Simple, free calculator tools for finance, math, health and more
Calculate monthly mortgage payments, interest, and amortization schedules.
Compare your current mortgage with refinancing options to see potential savings.
Estimate dividend income and returns from your stock investments.
See how your investments grow over time with compound interest.
Track total interest paid on loans or earned on investments over time.
Calculate loan payments, total interest, and payoff schedules.
Calculate auto loan payments, interest, and see how trade-ins affect your car financing.
Plan your retirement savings and estimate your retirement income.
Calculate investment returns and compare different investment options.
Convert between different currencies using current exchange rates.
Calculate potential stock returns and analyze investment performance.
Calculate appropriate tip amounts for restaurants and services.
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Calculate percentages, percentage changes, and proportions.
Add, subtract, multiply, and divide fractions easily.
Perform advanced mathematical calculations with scientific functions.
Convert between different units of measurement.
Calculate your Body Mass Index (BMI) and determine your weight category.
Estimate your daily calorie needs based on your activity level.
Estimate your body fat percentage using different measurement methods.
Calculate your due date and track your pregnancy milestones.
Calculate appropriate tip amounts for restaurants and services.
Calculate the duration between dates or add/subtract days from a date.
Calculate your exact age in years, months, weeks, and days.
Add or subtract hours, minutes, and seconds easily.
Welcome to Free Calculator App, your go-to resource for free online calculators. Our site offers a comprehensive collection of calculators for finance, math, health, and many other categories. Whether you're calculating mortgage payments, planning your retirement, or working on mathematical problems, our calculators provide accurate results with a user-friendly interface.
Our most popular calculator categories include:
Our financial calculators help you make informed decisions about your money. Calculate mortgage payments, loan amortization, investment returns, and more. These tools are essential for financial planning and can help you understand the implications of different financial choices.
Our math calculators simplify complex calculations and conversions. Whether you need to work with percentages, fractions, scientific notation, or unit conversions, our tools make it easy to get accurate results quickly.
Our health and fitness calculators help you monitor your well-being. Calculate your BMI, daily calorie needs, body fat percentage, and more to support your fitness goals and healthy lifestyle.
Browse our collection of free calculators above and bookmark this page for easy access to all our calculator tools. If you have suggestions for new calculators or improvements to existing ones, please contact us. We're constantly expanding our collection to better serve your calculation needs.