Free Online Tools & Calculators

Calculate monthly payments, total interest, and amortization schedule for any loan.

Calculate your monthly mortgage payment including principal, interest, taxes, and insurance.

Quickly calculate tip amounts and split bills with friends. Perfect for restaurants and services.

Convert between hourly, monthly, and annual salary. Calculate take-home pay and deductions.

Calculate your Body Mass Index and understand your weight category. Get health recommendations.

Calculate daily calorie needs based on your age, weight, height, and activity level.

Calculate your exact age in years, months, weeks, days, hours, and minutes from your birthdate.

Calculate the difference between two dates in days, weeks, months, or years.

Create a countdown timer to any future date. Perfect for events, deadlines, and milestones.

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

Generate QR codes for URLs, text, phone numbers, and more. Free and instant.