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Professional mortgage, loan, investment, and tax calculators trusted by millions. Make informed decisions with accurate, real-time calculations.
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Our most-used financial calculators, trusted by homebuyers, investors, and planners.
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Comprehensive tools for every financial decision - from mortgages and loans to investing and taxes.
Mortgage (42 tools)
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Investing (29 tools)
Tax (17 tools)
Insurance (4 tools)
Why Millions Trust Our Calculators
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We use Decimal.js for 20-digit precision, ensuring your financial calculations are accurate to the penny.
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Real-World Formulas
Every calculator uses industry-standard financial formulas verified against authoritative sources.
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Download amortization schedules and results as PDF, Excel, or CSV for your records.
Understanding Mortgage & Finance
What is a Mortgage Calculator?
A mortgage calculator is a financial tool that helps you estimate your monthly mortgage payments based on your loan amount, interest rate, and loan term. Our comprehensive mortgage calculator goes beyond basic principal and interest calculations by including property taxes, homeowners insurance, and private mortgage insurance (PMI) to give you a complete picture of your monthly housing costs, commonly known as PITI (Principal, Interest, Taxes, and Insurance).
Whether you are a first-time homebuyer exploring what you can afford, a current homeowner considering refinancing, or an investor analyzing rental properties, our suite of 100+ financial calculators provides the tools you need to make confident financial decisions.
How Mortgage Payments Work
Every mortgage payment is divided into two parts: principal and interest. In the early years of your loan, most of your payment goes toward interest. As you pay down the balance over time, a larger portion of each payment goes toward principal. This process is called amortization, and our amortization calculator shows you exactly how this shift happens month by month.
M = P × [r(1+r)n] / [(1+r)n - 1]
The standard amortization formula used across all mortgage calculations
Understanding this formula helps you appreciate how even small changes in interest rate or loan term can significantly affect your total costs. For example, on a $400,000 loan, a 0.5% rate reduction can save over $40,000 in interest over 30 years.
Types of Financial Calculators We Offer
Mortgage & Real Estate
From standard mortgage calculations to specialized tools like FHA, VA, and USDA loan calculators. Analyze refinancing options, compare ARM vs fixed rates, calculate PMI costs, and estimate closing costs.
Try Mortgage Calculator →Loans & Debt Management
Calculate payments for auto loans, student loans, personal loans, and more. Use our debt snowball and avalanche calculators to create an optimal payoff strategy.
Try Loan Calculator →Investing & Retirement
Plan for the future with compound interest, 401(k), IRA, and FIRE calculators. Analyze bond yields, stock returns, and dividend reinvestment plans.
Try Compound Interest Calculator →Tax & Income
Estimate income taxes, capital gains, self-employment taxes, and more. Calculate your take-home pay and find tax-saving opportunities like mortgage interest deductions.
Try Tax Calculator →Ready to Make Smarter Financial Decisions?
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