Free calculators pre-filled with real-time rates from the Federal Reserve, Freddie Mac, and U.S. Treasury. Make financial decisions based on today's actual numbers — not outdated assumptions.
Rate data sourced from FRED® API — Federal Reserve Bank of St. Louis. Last updated: May 13, 2026
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Every tool pre-filled with live data. No outdated assumptions — just accurate results based on today's real rates.
Calculate monthly payments with today's live mortgage rates pre-filled automatically.
See how your money grows over time with live Federal Reserve rate data.
Find out exactly when you'll be debt-free and how much interest you'll save.
Plan your retirement with live inflation data from the Federal Reserve.
Calculate your 2026 federal income tax and see your effective tax rate.
Build a monthly budget using the proven 50/30/20 rule.
Find out if you qualify for a loan with your current debt load.
Calculate exactly how much you need in your emergency fund.
Calculate returns on investments with benchmark comparisons.
Calculate your total net worth by adding assets and subtracting liabilities.
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Most financial calculators use outdated or assumed rates. We pull real data from official government sources every single day.
Every calculator pre-fills with real rates from the Federal Reserve, Freddie Mac, and U.S. Treasury — updated daily so your calculations reflect today's reality.
Our calculators use the same formulas as banks and financial institutions. No shortcuts, no approximations — just precise results you can rely on.
No sign-up required. No paywalls. No waiting. Get your financial answers in seconds, completely free.
All calculations happen in your browser. We never store your financial data. What you calculate stays between you and your screen.
We never make up rates. Every number comes from a verified official source.
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