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277 tools
Take a quick quiz on 120-day date calculations forward or backward, including leap year effects.
Test your knowledge of age in months — from lunar cycles to quick calculations.
Wondering how many days until freedom? Our retirement countdown calculator is here to help you calculate the exact number of days until your retirement.
Use this time adder calculator to find the total of multiple time values quickly and easily.
The time between dates calculator helps you work out exactly how much time lies between two dates. Get your answer in any unit from seconds to years, and even exclude weekends in the calculation!
This time in between calculator finds the amount of time between two hours.
Our time to hours calculator can help you to convert the time you need into decimal hours.
Our time until calculator gives you a precise estimate of the time from now to any date and time of your choice.
Use our UK to US shoe size converter to switch between those sizing methods.
This calculator will help you keep track of how many more days there are until your vacation starts!
This wedding countdown calculator displays the time remaining until your big day.
Use this working days calculator to calculate the number of working days between two dates.
Find the number of years between two dates with the years between two dates calculator.