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Compound Interest Calculator

Calculate investment growth with compound interest

Compound Interest Calculator

Calculate investment growth with compound interest

Optional: Regular contributions made at the same frequency

Final Amount
$21,121
After 10 years at 7.5% annually
Total Invested
$10,000
Total Interest
$11,121
ROI
111.2%
Investment Breakdown
47%
53%
PrincipalInterest

Year by Year Growth

Year 1
$10,776
+$776
Year 2
$11,613
+$837
Year 3
$12,514
+$902
Year 4
$13,486
+$972
Year 5
$14,533
+$1,047
Year 6
$15,661
+$1,128
Year 7
$16,877
+$1,216
Year 8
$18,187
+$1,310
Year 9
$19,599
+$1,412
Year 10
$21,121
+$1,522

ℹī¸ Compound Interest Formula

A = P(1 + r/n)^(nt) + PMT × [((1 + r/n)^(nt) - 1) / (r/n)]

  • A = Final amount
  • P = Principal (initial investment)
  • r = Annual interest rate (decimal)
  • n = Compound frequency per year
  • t = Time in years
  • PMT = Regular contribution amount

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