Everyday Calculators
7 free tools
Everyday online calculators: basic calculator, percentage, age, days between dates, GPA, random numbers and a fair dice roller. Instant and free.
Basic CalculatorA fast, distraction-free calculator for everyday arithmetic. Use your mouse or keyboard, see your recent calculations and copy results with one click.Percentage CalculatorSolve every common percentage question in one place — what is X% of Y, X is what percent of Y, percentage increase or decrease, and the percentage difference between two values. Results update as you type.Age CalculatorEnter a date of birth to find the exact age in years, months and days, total days lived, the countdown to the next birthday, and the day of the week the person was born.Date Difference CalculatorFind exactly how much time lies between two dates in years, months, weeks and days, count working days, or add and subtract days from a date to find a deadline.GPA CalculatorAdd your courses, grades and credit hours to calculate your GPA on the standard 4.0 scale. Include your previous cumulative GPA to see your updated overall average.Random Number GeneratorPick random numbers between any minimum and maximum. Generate a single number or a whole list, with or without duplicates — perfect for raffles, games, sampling and lottery picks.Dice RollerRoll one or many virtual dice for board games, tabletop RPGs and classroom activities. Supports all standard dice, modifiers and dice notation like 2d6+3.