About Our Retirement & Investment Calculators
Retirement planning and investing are long-term games where small decisions compound into massive differences over decades. Our retirement and investment calculators are designed to make the power of compound growth tangible — showing you exactly how today's savings decisions translate into tomorrow's financial security.
These tools use the same time-value-of-money formulas that financial planners use: future value with compound interest, CAGR for investment returns, and annuity formulas for systematic investment plans (SIPs). The 401(k) calculator includes employer match logic, and the retirement savings calculator adjusts for salary growth and inflation to give you a realistic projection.
Understanding compound interest is the single most important concept in personal finance — it is why starting early matters more than starting big. Read our compound interest guide to see the math that makes retirement planning work, then use these calculators to build your own plan.