Calculate your exact age in years, months, and days. See total days lived and countdown to next birthday.
Generate random numbers within any range. Perfect for games, decisions, and sampling.
Calculate your GPA from letter grades and credit hours. Supports A through F grading scale.
Convert between common units — temperature, weight, length, and volume.
Flip a virtual coin. Track heads vs tails over multiple flips.
Roll 1-10 dice with 4, 6, 8, 10, 12, or 20 sides. Perfect for board games and D&D.
Some calculations come up in daily life more often than you'd expect. These tools handle the quick math and random generation tasks that people search for millions of times every month.
The age calculator shows your exact age in years, months, and days, plus total days and hours lived. It also counts down to your next birthday. This is useful for legal age verification, milestone tracking, and satisfying curiosity about exactly how many days you've been alive.
The GPA calculator supports the standard 4.0 scale used by most American colleges. Enter your courses, letter grades (A+ through F), and credit hours to calculate your cumulative grade point average. It tells you whether you're on track for Dean's List (3.7+), good standing (3.0+), or academic warning (below 2.0).
The random number generator produces random numbers within any range, with the option to generate multiple numbers at once. The coin flip simulator tracks heads versus tails statistics over multiple flips. The dice roller supports standard gaming dice from d4 through d20, rolling multiple dice simultaneously — perfect for tabletop RPGs and board games.
The unit converter handles temperature (Celsius, Fahrenheit, Kelvin), weight (kilograms, pounds, ounces, grams), length (meters, feet, inches, centimeters, kilometers, miles), and volume (liters, gallons, milliliters, fluid ounces, cups). All conversions happen instantly as you type.