60+ calculators for finance, health, math, and everyday use
Quick access to our most popular calculator categories
Choose a category to find the calculator you need
Loans, mortgages, investments, and savings calculators
BMI, BMR, calorie, and fitness calculators
Percentage, algebra, and statistics calculators
Tips, dates, time, and daily use calculators
Recipe scaling, measurements, and construction calculators
GPA, grades, and academic calculators
Most used calculators by our visitors
Calculate monthly loan payments with interest
Check your body mass index and health category
Calculate tips and split bills easily
Calculate percentages, changes, and ratios
Estimate monthly mortgage payments
Calculate your exact age in years and days
See how your investments grow over time
Calculate monthly savings needed
Calculate your basal metabolic rate
Calculate sale prices and discounts
Find the difference between two dates
Convert between different units
Calculate total daily energy expenditure
Calculate car loan payments and total cost
Plan for retirement and savings goals
Add, subtract, multiply, and divide fractions
Calculate sales tax and final price
Add and subtract time durations
Calculate protein, carbs, and fat needs
Solve quadratic equations step by step
Calculate how long to pay off credit card debt
Find your ideal body weight range
Calculate square roots and powers
Convert between different currencies
Your trusted source for fast, accurate, and free online calculators
CalculatorSets is a comprehensive collection of 100+ free online calculators designed to make your life easier. Whether you're planning your finances, tracking your health goals, solving complex math problems, or handling everyday calculations, we provide instant, accurate results with detailed explanations.
No subscriptions, no hidden fees, no registration required
All calculations happen in your browser, we don't collect your data
Perfect experience on phones, tablets, and desktops
See calculations update as you type, no waiting
Save and share your calculations via URL
Every calculator includes formulas, examples, and FAQs
Get started in seconds with our easy-to-use tools
Browse by category or search for the specific calculator you need. We have 100+ tools across 8 major categories.
Simply type in your numbers. Results update instantly as you type - no submit button needed!
See your calculation results immediately, along with detailed breakdowns, formulas, and explanations.
Use the "Share Link" button to save your calculation or share it with others. The URL contains all your inputs!
Everything you need to know about CalculatorSets
Yes! All 100+ calculators on CalculatorSets are completely free to use. No subscriptions, no hidden fees, no registration required. We believe everyone should have access to quality calculation tools.
No. All calculations happen locally in your browser. We don't collect, store, or transmit any data you enter into our calculators. Your privacy is our priority.
Very accurate! All our formulas are verified and sourced from trusted references. However, for important financial, medical, or legal decisions, always consult with a qualified professional.
Absolutely! All our calculators are mobile-friendly and work perfectly on phones, tablets, and desktops. The responsive design ensures a great experience on any device.
Click the "Share Link" button on any calculator. This creates a URL with your inputs encoded in it. Bookmark the link or share it with others to preserve your calculation.
Yes! We love hearing from our users. If you have an idea for a calculator we should add, please contact us. We regularly add new calculators based on user feedback.
No account needed! Just visit any calculator and start using it immediately. We don't require registration for any of our tools.
Yes, you're free to use our calculators for personal or commercial purposes. However, please don't copy our code or remove our branding without permission.