Everyday Life Calculators
Our everyday calculators handle the practical maths you reach for in daily life — how much to tip at a restaurant, how old you are in exact days, or how much you save in a sale.
Each tool is designed to be simple and fast. Enter your numbers and get an answer in one click.
Keep these bookmarked for moments when you need a quick, reliable answer without having to work it out by hand.
Most Used
Calculate your exact age in years, months, and days. Find the time between any two dates.
All Everyday Calculators (12 tools)
Age Calculator
☀️Calculate your exact age in years, months, and days. Find the time between any two dates.
Use calculatorDate Calculator
☀️Add or subtract days, weeks, or months from any date. Find the difference between two dates.
Use calculatorTip Calculator
☀️Calculate the tip amount and total bill. Split the bill evenly between any number of people.
Use calculatorDiscount Calculator
☀️Calculate the sale price after a percentage discount. See how much you save on any purchase.
Use calculatorUnit Converter
☀️Convert length, weight, temperature, volume, and speed between common metric and imperial units instantly.
Use calculatorFuel Cost Calculator
☀️Calculate the fuel needed and total cost for any journey based on distance, fuel efficiency, and price per litre or gallon.
Use calculatorReading Time Calculator
☀️Estimate how long it takes to read or speak any text based on word count and average reading or speaking speed.
Use calculatorGrade Calculator
☀️Calculate your weighted average grade across multiple assignments, convert to letter grade and GPA on a 4.0 scale.
Use calculatorPace Calculator
☀️Calculate your running or walking pace, speed, and projected finish times for any distance including 5K, 10K, half marathon, and marathon.
Use calculatorTime Calculator
☀️Add or subtract hours, minutes, and seconds, or find the exact duration between two times of day.
Use calculatorGPA Calculator
☀️Calculate your semester and cumulative GPA on a 4.0 scale by entering courses, grades, and credit hours.
Use calculatorPaint Calculator
☀️Calculate how much paint you need for a room based on wall dimensions, number of coats, and standard tin sizes (1L, 2.5L, 5L).
Use calculator