Financial calculators help you plan, compare, and make sense of money decisions — from loans and mortgages to savings, interest, taxes, and investment returns. Each tool turns a formula into a simple form: enter your numbers and get an instant, clearly explained result.
Browse the most-used financial calculators below, or open the Trending tab to see what's gaining attention this week. Every calculator is free, works on any device, and shows the method behind the answer.
- Tax Calculator
- Loan Calculator
- Interest Calculator
- Margin Calculator
- Salary Calculator
- Savings Calculator
- Payment Calculator
- Income Calculator
- Inflation Calculator
- Credit Card Calculator
- Deposit Calculator
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Reverse Sales Tax CalculatorCalculate the pre-tax amount with this Reverse Sales Tax Calculator. Input total amount including tax and tax rate to determine original price before tax was applied.
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Daily Interest CalculatorEnter principal, annual interest rate, and number of days to get the daily rate, interest earned for the period, and total amount on a 365-day basis.
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Credit Card Minimum Payment CalculatorEnter your credit card balance, APR, and minimum payment percentage to see your minimum monthly payment, time to pay off, total interest, and total cost.
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Reverse Inflation CalculatorCalculate the past value of money with our Reverse Inflation Calculator. Easily determine how much your current money was worth in the past, accounting for inflation rates over time. Free, accurate, and user-friendly tool for financial planning and historical value comparison.
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YouTube Revenue CalculatorEstimate your potential YouTube earnings with our free YouTube Revenue Calculator. Input your monthly views, CPM, and click-through rate to calculate your estimated ad revenue and yearly income.
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Inflation CalculatorEnter a starting amount, start and end year, and an average annual inflation rate to get the total and percentage change for your selected period.
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Interest Rate CalculatorCalculate interest rates effortlessly with this Interest Rate Calculator. Input principal amount, interest rate, time, and compound frequency for accurate results. Optimize your financial planning today!
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Savings Interest CalculatorEnter your initial deposit, annual interest rate, and months to see total interest, final balance, average monthly interest, and effective APY.
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APY CalculatorEnter initial investment, annual interest rate, compounding frequency, and term to get APY, final balance, and total interest earned.
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CD Early Withdrawal Penalty CalculatorEstimate the interest penalty for cashing out a certificate of deposit early. Enter your CD principal, APR, and penalty days to see the cost.
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Rent CalculatorCalculate affordable rent based on your income and debt. Input your pre-tax monthly income and monthly debt payments to determine a suitable rent amount for your budget.
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Compound Annual Growth Rate CalculatorEnter beginning value, ending value, and years to calculate your compound annual growth rate (CAGR) and see the annualized return instantly.
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Vietnam Household Business Tax CalculatorEstimate VAT and personal income tax for a Vietnamese household business under Decree 141/2026 and 253/2026 across four revenue bands.
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Net Paycheck Calculator by StateEstimate US state income tax with flat-rate, progressive bracket, or no-tax options. See your state tax, net income, and effective rate instantly.
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Pay Period to Annual Salary CalculatorFind how many paychecks you get per year by pay frequency (weekly, bi-weekly, semi-monthly, monthly) and your gross pay per check.
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Discount Factor (Present Value of $1) Table CreatorCalculate your fixed monthly mortgage payment, total interest, and full amortization breakdown from loan amount, interest rate, and term.
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Savings Account vs CD CalculatorCalculate your Certificate of Deposit's value at maturity, total interest earned, and effective APY using compound interest. Free CD vs savings calculator.
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Time to Reach $1 Million Savings CalculatorCalculate how many months and years it takes to reach a savings goal with fixed monthly contributions and compound interest. Free savings goal time calculator.
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Gross Monthly Income from Hourly Wage CalculatorConvert an hourly wage into annual, monthly, weekly and daily gross income using your hours per day, days per week and weeks per year.
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Tax Deduction Savings Calculator: Marginal vs. Effective RateEstimate how much tax a deduction actually saves you. Multiply your deduction by your marginal tax rate to see real savings and net cost.
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Salary Cap Percentage Calculator — Max Housing Cost as a % of Salary (28% Rule)Estimate your maximum affordable monthly housing cost from your annual salary using the 28% rule. Adjust the ratio and see monthly and annual limits.
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NFT Gas Fee Calculator (Ethereum Minting & Transactions)Calculate Ethereum gas fees in USD and ETH from gas units, gas price in Gwei, and the current ETH price. Free, fast transaction cost estimator.
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Pass-Through Entity Tax Savings Calculator (S-Corp Salary vs Distribution)Estimate the self-employment tax you save with an S-Corp election (US). Compare reasonable salary vs distributions and the 15.3% SE tax avoided.
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Inflation-Adjusted Gift Savings Calculator (Future Cost)Calculate what today's price will cost in the future after inflation. Enter a current price, inflation rate, and years to see the future dollar amount.
Frequently asked questions
What can I use a financial calculator for?
Financial calculators cover everyday money tasks such as loan and mortgage payments, interest and APR, savings growth, inflation, currency, tax estimates, and investment returns. Pick the tool that matches your question and enter your figures for an instant result.
Are these financial calculators free to use?
Yes. Every calculator in this category is free, needs no sign-up, and works on both desktop and mobile.
How accurate are the results?
Each calculator uses standard financial formulas and is tested against published reference values. Results are estimates for planning and education — for major decisions, confirm the figures with your bank, lender, or a licensed financial professional.
Do you store the numbers I enter?
No. Calculations run in your browser, and your inputs are not logged, saved, or shared.
Which financial calculators are most popular?
The list on this page is ordered by how often each tool is used, so the most popular calculators appear first. Open the Trending tab to see what is rising this week, or Recently added and Last updated for the newest tools.
