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Compound interest earns returns on both the initial principal and previously accumulated interest. This creates exponential growth. Simple interest, by contrast, only grows on the original principal.

Steg-för-steg-guide

  1. 1A = P(1 + r/n)^(nt) for periodic compounding
  2. 2A = Pe^(rt) for continuous compounding
  3. 3Rule of 72: years to double ≈ 72 ÷ annual rate %

Lösta exempel

Ingång
$1,000 at 5%, 10 yrs (annual)
Resultat
$1,628.89
Interest: $628.89
Ingång
$1,000 at 5%, 10 yrs (monthly)
Resultat
$1,647.01
$18 more from monthly compounding

Inställningar

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