All Tools
Mortgage Calculator
Calculate monthly mortgage payments, total interest, and view amortization schedule.
Compound Interest Calculator
Calculate investment growth with compound interest. See how your money grows over time.
Meeting Cost Calculator
Calculate the real cost of meetings based on attendees, duration, and salaries. See the true price of meetings.
Pomodoro Timer
Boost productivity with the Pomodoro Technique. 25-minute work sessions with 5-minute breaks.
Countdown Timer Maker
Create countdown timers to any date. Perfect for events, deadlines, holidays, and product launches.
Percentage Calculator
Calculate any percentage instantly. What is X% of Y? Find percentage of a number, percentage change, or percent of a percentage. Free online calculator.
Age Calculator
Calculate exact age from birthdate in years, months, and days
Time Duration Calculator
Add and subtract hours, minutes, and seconds. Calculate total duration from multiple time entries.
Hourly to Salary Converter
Convert between hourly rate, monthly salary, and annual salary. Calculate your true earnings.
Date Difference Calculator
Calculate the difference between two dates
Tip Calculator
Calculate tips and split bills instantly. 15%, 18%, 20% or custom. Works on any device.
BMI Calculator
Calculate Body Mass Index with health category
Loan Calculator
Calculate loan payments, interest, and amortization
Discount Calculator
Calculate sale prices and savings from discounts
Fuel Cost Calculator
Calculate trip fuel cost based on distance and fuel consumption. Supports metric and imperial units.
Aspect Ratio Calculator
Calculate image dimensions while maintaining aspect ratio. Resize without distortion.