MortgageCalculator.com was built with a simple goal: give every homebuyer free access to the same tools and data that mortgage professionals use. We believe that understanding your mortgage shouldn't require a finance degree or an expensive consultation.
Our calculators are designed to be accurate, transparent, and easy to use. Whether you're buying your first home, refinancing an existing mortgage, or exploring how extra payments could save you money, our tools help you make confident, data-driven decisions.
We take accuracy seriously. Our rate data comes from the Federal Reserve Economic Data (FRED) database, maintained by the Federal Reserve Bank of St. Louis. This is the same data source used by economists, researchers, and financial institutions worldwide.
All calculations use standard amortization formulas used throughout the mortgage industry. Our tools are regularly tested against professional-grade mortgage software to ensure accuracy.
We don't require registration, logins, or personal information to use any of our calculators. Your financial data stays in your browser — we never store or transmit your inputs. Read our full Privacy Policy for details.
While we strive for accuracy, the information and tools on MortgageCalculator.com are for educational purposes only. We are not a lending institution, mortgage broker, or financial advisor. Always consult with a licensed mortgage professional before making financial decisions. See our full Disclaimer.