How to use it
- Enter Starting amount.
- Enter Annual rate %.
- Enter Years.
- Enter Compounds / year.
- Enter Monthly contribution.
The formula
Interest compounds on the growing balance.
Worked example
$5,000 at 4% with $100/month grows steadily over years.
Frequently asked questions
Simple or compound?
Savings usually compound.
Does frequency matter?
Daily compounding beats annual slightly.
Tips
- Automate deposits so saving happens by default.
- Keep an easy-access emergency buffer separate from goals.
- Chase a competitive rate — the gap compounds.
Key terms
- APY
- Yearly rate including compounding.
- Liquidity
- How easily you can access funds.
- CD
- A fixed-term deposit.