CalculatorSupreme.com
The One Calculator Website to Rule Them All
Growing collection of free online calculators for finance, health, education, business, and more. From mortgage and loan calculations to BMI and GPA, find calculators for your needs in one place.
What calculators can I find here?
Our comprehensive collection includes financial calculators (mortgage, loan, investment), health calculators (BMI, calorie, TDEE), educational tools (GPA, grade), business calculators (ROI, profit margin), and hundreds more. All calculators are free, instant, and require no registration.
Calculator Categories
Explore our extensive collection of calculators organized by category
Finance & Investment
Mortgage, loans, investments, retirement planning
150+ calculators →Health & Fitness
BMI, calorie, TDEE, body fat, macro calculators
120+ calculators →Education & Academic
GPA, grades, study time, financial aid
100+ calculators →Business & Productivity
ROI, profit margins, payroll, marketing metrics
130+ calculators →Real Estate & Property
Property values, rent vs buy, rental yields
120+ calculators →Math & Science
Percentage, fractions, geometry, physics
150+ calculators →Auto & Transportation
Auto loans, gas costs, depreciation, insurance
130+ calculators →Lifestyle & Personal
Age, life expectancy, tips, travel costs
100+ calculators →Why Choose CalculatorSupreme?
The most comprehensive calculator platform designed for accuracy, speed, and ease of use
Instant Results
Get accurate calculations in milliseconds. No waiting, no loading screens.
Free & Private
No registration required. All calculations happen in your browser.
Industry-Standard Formulas
Every calculator uses verified formulas trusted by professionals.
Save Time
Stop doing manual calculations. Get results instantly with our tools.
Growing Community
Join users who rely on our calculators for their calculations.
Smart & Intuitive
User-friendly interfaces designed for everyone, from students to professionals.
Popular Calculators
The most used calculators on our platform
GPA Calculator
Calculate your Grade Point Average (GPA) for college and high school
Calorie Calculator
Calculate your daily calorie needs for weight loss, maintenance, or gain
Unit Converter
Convert between different units of measurement instantly
Percentage Calculator
Calculate percentages, percentage changes, and percentage differences easily
Mortgage with Extra Payments Calculator
Calculate how extra payments can dramatically reduce your mortgage term and total interest paid with our comprehensive mortgage calculator.
Mortgage Refinance Calculator
Determine if refinancing your mortgage makes financial sense with our comprehensive refinance calculator that includes closing costs and break-even analysis.
Auto Loan Calculator
Calculate your car loan payments, total interest, and see how different terms affect your monthly payment with our comprehensive auto loan calculator.
Personal Loan Calculator
Calculate monthly payments, total interest, and repayment schedule for personal loans with our comprehensive personal loan calculator.
Student Loan Calculator
Calculate student loan payments, interest costs, and explore repayment options including income-driven plans with our comprehensive calculator.
Growing Calculator Platform
Join our community of users
Free Calculators
Cost to Use
Results
Calculations
Frequently Asked Questions
What types of calculators are available on CalculatorSupreme.com?
We offer calculators across 8 major categories including financial calculators (mortgage, loan, investment), health calculators (BMI, calorie, TDEE), educational tools (GPA, grade), business calculators, real estate tools, math/science calculators, auto calculators, and lifestyle tools. All calculators are free to use with no registration required.
Are the calculators on CalculatorSupreme.com free to use?
Yes, all calculators on CalculatorSupreme.com are completely free to use. There are no hidden fees, no registration requirements, and no limits on how many times you can use them. We believe everyone should have access to accurate calculation tools.
How accurate are the calculations?
Our calculators use industry-standard formulas and are regularly tested for accuracy. Each calculator is designed with proper validation and error checking. However, for critical financial or health decisions, we always recommend consulting with qualified professionals.
Can I save or share my calculation results?
Yes! Each calculator includes a share button that creates a unique link with your input values pre-filled. You can bookmark this link or share it with others. Results can also be copied to your clipboard for easy reference.
Can't Find What You're Looking For?
With our growing collection of calculators, we have tools for many calculation needs. Use our search to find exactly what you need.