Calculators

Convert between 30+ world currencies with daily European Central Bank exchange rates. Live conversion as you type, swap currencies, see the rate for any past date and a quick conversion table.

See how your savings grow with compound interest. Enter a starting amount, monthly contribution, interest rate and years - get the final balance, total interest earned, a year-by-year table and a growth chart.

Split a restaurant bill or shared expense fairly. Add people and items, assign who had what, add tip and tax - see exactly how much each person owes. Or split evenly in one tap.

Compare products by price per kilogram, liter, piece or meter to find the real best deal. Enter price and quantity for each option - the cheapest per unit is highlighted, with the percentage difference.

Calculate how much a trip will cost in fuel. Enter distance, your car's consumption (L/100 km, km/L or MPG) and the fuel price - get total cost, cost per person and per kilometer, for one way or round trip.

Count working days between two dates, or add/subtract a number of business days to a date. Skips weekends and any holidays you list - ideal for deadlines, deliveries and leave planning.

Create a live countdown to any date and time - exams, holidays, launches, birthdays. Shows days, hours, minutes and seconds, and gives you a link you can share or bookmark.

Find the best time to go to bed or wake up based on 90-minute sleep cycles. Enter your wake-up time to get bedtimes, or enter your bedtime to get wake-up times - plus 'if I sleep now'.

Calculate image and video dimensions that keep the same aspect ratio. Enter the original size and a new width or height - the other side is filled in. Presets for 16:9, 4:3, 1:1, 9:16 and common resolutions.

Calculate your exact age in years, months, days, hours, and minutes from your birth date. Find out how many days until your next birthday and discover interesting facts about your age. Great for birthday planning and age verification.

Calculate VAT (Value Added Tax) amounts by adding or removing VAT from any price. Supports custom VAT rates for different countries. Useful for businesses, accountants, and international transactions.

Calculate percentages, percentage increases, decreases, and differences between numbers. Find what percent one number is of another. Essential for financial calculations, discounts, and data analysis.

Calculate the exact difference between two dates in years, months, weeks, and days. Add or subtract days from any date to find future or past dates. Useful for project planning, age calculation, and deadline tracking.

Convert between different units of measurement including length, weight, temperature, volume, area, and speed. Supports metric and imperial systems. Comprehensive tool for students, engineers, and international users.

Calculate monthly loan payments, total interest, and amortization schedules for any loan amount. Compare different interest rates and loan terms. Plan your finances with detailed payment breakdowns.

Calculate your Body Mass Index (BMI) from height and weight measurements. Get health category classification and healthy weight range. Supports both metric and imperial units for global users.

Calculate tips based on bill amount and service quality rating. Split bills among multiple people with per-person totals. Never struggle with restaurant math again.

Convert times between any time zones worldwide with daylight saving time support. Schedule meetings across continents and track multiple time zones. Essential for remote teams and international communication.

Precise stopwatch with lap recording and countdown timer functionality. Track multiple activities with named laps. Perfect for sports, cooking, and time management.

Boost your productivity with the Pomodoro technique. Work in focused 25-minute intervals with short breaks. Features adjustable durations, session tracking, audio notifications, and a visual circular progress indicator.

Visualize your life as a grid of weeks. See how many weeks you've lived and how many remain. A minimalist perspective on life's precious time.

Track how much of the year has passed with real-time progress bars for year, month, week, and day. Features a circular progress ring, month-by-month grid visualization, and live statistics including day of year, week number, and time remaining.