Is the after-tax amount accurate?

It is calculated based on the general tax rate of 15.4% (14% income tax + 1.4% local income tax). Tax-exempt or preferential rates differ, so verify the actual amount with your financial institution.

What happens if I withdraw early?

This tool assumes the deposit is held to maturity. Early withdrawal typically applies a lower penalty rate, so the result would differ.

Can I calculate flexible savings plans?

This calculator is designed for fixed monthly deposit plans. Flexible savings with varying monthly amounts cannot be accurately calculated here.

Savings Calculator

Calculate savings maturity amount from monthly deposits

Monthly Deposit

x10K KRW

Annual Rate

Deposit Period

months

Interest Method

Tax Method

Enter savings information

* May differ from actual financial product calculations

Overview

Calculate how much you will receive at maturity when depositing a fixed amount every month. Enter the monthly deposit, annual interest rate, and term to see the maturity amount and total interest. You can also compare simple vs compound interest. These results are approximate estimates for reference only and may differ from actual financial products due to rates, taxes, and fees.

Key Features

Monthly deposit, annual rate, and term input
Maturity amount and total interest calculation
Simple vs monthly compound interest comparison
Pre-tax and after-tax (15.4% interest income tax) display
Monthly cumulative amount chart

How to Use

Enter the monthly deposit amount.
Set the annual interest rate (%) and term (months).
The maturity amount, interest, and after-tax total appear automatically.

Tips

Korean interest income tax is 15.4% for general taxation. Tax-exempt or tax-preferred products have different conditions.
At the same rate, monthly compounding yields more interest than simple interest. The gap widens over longer terms.
These results are estimates and may differ from actual financial product payouts. Confirm exact amounts with your financial institution.

FAQ

Is the after-tax amount accurate?: It is calculated based on the general tax rate of 15.4% (14% income tax + 1.4% local income tax). Tax-exempt or preferential rates differ, so verify the actual amount with your financial institution.
What happens if I withdraw early?: This tool assumes the deposit is held to maturity. Early withdrawal typically applies a lower penalty rate, so the result would differ.
Can I calculate flexible savings plans?: This calculator is designed for fixed monthly deposit plans. Flexible savings with varying monthly amounts cannot be accurately calculated here.