Skip to content
Everyday Calculators

46 tools · always free

Everyday calculatorswithout the clutter

Money, maths, dates and unit conversions. Type a number, get an answer — no sign-up, no waiting.

Popular:Mortgage calculatorPercentage calculatorLoan paymentCompound interestCurrency converter

100%

runs in your browser

0

sign-ups or accounts

£/€/$

currency-aware money tools

Live

ECB exchange rates

Most used calculators

The daily eight
Mortgage 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 converterTurn a yearly salary into an hourly rate, or the other way round.

Browse by category

Full index

Start with what you are trying to work out, then choose a calculator below.

01

Percentages & shopping

Everyday maths at the till: discounts, tips, tax and margins.

View 8 tools
Percentage calculatorWhat is X% of Y, and X is what percent of Y.
Percentage increase & decreaseHow much something went up or down, in percent.
Discount & sale priceSale price and how much you actually save.
Tip calculatorTip, total, and what each person owes.
Split the billDivide a bill evenly, with the rounding handled.
VAT & sales taxAdd tax on top, or strip it out of a gross price.
Margin & markupProfit margin, markup, and the price you should charge.
Unit price comparisonWhich pack size is actually cheaper.

02

Loans & mortgages

Work out what a loan really costs before you sign anything.

View 7 tools
Loan paymentMonthly payment, total interest, total cost.
Mortgage calculatorHouse price, deposit and rate to a monthly figure.
Rate rise impact calculatorSee what a 0.25% to 2% rate rise adds to your monthly payment.
Mortgage payoff calculatorSee how overpayments cut years and interest off your mortgage.
Amortization schedulePayment-by-payment breakdown, with overpayments.
Car loan calculatorPrice, trade-in and deposit to a monthly payment.
Interest-only paymentThe monthly cost when nothing is repaid.

03

Saving & investing

See how money grows — and what inflation quietly takes back.

View 4 tools
Simple interestInterest that never compounds.
Compound interestGrowth with monthly deposits and compounding.
Savings goalHow much to put aside each month.
Inflation & purchasing powerWhat your money will actually be worth.

04

Income & budget

Turn pay rates into real numbers and split them sensibly.

View 3 tools
50/30/20 budgetSplit take-home pay into needs, wants and savings.
Salary converterTurn a yearly salary into an hourly rate, or the other way round.
Overtime payRegular hours, overtime rate and total pay.

05

Converters

Units, measures and currencies, converted both ways in one tap.

View 11 tools
Currency converterLive daily rates between the world's main currencies.
Length converterMetres, feet, inches, miles — converted both ways.
Weight converterKilograms, pounds, stone, ounces and grams.
Temperature converterCelsius, Fahrenheit and Kelvin at a glance.
Volume converterLitres, millilitres, gallons, cups and pints.
Area converterSquare metres, square feet, acres and hectares.
Speed converterkm/h, mph, m/s and knots.
Data storage converterMB, GB, TB — and the binary units behind them.
Time unit converterSeconds, minutes, hours, days, weeks and years.
Fuel consumption converterL/100 km, MPG and km per litre.
Cooking measurement converterCups to grams for the ingredients you actually bake with.

06

Maths & numbers

Fractions, averages, geometry and a fair coin when you need one.

View 5 tools
Coin flipHeads or tails, instantly — flip one coin or a hundred.
Random number generatorPick numbers in any range, with or without repeats.
Fraction calculatorAdd, subtract, multiply and simplify fractions.
Average calculatorMean, median, mode, range and standard deviation.
Geometry calculatorArea, perimeter and volume for everyday shapes.

07

Dates & time

Ages, deadlines and the gap between any two dates.

View 8 tools
Age calculatorExact age in years, months and days — plus the next birthday.
Days between datesThe gap between two dates in days, weeks, weekdays and months.
Days from todayAdd or subtract days, weeks or months from any date.
Countdown to a dateDays, hours, minutes and seconds until any date.
30 days from todayThe exact date 30 days from today, updated live, plus a table of other counts.
60 days from todayThe exact date 60 days from today, updated live, plus a table of other counts.
90 days from todayThe exact date 90 days from today, updated live, plus a table of other counts.
120 days from todayThe exact date 120 days from today, updated live, plus a table of other counts.

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.