Finance
Compound Calculator
Lump sum / savings compound interest
Final amount
₩11,909,428
Total invested₩10,000,000
Interest earned₩1,909,428
Return rate19.1%
About this tool
Compound Calculator estimates returns for lump-sum investments or monthly savings using compound interest. Choose from monthly, quarterly, semi-annual, or annual compounding. Useful for comparing deposit rates and planning long-term investments.
How to use
- Choose lump sum or monthly savings mode.
- Enter the principal (or monthly amount), interest rate, period, and compounding frequency.
- The final amount, total invested, and interest earned are displayed instantly.
FAQ
What is the difference between simple and compound interest?
Simple interest accrues only on the principal. Compound interest accrues on both principal and accumulated interest, growing faster over time.
Is more frequent compounding better?
Yes. Monthly compounding yields slightly more than annual compounding at the same rate, though the difference is small.
Is tax on interest included?
Currently calculated before tax. In Korea, interest income tax (15.4%) would reduce the actual amount received.
Results are for reference only. Please verify with official sources