want.
Open toolAccent Wall Planner
Identify a visually effective accent wall and estimate the paint required for it.
Open toolPaint Finish Selector
Match a practical paint sheen to the room, surface condition, and cleaning needs.
Open toolRoom Area Calculator
Calculate usable floor area for a rectangular room in square metres and square feet.
Open toolRoom Volume Calculator
Find room air volume for ventilation, heating, cooling, and paint planning.
Open toolRoom Perimeter Calculator
Measure the total boundary length needed for skirting, coving, or trim.
Open toolWall Area Calculator
Calculate the combined wall surface of a rectangular room minus doors and windows.
Open toolFurniture Space Calculator
Compare the combined furniture footprint with the room area and reveal free floor space.
Open toolRoom Layout Planner
Test whether a proposed furniture group fits while preserving target circulation.
Open toolTile Quantity Calculator
Estimate whole tiles from surface area, tile face size, and a chosen waste allowance; check joints and cuts on a layout.
Open toolTile Cost Calculator
Calculate tile purchase cost from project area, pack coverage, price, and waste.
Open toolFlooring Material Calculator
Estimate board or plank packs for a floor using net area and cutting allowance.
Open toolCarpet Quantity Calculator
Estimate carpet area and linear roll length with practical fitting waste.
Open toolCarpet Cost Calculator
Build a carpet estimate including underlay, fitting, and waste.
Open toolTile Grout Calculator
Estimate dry grout from tiled area, tile dimensions, joint width, depth, and material density.
Open toolTile Adhesive Calculator
Estimate adhesive bags from area, bed thickness, coverage rate, and waste.
Open toolWallpaper Roll Calculator
Calculate wallpaper rolls from wall perimeter, height, roll size, pattern repeat, and full-height exclusions.
Open toolWallpaper Cost Calculator
Estimate wallpaper material cost using roll count, price, paste, and labor.
Open toolWall Panel Calculator
Determine whole decorative panels needed to cover a wall with cutting allowance.
Open toolWall Art Size Calculator
Find an appropriately scaled artwork width above furniture or on an open wall.
Open toolGallery Wall Planner
Plan a rectangular gallery grid and calculate its finished footprint.
Open toolMirror Size Calculator
Compare mirror widths and a suggested bottom gap above a console, vanity, or mantel.
Open toolAccent Wall Material Calculator
Estimate boards, slats, or cladding pieces for a feature wall.
Open toolWall Molding Calculator
Add horizontal and vertical molding runs, then calculate an order length with a chosen waste allowance.
Open toolCurtain Fabric Calculator
Estimate fabric length for paired curtains using fullness, usable fabric width, drops, hems, and repeat.
Open toolCurtain Cost Calculator
Estimate finished curtain cost from fabric usage, lining, hardware, and making charges.
Open toolCurtain Rod Length Calculator
Size a curtain rod beyond the window so curtains can stack clear of the glass.
Open toolBlind Size Calculator
Convert window measurements into an inside- or outside-mount blind order size.
Open toolWindow Treatment Cost Calculator
Compare the complete cost of treating multiple same-size windows.
Open toolWindow Area Calculator
Calculate glazing and frame-opening area for film, blinds, or treatment quotes.
Open toolCurtain Fullness Calculator
Calculate achieved fullness from flat fabric width and track width.
Open toolSofa Space Calculator
Check a sofa’s wall fit and the circulation left in front of it.
Open toolDining Table Size Calculator
Recommend table capacity and test the space needed for chairs and movement.
Open toolBed Size & Room Space Calculator
Test a bed footprint with practical walking clearances on three sides.
Open toolWardrobe Space Calculator
Check wardrobe fit and required door-access clearance.
Open toolRug Size Calculator
Recommend rug dimensions from furniture-group size and edge coverage preference.
Open toolFurniture Clearance Calculator
Evaluate the open aisle left between two pieces of furniture.
Open toolRoom Lighting Calculator
Estimate total lumens and LED wattage from room area, task level, and utilization.
Open toolLED Wattage Calculator
Convert a lumen target into LED wattage using the lamp’s real efficacy.
Open toolLight Fixture Size Calculator
Estimate a proportional decorative fixture diameter for a rectangular room.
Open toolRecessed Light Calculator
Estimate recessed-light count and a separate spacing guideline; this does not generate a verified fixture grid.
Open toolKitchen Lighting Calculator
Estimate ambient plus worktop lighting for a kitchen.
Open toolBathroom Lighting Calculator
Estimate general and vanity lighting with a moisture-aware fixture reminder.
Open toolAccent Lighting Planner
Estimate accent-light output and count from feature area and contrast; verify beam coverage separately.
Open toolHome Decor Budget Calculator
Create an overall furnishing and decor budget with tax and contingency.
Open toolRoom Renovation Budget Calculator
Estimate a renovation from room area, finish rate, fixed work, professional fees, and contingency.
Open toolPaint Project Budget Calculator
Estimate a complete painting budget from paint, primer, supplies, labor, and tax.
Open toolFlooring Project Budget Calculator
Build an installed flooring budget from area rates, underlay, preparation, and waste.
Open toolMaterial Cost Calculator
Price any measured material using order quantity, unit rate, waste, delivery, and tax.
Open toolProject Budget Split Calculator
Split a fixed project budget across materials, labor, design, and contingency while checking percentages.
Open toolFeet & Inches Calculator
Add two mixed feet-and-inches measurements without manual carrying.
Open toolArea Unit Converter
Convert an area among square metres, square feet, square yards, and acres.
Open toolVolume Unit Converter
Convert volume among litres, cubic metres, cubic feet, and US gallons.
Open toolLength Unit Converter
Convert length among metres, centimetres, millimetres, feet, and inches.
Open toolMeasurement Calculator
Add, subtract, multiply, or divide two project measurements.
Open toolHome Decor Style Quiz
Discover a likely decor style from your preferences for color, materials, form, and atmosphere.
Open toolFurniture Arrangement Generator
Generate a practical furniture arrangement from room proportions, focal point, and use.
Open toolColor Scheme Generator
Generate a color scheme using a hue family and a formal harmony method.
Open toolRoom Decoration Checklist Generator
Create a sequenced checklist based on room type, project scope, and whether the room is occupied.
Open toolShopping Quantity Planner
Convert a target area or count into whole purchasable packs with spare stock.
Open toolRoom Makeover Planner
Turn budget, timeline, room condition, and priority into a phased makeover roadmap.
Open toolHome Decor Project Planner
Allocate target weeks between project phases and split the budget using a chosen DIY spending share.
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