Our calculator converts a stock’s price change, dividends and CPI data into real returns, showing true purchasing-power growth. U.S. equities delivered an average 6.8 % real annual return from 1926-2022 (Ibbotson SBBI Yearbook, 2023).
The acid-test ratio compares your most liquid assets with debts due inside 12 months; a score above 1 suggests healthy short-term liquidity for most non-financial firms (Investopedia, 2023).
The Rule of 72 lets you estimate doubling time by dividing 72 by your annual return—an 8 % return doubles money in roughly nine years (J.P. Morgan Guide to Markets, 2023).
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Enter a risk-free rate, beta and expected market return to instantly see your cost of equity via the CAPM formula. U.S. 10-year Treasury yield averaged 3.9 % in 2023 (U.S. Treasury, 2024).
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Weighted averages multiply each data point by its weight, sum the products, then divide by the total weight—this method explains 92 % of long-term portfolio return differences (Brinson et al., 1986). Use our calculator by entering any set of weights and corresponding values to get an instant, error-free result.
Enter your annual interest rate, press “Calculate,” and the tool returns the exact years needed for your money to double; for example, at 7 % it takes roughly 10.24 years (Investopedia, 2023). It uses the natural-log formula, not the rough Rule of 72.
Use the Monthly EMI Calculator to preview fixed loan payments in seconds. Enter loan amount, annual rate and term; the tool applies the annuity formula to return your monthly cost, total interest and overall repayment. Example: a $25,000 loan at 4.8% for 60 months equals ≈ $464 per month—exactly what U.S. auto borrowers pay on average (Experian Auto Finance Report 2023).
