Everyday Life Calculators

Calculate your exact age in years, months, and days. Find the time between any two dates.

Add or subtract days, weeks, or months from any date. Find the difference between two dates.

Calculate the tip amount and total bill. Split the bill evenly between any number of people.

Calculate the sale price after a percentage discount. See how much you save on any purchase.

Convert length, weight, temperature, volume, and speed between common metric and imperial units instantly.

Calculate the fuel needed and total cost for any journey based on distance, fuel efficiency, and price per litre or gallon.

Estimate how long it takes to read or speak any text based on word count and average reading or speaking speed.

Calculate your weighted average grade across multiple assignments, convert to letter grade and GPA on a 4.0 scale.

Calculate your running or walking pace, speed, and projected finish times for any distance including 5K, 10K, half marathon, and marathon.

Add or subtract hours, minutes, and seconds, or find the exact duration between two times of day.

Calculate your semester and cumulative GPA on a 4.0 scale by entering courses, grades, and credit hours.

Calculate how much paint you need for a room based on wall dimensions, number of coats, and standard tin sizes (1L, 2.5L, 5L).