Utilities

Online Utility Calculators

Fast calculators for percentages, dates, age, rule of three, conversions, discounts, and everyday tasks.

Area Calculator

Calculate the area of geometric shapes: rectangle, circle, triangle, and trapezoid. Convert between m², ft², and varas².

Calculate your exact age in years, months, and days, with additional info like zodiac sign and generation

Date Calculator

Calculate the difference between two dates or add/subtract days, months, and years.

Convert clothing and shoe sizes between US, EU, UK, and MX/Latam systems instantly

Convert between different units of measurement: length, weight, temperature, volume, and more.

Salary Converter

Convert your salary between different pay frequencies: hourly, daily, weekly, biweekly, monthly, and annual

Discount Calculator

Calculate the discounted price, discount percentage, or original price

Days Between Dates Calculator

Calculate how many days, weeks, months, and hours between two dates. Includes business days.

Online Percentage Calculator

Calculate percentages quickly: find the percentage of a number, calculate percentage changes, and apply increases or discounts

Wedding Budget Calculator

Plan your wedding with an organized budget. Distribute your budget across main expense categories

Rule of Three Calculator

Solve proportions with simple (direct and inverse) and compound rule of three