7 Free Tools

Utility & Everyday Calculators

Quick, practical calculators for everyday use. Calculate percentages, discounts, restaurant tips, exact age from birthdate, days between dates, working days, and time durations — all free, instant, no sign-up.

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Percentage Calculator

Calculate percentages, percentage increase or decrease, and percentage difference instantly.

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Discount Calculator

Calculate sale price, discount amount, and total savings from original price and discount percentage.

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Tip Calculator

Calculate tip amount and split the bill between any number of people at restaurants.

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Age Calculator

Calculate exact age in years, months, and days from date of birth with next birthday countdown.

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Date Difference Calculator

Find the exact number of days, weeks, months, and years between any two dates.

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Working Days Calculator

Count business working days between two dates, automatically excluding weekends.

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Time Duration Calculator

Calculate exact duration between two date and time values in hours, minutes, and seconds.

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