Everyday Calculators
Free everyday calculators for percentages, tips, ages, and quick math. Handy tools you reach for daily, with transparent formulas and instant results — no signup, no ads on the calculator itself.
Percentage Calculator
Calculate percentage increase, decrease, percent of, and percent change with clean breakdowns.
Tip Calculator
Split bills and calculate tip per person for any group size, with custom tip percentages.
Age Calculator
Calculate exact age in years, months, weeks, and days from any birth date to any target date.
Quick math, done right
The Percentage Calculator handles every percentage variation in one place — percent of a number, what percent one number is of another, percent increase, percent decrease, and percent change. Whether you're calculating a discount, a tax, a tip base, or a year-over-year change, the steps are shown.
Tip Calculator splits bills by group size with custom tip percentages — useful beyond restaurants for hair salons, contractors, or any service with a gratuity. Age Calculator returns exact age in years, months, weeks, and days from any birth date, which is useful for forms, applications, and milestones.