Calculators

Percentage Calculator

Calculate percentages, percentage change, and percentage of numbers.

Tip Calculator

Calculate tips for restaurant bills with split bill options.

BMI Calculator

Calculate your Body Mass Index (BMI) and understand your weight category.

Age Calculator

Calculate your exact age in years, months, days and discover fun facts about your birthday.

Loan Calculator

Calculate monthly payments, total interest, and amortization schedule for loans.

Pomodoro Timer

Boost productivity with the Pomodoro technique. Customizable focus and break intervals.

Invoice Generator

Create professional invoices with customizable fields. Print or save as PDF.

Currency Converter

Convert between 30+ world currencies with live exchange rates.

Aspect Ratio Calculator

Calculate aspect ratios and scale dimensions while maintaining proportions.

Stopwatch

Online stopwatch with lap times. Track your time with precision down to milliseconds.

Discount Calculator

Calculate discounts, sale prices, and savings. Find original price from discount percentage.

Date Calculator

Calculate days between dates, add or subtract days, weeks, months from any date.

Compound Interest Calculator

Calculate compound interest and see how your investments grow over time with monthly contributions.