Free
Shared bills splitter
Split a household bill equally after discounts, extra costs and a service charge.
Households, renters, homeowners and practical planners
Home & lifestyle tools
Plan decorating, household costs, meals, moves and measurements with less guesswork. Turn room dimensions and everyday quantities into useful shopping and planning estimates. Always check product coverage and real-world measurements before ordering.
10free tools in this category.
Choose a tool
Clear inputs. Useful outputs.
Every result stays on your device unless a page explicitly says otherwise.
Free
Paint calculator
Estimate wall area, paint litres and tins from room dimensions, coats and coverage.
Free
Wallpaper roll calculator
Estimate wallpaper rolls from wall size, roll dimensions, pattern repeat and waste.
Free
Flooring area calculator
Calculate floor area, waste allowance and the number of packs to buy.
Free
Tile calculator
Estimate the tiles, boxes and material cost for a floor from room and tile dimensions.
Free
Concrete calculator
Estimate concrete volume and bags for a slab, path or pad from length, width and depth.
Free
Moving box estimator
Build a practical starting estimate for moving boxes from rooms, people and clutter level.
Free
Meal portion scaler
Scale ingredient quantities from an original recipe to the number of servings you need.
Free
Recipe cost calculator
Calculate ingredient and batch cost, cost per serving and a target-margin selling price from pack prices and quantities used.
Free
Electricity cost calculator
Estimate appliance electricity use and running cost from power, usage time, duty cycle and tariff.
Popular tasks
Estimate quantities before buying.
Estimate flooring packs
Calculate measured area, waste and pack coverage.
Estimate tiles and boxes
Turn room and tile dimensions into whole boxes with a waste allowance.
Cost a recipe or menu item
Find batch, serving and target-margin selling costs.
Estimate appliance running cost
Turn watts, time and tariff into kWh and projected cost.
Step-by-step guidance
Practical guides for these tasks.
Flooring measurement guide
Calculate flooring area and waste
Measure rectangular and irregular floors, add a stated waste allowance, and convert the order area into full packs without double-counting.
Tile quantity guide
Estimate floor tiles and boxes
Turn room and tile dimensions into whole tiles, boxes and cost with a visible waste allowance.
Bill splitting guide
Split bills and tips fairly
Calculate a tip, total and per-person amount and decide whether service charges are already included.
Concrete quantity guide
Estimate concrete bags and volume
Calculate slab volume and whole bags from length, width, depth and the bag coverage printed on the product.
What this category helps with.
Start with the real question
Plan decorating, household costs, meals, moves and measurements with less guesswork.
See the method
Inputs, formula or processing method, examples and important limitations are explained on every tool page.
Use the answer with context
Turn room dimensions and everyday quantities into useful shopping and planning estimates. Always check product coverage and real-world measurements before ordering. Tools give an estimate or transformation; you remain in control of the final decision.
Need a deeper workflow?
Move from a quick answer to a reusable business result.
The Premium suite adds 20 advanced forecasting, audit, data and document tools. Guests can try 1 run; a verified free account gets 3 per rolling 24 hours.