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SU Loan Calculator

Calculate the total cost of a Danish SU student loan including interest and repayment.

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๐Ÿ‡ฉ๐Ÿ‡ฐ All calculations are based on Danish rules, rates, and currency (DKK). This calculator is translated for convenience but applies exclusively to Denmark.

SU Loan Calculator

In addition to the SU grant, Danish students can take out an SU loan (SU-lรฅn) to supplement their income during their studies. For 2025, the maximum monthly SU loan is approximately 3,234 kr. The loan has a favorable interest rate compared to commercial loans, making it an attractive option for students who need additional financial support. The average SU debt for students completing a medium-length higher education is around 68,000 kr.

Interest and Repayment

During your studies, the SU loan accrues interest at a rate set by the Danish government (typically around 4% in 2025). After graduation, you have a grace period of one year before repayment begins. The loan must be repaid over a maximum of 15 years. Monthly repayment installments depend on the total amount borrowed and the interest rate. Interest on the SU loan is tax-deductible, which effectively reduces the real cost of the loan.

Should You Take an SU Loan?

An SU loan can be a good option if you need extra money during your studies and want to avoid high-interest consumer debt. It is the cheapest way to borrow money as a student. However, it is important to consider the total cost including interest over the repayment period. Many financial advisors suggest that students should only borrow what they truly need. Use this calculator to see the total amount you will borrow, the interest cost, and the estimated monthly repayment after graduation.

Frequently Asked Questions

What is a normal SU debt?

Among people who completed a medium-length higher education in 2020 or 2021, the average SU debt was 68,000 kr at the end of 2021, while those who completed a long higher education program had SU debt of 57,000 kr.

Is the SU loan the cheapest loan?

It is the cheapest way to borrow money as a student, since the interest rate is very low compared to other loan types. You can wait to repay the loan until after graduation โ€” when you may have found a full-time job and are in a better financial position.

Can you deduct SU loan interest from taxes?

When you start repaying an SU loan, you automatically receive a tax deduction for the interest on the loan. You can see this on your annual tax statement. If you want the interest deduction applied throughout the first year, log into TastSelv and enter the amount in field 489 of your preliminary tax assessment.

Can you buy a house if you have SU debt?

If you have an SU loan and need to borrow more money for a home, the SU loan matters if you are borrowing from a bank. However, mortgage lenders (Realkredit) generally do not consider SU debt. If you need a bank loan, they will look at your existing debt.

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