Metric & imperial units Calculator
Convert length, area, volume and mass in either direction.
Open calculator →← Calculator directory
16 free tools
Everyday life Calculators
Household calculators for budgets, bills, subscriptions, childcare, events, shopping, percentages and unit conversions. Each calculator explains its inputs, formula and limits.
Household budget Calculator
See spending, savings and your monthly surplus.
Open calculator →Unit price comparison Calculator
Compare two pack sizes on equal units.
Open calculator →Tip & bill split Calculator
Add a tip and divide the total between people.
Open calculator →Percentages & change Calculator
Find shares, percentage amounts and signed changes.
Open calculator →Discounts & sale prices Calculator
Calculate one or two successive discounts correctly.
Open calculator →Recipe portions Calculator
Scale an ingredient to a different serving count.
Open calculator →Uneven bill split Calculator
Split a bill by consumption weights with cent-exact allocation.
Open calculator →Subscription cost audit Calculator
Total recurring subscriptions and compare cost per use.
Open calculator →Childcare Budget and Universal NCS Calculator Ireland
Calculate universal NCS support or use an actual income-assessed award, then estimate parental costs.
Open calculator →Car versus public transport commute Calculator
Compare yearly commuting costs and travel time.
Open calculator →Moving home cash budget Calculator
Estimate moving expenses and temporary deposit cash needs.
Open calculator →Wedding and event budget Calculator
Size an event budget around guests, fixed costs and contingency.
Open calculator →Shared household contributions Calculator
Split household costs equally or in proportion to take-home income.
Open calculator →Fractions and mixed numbers Calculator
Add, subtract, multiply or divide exact fractions and mixed numbers without rounding the answer.
Open calculator →Ratio and proportional allocation Calculator
Split a euro amount between any non-negative ratio weights, including signed refund amounts.
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