40 tools · always free
Everyday calculatorswithout the clutter
Money, maths, dates and unit conversions. Type a number, get an answer — no sign-up, no waiting.
100%
runs in your browser
0
sign-ups or accounts
£/€/$
currency-aware money tools
Live
ECB exchange rates
Most used calculators
The daily eightMortgage calculatorHouse price, deposit and rate to a monthly figure.
Percentage calculatorWhat is X% of Y, and X is what percent of Y.
Loan paymentMonthly payment, total interest, total cost.
Compound interestGrowth with monthly deposits and compounding.
Currency converterLive daily rates between the world's main currencies.
Tip calculatorTip, total, and what each person owes.
Age calculatorExact age in years, months and days — plus the next birthday.
Salary converterHourly, weekly, monthly and yearly pay.
Browse by category
See allPercentages & shopping8Everyday maths at the till: discounts, tips, tax and margins.Percentage calculator · Percentage increase & decrease · Discount & sale price · +5 moreLoans & mortgages5Work out what a loan really costs before you sign anything.Loan payment · Mortgage calculator · Amortization schedule · +2 moreSaving & investing4See how money grows — and what inflation quietly takes back.Simple interest · Compound interest · Savings goal · +1 moreIncome & budget3Turn pay rates into real numbers and split them sensibly.50/30/20 budget · Salary converter · Overtime payConverters11Units, measures and currencies, converted both ways in one tap.Currency converter · Length converter · Weight converter · +8 moreMaths & numbers5Fractions, averages, geometry and a fair coin when you need one.Coin flip · Random number generator · Fraction calculator · +2 moreDates & time4Ages, deadlines and the gap between any two dates.Age calculator · Days between dates · Days from today · +1 more
Every calculator
Full indexPercentage calculatorPercentage increase & decreaseDiscount & sale priceTip calculatorSplit the billVAT & sales taxMargin & markupLoan paymentMortgage calculatorAmortization scheduleCar loan calculatorInterest-only paymentSimple interestCompound interestSavings goalInflation & purchasing power50/30/20 budgetSalary converterOvertime payUnit price comparisonAge calculatorDays between datesDays from todayCurrency converterLength converterWeight converterTemperature converterVolume converterArea converterSpeed converterData storage converterTime unit converterFuel consumption converterCooking measurement converterCountdown to a dateCoin flipRandom number generatorFraction calculatorAverage calculatorGeometry calculator
Why Everyday Calculators?
Built for people in a hurry, not for engineers.
Answers as you type
No calculate button, no page reload. Change a number and the result moves.
Nothing leaves your device
Every calculation runs in your browser. We never see or store what you type.
The maths is shown
Each tool spells out its formula and a worked example, so you can check it.
Free to use
No sign-up and no paywall. Any partner link is clearly marked as sponsored.