Financial
Mortgage, loan, compound interest, tip, and discount calculators for everyday financial decisions.
31 free tools available
Making informed financial decisions starts with understanding the numbers. Our free financial calculators help you estimate mortgage payments, compare loan options, project compound interest growth, and analyze other common financial scenarios. Whether you are planning to buy a home, evaluating a personal loan, or building a savings strategy, these tools give you clear, instant results based on standard financial formulas.
Key Financial Concepts
Compound interest is one of the most powerful concepts in finance. Unlike simple interest, which is calculated only on the initial principal, compound interest is calculated on the principal plus all accumulated interest. This creates exponential growth over time, which is why starting to save early can make such a large difference. The Rule of 72 provides a quick estimate: divide 72 by the annual interest rate to approximate how many years it takes to double your money. At 6% annual return, your investment roughly doubles every 12 years.
Mortgage and Loan Calculations
Mortgage and loan calculators use the standard amortization formula to compute fixed monthly payments. Each payment is split between interest and principal repayment. In the early years of a loan, the majority of each payment covers interest. Over time, more of each payment goes toward reducing the principal. Understanding this breakdown helps you evaluate whether to make extra payments, choose between loan terms, and assess the total cost of borrowing. Our mortgage calculator shows a complete month-by-month amortization schedule so you can see exactly where every dollar goes.
Planning and Comparison Tools
Beyond basic calculations, our financial tools help you compare scenarios side by side. Compare 15-year versus 30-year mortgage terms to see the trade-off between monthly payment size and total interest paid. Evaluate how different down payment amounts affect your loan. Project investment growth under different contribution and return scenarios. Each calculator is designed for homebuyers, investors, students, and anyone managing personal finances. All computations run in your browser, so your financial data stays completely private.