Taiwan Mortgage Calculator 2026

During the grace period you pay interest only and the principal stays untouched. For NT$10M over 40 years with a 5-year grace period at Qing-An 3.0 step rates, the monthly payment during the grace period runs from NT$14,792 to NT$16,875 as the rate steps up. The first payment after the grace period is NT$33,901, and the highest payment over the whole loan is NT$34,539. A grace period only postpones repaying principal, so it does not lower total interest.

Example: NT$10M over 30 years at 2.318% a year (the rate the Ministry of the Interior used for its 2026 Q1 affordability statistics), no grace period. Equal-payment repayment costs a fixed NT$38,572 each month and NT$3,886,049 in total interest. Equal-principal starts at NT$47,094 in month 1 and falls to NT$27,831 in the last month, with NT$3,486,658 in total interest. Equal-principal costs more at first and less in total; equal-payment keeps the monthly amount constant.

Example: NT$10M over 30 years at 2.318%, prepaying NT$2M at the end of year 5. Shorten the term: the payment stays NT$38,572, the loan is paid off after 22 yr 11 mo, total interest NT$2,599,886. Lower the payment: the term is unchanged, the payment drops to NT$29,782, total interest NT$3,249,012. Without prepayment, total interest is NT$3,886,049. For the same amount, shortening the term saves more interest, while lowering the payment eases monthly cash flow.

The Qing-An loan (Taiwan’s state-subsidised Youth Home-Starter Loan) is currently a single floating rate: the benchmark, Chunghwa Post two-year time-deposit floating rate (deposits under NT$5 million), is 1.72% plus a spread of 0.555%, for an unsubsidised rate of 2.275%. The government subsidy starts at 0.5 percentage points, so the borrower pays 1.775% for the first 3 years. The subsidy then shrinks each year and the rate runs 1.775% → 1.9% → 2.025% → 2.15% → 2.275%, returning to 2.275% from year 7. The floating rate moves with the benchmark; this site does not forecast it.

This site divides the annual rate by 12 and does not round internally, while banks round each installment, and the drawdown date, floating-rate changes and fees also move the figure. As an example, Taiwan Cooperative Bank states total fees of NT$5,300 and up on a NT$2M Qing-An loan over 20 years; this calculator does not include such fees. The bank’s approval notice sets the actual payment.