1%p lower2.5%
Estimated maturity value
₩10,211,500Money calculator
Korea Term Deposit Interest Calculator
Enter the deposit, annual rate, term and tax rate to estimate gross interest, tax and maturity value.
STEP 1
Enter your values
RESULT
₩10,296,100Estimated maturity value
Estimated maturity value after the entered interest tax rate.
Gross interest₩350,000
Estimated interest tax−₩53,900
After-tax interest₩296,100
Deposit principal₩10,000,000
Actual day count, payment frequency, rounding, bonus rates and product-specific tax treatment may differ.
WHAT IF
What changes when Annual interest rate changes?
Compare the main result without re-entering every field.
Current input3.5%
Estimated maturity value
₩10,296,1001%p higher4.5%
Estimated maturity value
₩10,380,700Input guide
What each value means
Deposit amount
Use the amount or value shown on the relevant contract, statement or record.
Annual interest rate
Use the amount or value shown on the relevant contract, statement or record.
Deposit term
Use the amount or value shown on the relevant contract, statement or record.
Interest method
Choose the option that matches the conditions you want to calculate.
Interest tax rate
15.4% is the common taxable example; change it for the product’s tax treatment.
How it works
Korea Term Deposit Interest Calculator formula
Simple interest = deposit × annual rate × months ÷ 12
Monthly compounding assumes interest is added each month. The entered tax rate is deducted from gross interest.
Example
Example calculation
For KRW 10m at 3.5% simple interest for 12 months, compare gross and after-tax interest.
- Standard
- 15.4% common taxable default; monthly simplified calculation
- Last reviewed
- August 25, 2026
Standards and sources
Calculated from official or reliable reference material.
Questions
Korea Term Deposit Interest Calculator FAQ
What should I enter in the Korea Term Deposit Interest Calculator?
Enter the requested values and the result will update immediately. Review the formula, assumptions and exclusions below the result.
Is the result an official amount?
No. It is an estimate based on the entered conditions and stated assumptions. Confirm important tax, insurance, employment or financial decisions with the relevant institution or a qualified professional.
Are Korean rules used?
Yes. This calculator applies commonly applicable South Korean rules reviewed for 2026.
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Useful next steps