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Rate Hike Impact Calculator

See exactly how much your monthly payment and total interest rise when your variable rate goes up.

KRW
months
%
%

Monthly payment increase

142,633KRW

💡 A single percentage point can swing total interest by tens of millions of won.

Current monthly payment
1,233,141KRW
New monthly payment
1,375,774KRW
Total extra interest over remaining term
34,231,954KRW

How it works

If you're on a variable rate, every base-rate hike raises your monthly payment. This tool runs both your current and a hypothetical new rate through the equal-installment formula so you can see the exact difference.

FAQ

Q. Should I switch to a fixed rate?

A. Switching to fixed can help in a rising-rate environment, but weigh the conversion fee and the fixed rate's own spread too. Use this tool to gauge the burden under different hike scenarios first.

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