The small calculations that come up constantly, each on its own page. The age calculator gives exact age in years, months and days plus a birthday countdown, the tip calculator splits a restaurant bill any number of ways, and the discount calculator shows the final price and the amount saved on a sale.
Everyday Tools
Everyday Tools & Calculators
10 free everyday tools calculators — each with its own page, the formula explained, a worked example and FAQs.
All Everyday Calculators
Age Calculator
Exact age in years, months and days
Tip Calculator
Calculate tip and split the restaurant bill
Discount Calculator
Final price after any discount percentage
Days Between Dates Calculator
Count days, weeks or months between two dates
Fuel Cost Calculator
Estimate road trip fuel cost by distance
Currency Converter
Convert between major world currencies
Pace Calculator
Running pace, speed and finish time
Word Counter
Count words, characters and reading time
Time Zone Converter
Convert time across world time zones
Random Number Generator
Generate random numbers in any range
How to choose the right calculator
For planning, the days between dates calculator counts working days to a deadline, the fuel cost calculator estimates a road trip by distance and efficiency, and the pace calculator links distance, time and speed for race training. The word counter, time-zone converter and currency converter handle the rest of everyday life.
Frequently Asked Questions
Yes. It counts the exact number of days between the two dates, so February 29ths are handled correctly.
It splits the total (bill plus tip) evenly across the number of people you enter. For uneven splits, calculate each person's share of the bill first, then apply the tip percentage.
The converter uses recent reference rates for planning and budgeting. For an exact transaction amount, check with your bank or payment provider.