Savings & Investment

Calculate compound interest with regular contributions. See how your money grows over time with daily, monthly, or annual compounding.

Calculate the impact of inflation on purchasing power over time. See how much past dollars are worth today.

Calculate your net worth by adding up assets (savings, investments, property) and subtracting liabilities (loans, credit cards).

Calculate how much to save monthly to reach your goal, or when you will reach it with current contributions.

Calculate your target emergency fund (3-12 months) and how long to build it with current savings rate.

Calculate CD earnings with different terms and APYs. Compare 3-month to 5-year CDs side by side.

Calculate Series I Savings Bond value with current composite rate. See early redemption penalty and year-by-year growth.

Project dividend income growth with DRIP reinvestment. See yield on cost and income in 10/20/30 years.

Calculate return on investment as total ROI and annualized CAGR. Compare simple vs compound returns.

Compare dollar cost averaging vs lump sum investing. See projected returns for both strategies over time.

Calculate your average cost basis across multiple stock purchases. Track unrealized gain or loss.

Calculate the stock price that triggers a margin call. See your current margin and cushion.

Compare municipal bond yields to taxable bonds. See the equivalent taxable yield for your tax bracket.

Calculate current yield and yield to maturity (YTM) from bond price, coupon rate, and maturity.

Calculate inflation-adjusted returns. See the real purchasing power of your investments over time.

Calculate how long until you reach $1 million. See the age you will become a millionaire.

Calculate ROE with DuPont decomposition. Compare to S&P 500 average.

Calculate EE bond value with guaranteed doubling at 20 years. Compare to Series I bonds.

Calculate stock cost basis using FIFO, LIFO, specific ID, or average cost. Compare tax impact of each method.

Calculate call and put option profit/loss, break-even price, and payoff at different stock prices.

Project REIT dividend income and total return with DRIP reinvestment and dividend growth.

Calculate TIPS real return and inflation-adjusted principal. Compare to nominal Treasury bonds.

See how much expense ratios cost you over time. Compare high-fee funds to low-cost index funds.

Check if a stock repurchase triggers the wash sale rule. See adjusted cost basis.

Calculate your savings rate and see how it compares to the US average and FIRE benchmarks.

Calculate how long to build your emergency fund with current savings rate.

Compare your net worth to benchmarks by age from the Federal Reserve Survey of Consumer Finances.

Calculate your expected wealth and PAW/UAW status from The Millionaire Next Door formula.

Calculate how long to double your money at any interest rate using the Rule of 72.

Calculate what a future sum is worth today at a given discount rate.

Calculate the future value of an investment with periodic contributions and compound growth.

Calculate annual percentage yield from APR and compounding frequency.

Calculate simple interest with comparison to compound interest.

Calculate new share count and price per share after a stock split.

Calculate basic and diluted earnings per share from net income and shares.

Calculate price-to-earnings ratio and compare to market averages.

Calculate payout ratio and retention ratio. Assess dividend sustainability.

Calculate EV from market cap, debt, and cash. See EV/EBITDA and EV/Revenue.

Project index fund growth with low expense ratio vs managed fund comparison.

Calculate interest earned in a high-yield savings account vs traditional checking.

Calculate T-bill purchase price, interest earned, and equivalent APY from discount rate.

Calculate money market account returns vs savings account.

Calculate net present value from initial investment, cash flows, and discount rate.

Calculate internal rate of return from initial investment and yearly cash flows.

Calculate weighted average cost of capital from equity, debt, and tax rate.

Calculate expected return using the Capital Asset Pricing Model from beta and market return.

Calculate risk-adjusted return from portfolio return, risk-free rate, and standard deviation.

See how investment fees erode returns over decades. Compare high-fee vs low-fee funds.

Get target stock/bond/cash allocation based on age and risk tolerance.

Calculate buy/sell amounts to rebalance portfolio to target allocation.

Calculate rental property negative gearing tax benefit from income and expenses.