How to Calculate Daily Compound Interest
What is Daily Compound Interest?
Daily compounding accumulates interest every single day, providing the most frequent compounding in typical banking. It results in slightly higher returns than monthly or quarterly.
Formula
A = P(1 + r/365)^(365t) where r is annual rate and t is years
Step-by-Step Guide
- 1Enter principal P, annual rate r, and time period t in years
- 2Apply the daily compound formula
- 3Result shows final amount after all compounding periods
Worked Examples
Input
P = $10,000, r = 4%, t = 5 years
Result
A ≈ $12,214
Daily compounding over 5 years
Common Mistakes to Avoid
- ✕Using 360 days instead of 365
- ✕Confusing monthly and daily rates
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