How does compound interest differ from simple interest?

Compound interest earns interest on interest.

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  1. Simple interest always earns more
  2. Compound interest earns interest on interest ✔
  3. Compound interest never grows

Why: Compound interest is calculated on both the original amount and accumulated interest, so it grows faster.

Huh, didn't know that: Compound interest is calculated on both the original amount and accumulated interest, so it grows faster.

The dad joke
Compound interest: interest with interest.
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References

Answer: Compound interest earns interest on interest. Compound interest is calculated on both the original amount and accumulated interest, so it grows faster.

  1. Scouting America: Personal Management www.scouting.org/merit-badges/personal-management
    The concepts of simple interest and compound interest
    Checked 2026-11-07.

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