Shared bills splitter
Split a household bill equally after discounts, extra costs and a service charge.
Households, renters, homeowners and practical planners
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.
Choose a tool
Every result stays on your device unless a page explicitly says otherwise.
Split a household bill equally after discounts, extra costs and a service charge.
Estimate wall area, paint litres and tins from room dimensions, coats and coverage.
Estimate wallpaper rolls from wall size, roll dimensions, pattern repeat and waste.
Calculate floor area, waste allowance and the number of packs to buy.
Build a practical starting estimate for moving boxes from rooms, people and clutter level.
Scale ingredient quantities from an original recipe to the number of servings you need.
Calculate ingredient and batch cost, cost per serving and a target-margin selling price from pack prices and quantities used.
Estimate appliance electricity use and running cost from power, usage time, duty cycle and tariff.
Popular tasks
Calculate measured area, waste and pack coverage.
Find batch, serving and target-margin selling costs.
Turn watts, time and tariff into kWh and projected cost.
Plan decorating, household costs, meals, moves and measurements with less guesswork.
Inputs, formula or processing method, examples and important limitations are explained on every tool page.
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?
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.