Free Online Calculators and Converters
Free online calculators for finance, health, math, and everyday needs. Instantly calculate loans, BMI, conversions, and more fast, accurate, and mobile friendly.
Featured Calculators
Finance Calculators
Health & Fitness Calculators
General Calculators
Calculator Categories
Discover powerful calculators organized by category. Each category contains specialized tools designed to help you solve specific problems quickly and accurately.
Finance
Financial calculations and planning tools for loans, investments, retirement, and more.
Health & Fitness
Health and fitness calculators for BMI, calories, TDEE, pregnancy, and wellness tracking.
Math & Statistics
Mathematical and statistical tools for percentages, significant figures, and complex calculations.
General
Miscellaneous calculators and tools for unit conversion, password generation, and everyday needs.
Frequently Asked Questions
Find answers to common questions about our calculators and how to use them effectively.
Are these calculators free to use?
Yes, all calculators on MyCalculatorSite are completely free to use with no hidden fees or subscriptions.
How accurate are the calculations?
Our calculators use standard mathematical formulas and are regularly updated to ensure accuracy. However, they should be used for informational purposes only.
Can I use these calculators on my mobile device?
Yes, our website is fully responsive and works on all devices including smartphones, tablets, and desktops.
Do I need to create an account to use the calculators?
No account creation is required. All calculators are available instantly without registration.
Can I save my calculation results?
Currently, our calculators provide instant results but don't save calculation history. You can bookmark or print your results for future reference.