Essential Financial Calculators
Quickly calculate key metrics to support your investment decisions. These tools are free for all users.
Market Cap Calculator
Market Cap = Share Price × Total Shares Outstanding
Find on company's latest 10-K/10-Q filing or financial sites
Dividend Yield Calculator
Dividend Yield = (Annual Dividend / Price) × 100
Sum of last 4 quarterly dividends (TTM)
P/E Ratio Calculator
P/E Ratio = Share Price / Earnings Per Share
Use TTM (Trailing 12 Months) EPS from company filings
Rule of 72 Calculator
Years to Double = 72 / Annual Rate of Return (%)
S&P 500 historical average: ~10% annually
CAGR Calculator
CAGR = [(End Value / Start Value)^(1/Years)] - 1
Retirement Savings Calculator
FV = PV(1+r)^n + PMT × [(1+r)^n - 1] / r
Total 401(k), IRA, brokerage accounts
How much you'll save each month
S&P 500 historical: ~10%, Conservative: 6-7%
Loan Payment Calculator
Monthly Payment = P × [r(1+r)^n] / [(1+r)^n - 1]
Mortgage, car loan, or personal loan principal
2024 avg mortgage: ~7%, auto: ~6-8%
Mortgage: 15 or 30 years, Auto: 3-7 years
Inflation Impact Calculator
Future Value = Present Value × (1 + inflation rate)^years
Current dollar amount or purchasing power
U.S. average: ~3%, Federal Reserve target: 2%
Investment Growth Calculator
Compound Interest: A = P(1+r/n)^(nt) + PMT × [(1+r/n)^(nt) - 1] / (r/n)
One-time lump sum investment
Additional monthly investments
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