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277 tools
Calculate your age accurately by a set date with our easy-to-use age calculator tool. Answer the question, how many days old am I instantly! Try it now.
This free date calculator computes the difference between two dates. It can also add to or subtract from a date. Both can deal with business days and holidays.
This free time calculator can add or subtract time values in terms of number of days, hours, minutes, or seconds. Also, learn the different concepts of time.
Free calculator to get the number of hours, minutes, and seconds between two times. Also, a full version to calculate the time duration between two dates.
Use the horsepower calculator to estimate the current engine horsepower of your car. This tool provides you with results in horsepower units as well as in watts and other power units.
This free fuel cost calculator estimates the fuel cost of a trip based on fuel efficiency, distance, and gas price using various units of measurement.
Effortlessly determine speed, distance, and time using our speed calculator—a perfect tool for finding average speed for a given time and distance. Try it now!
This tire size calculator finds the tire diameter, sidewall height, and circumference, using the tire code on the tire. It includes a tire comparison feature and tire size speedometer calculator.
This calculator estimates bra size based on bust size, frame size, and common measurement standards. Also, convert bra sizes in the US, UK, EU, and Australia.
This free tool converts between shoe sizes used in the U.S., Canada, UK, India, EU, Japan, Mexico, and China and can also convert between shoe sizes in these countries and foot length.
This lighting calculator determines how many light bulbs you need to illuminate a particular space.
Lumens to watts calculator will help you calculate the efficiency of your light-emitting diodes and other bulbs based on their brightness-to-power ratio. Or, you can find the required watts based on their lumens and efficacy.
This free time card calculator generates weekly time reports based on provided work times and hourly rates. It can account for various overtime situations.
The Yes or No Generator is the ultimate decision tool for "Yes" or "No" questions. The calculator randomly generates "Yes" or "No" answers for you.
The age difference calculator determines the age gap between two people.
The baby age calculator helps you find a baby's age chart and keep track of important milestones in your newborn's first couple of years.
This birthday calculator estimates your age and the time left until your next birthday.
The business days calculator finds the number of working days in the given period of time.
Free day counter to calculate the number of days between two dates, including the number of working days, weekends, and holidays.
The hours calculator can add and convert hours, find the hours between two times, determine weekly working hours, and tell you what time it'll be some hours from now.
If you want to find the phase of the Moon on a particular date, this Moon phase calculator is for you. You'll also learn how to work it out yourself!
Calculate the exact number of days between any two dates. Includes weekday/weekend breakdown and multiple time unit outputs.
Free online us to eu shoe size converter between international sizing standards. Find your perfect fit when shopping from different countries.
Free online us to uk shoe size converter between international sizing standards. Find your perfect fit when shopping from different countries.