Multi-Mode Compound Interest Calculator

Formulas:
  • Compound Interest: FV = P × (1 + r/n)nt + PMT × [((1 + r/n)nt – 1) / (r/n)] – W × [((1 + r/n)nt – 1) / (r/n)]
  • Simple Interest: FV = P + (P × r × t) + (PMT – W) × t
  • Forex Compound: Similar to compound interest; assumes currency fluctuations simulated by a multiplier (default 1.1)
Where:
P = Principal, r = annual rate decimal, n = compounding periods/year, t = years, PMT = recurring deposit per period, W = recurring withdrawal per period
FAQs:
  • Principal: Your starting amount.
  • Recurring Deposit/Withdraw: Amount added/withdrawn each deposit/withdraw period.
  • Interest Rate Type: Period to which interest rate applies.
  • Forex Compound: Simulates compound interest with currency multiplier effect.