All tools
Find 26 free calculators, organised around what you want to work out.
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Savings & goals
Compound interest, savings targets, travel, cars and home deposits.
Compound interest
Explore how regular contributions and reinvested returns could grow your savings.
Open calculator ↗Savings goal
Find out how long your monthly savings could take to reach a target.
Open calculator ↗Travel savings plan
Bring your travel budget, savings and deadline into one plan.
Open calculator ↗Car savings plan
Work out a saving plan for your next car.
Open calculator ↗Home deposit plan
Plan the savings you need for a deposit and purchase costs.
Open calculator ↗Homes & borrowing
Understand repayments and compare your options.
Mortgage
Estimate monthly repayments, interest and the effect of overpayments.
Open calculator ↗Personal loan
Understand repayments, total cost and an estimated annual percentage rate.
Open calculator ↗Early repayment
Compare reducing your loan term or your monthly repayment.
Open calculator ↗Buy or rent
Compare final net wealth under your own housing assumptions.
Open calculator ↗Finance or pay cash
Compare the total price and the hypothetical value of keeping savings.
Open calculator ↗Compare two loans
Compare monthly repayments, fees and total nominal cost.
Open calculator ↗Personal budgeting
Organise your month and build an emergency fund.
Percentages & discounts
Work out proportions, changes and final prices.
Dates & time
Count days, calculate ages and plan deadlines.
Days between dates
Count calendar days and complete weeks between two dates.
Open calculator ↗Exact age
Calculate completed years, months and days, plus your next birthday.
Open calculator ↗Add or subtract days
Find the date a number of calendar days before or after another date.
Open calculator ↗Working days
Count weekdays and exclude the holidays that apply to your calendar.
Open calculator ↗Pregnancy weeks
Estimate gestational age and a due date from your last period.
Open calculator ↗Unit converters
Length, mass, temperature, speed and digital storage.
Length converter
Convert metres, kilometres, miles, feet and inches.
Open calculator ↗Mass converter
Convert kilograms, grams, tonnes, pounds and ounces.
Open calculator ↗Temperature converter
Convert Celsius, Fahrenheit and Kelvin.
Open calculator ↗Speed converter
Convert km/h, m/s, mph and knots.
Open calculator ↗Digital storage converter
Compare decimal and binary capacity units.
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