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Deposit and Savings Calculator
Calculate the maturity value of a deposit or savings account with simple or compound interest, including the after-tax amount.
Favorite it to find it fast on home
When to use it
10,000,000 KRW at 3.5% for 12 months, simple → 10,350,000 KRW before tax
100,000 KRW a month at 3.5% for 12 months → 12,000,000 KRW in, about 227,000 KRW interest
Switching to compound interest grows the same amount more
How to use it
1Step 1Fill in Principal
2Step 2Change a value and the result updates instantly
3Step 3Save or copy the result
If the result looks off
The result looks wrong
Check the units and the baseline first. Changing a value updates the result instantly.
I want the starting values back
Press reset to return to the initial state.
Frequently asked questions
What is the after-tax amount?
15.4% of the interest is withheld for standard rates. The maturity amount after tax is shown alongside, so use that figure.