Daily Compounding Deposit Calculator
Visualize how small daily interest increments accumulate. Features a granular 30-day breakdown table to motivate saving habits.
About
Albert Einstein reportedly called compound interest the "eighth wonder of the world." However, seeing a number jump once a year is rarely motivating. The Daily Compounding Deposit Calculator is designed to show the microscopic magic that happens every 24 hours.
This tool breaks down your investment growth day-by-day. It is specifically useful for high-frequency traders, crypto-stakers, or savings account holders who want to see exactly how much richer they get while they sleep. It uses high-precision math to ensure those fractions of a penny are accounted for.
Formulas
The formula iterates for every single day (d) of the term:
Unlike standard annual formulas, this tool runs a loop to capture the precise daily capitalization event.
Reference Data
| Day | Start Balance | Daily Interest | End Balance |
|---|---|---|---|
| Day 1 | $10,000.000 | $1.370 | $10,001.370 |
| Day 2 | $10,001.370 | $1.370 | $10,002.740 |
| Day 3 | $10,002.740 | $1.370 | $10,004.111 |
| ... | ... | ... | ... |
| Day 30 | $10,039.805 | $1.375 | $10,041.180 |