Mortgage calculator

HKD
%
Monthly payment
HK$10,557
Year 025
  • Total interestHK$1,167,021
  • Total paidHK$3,167,021
Year-by-year breakdown
YearTotal interestBalance
1HK$79,135HK$1,952,454
2HK$77,197HK$1,902,970
3HK$75,181HK$1,851,471
4HK$73,083HK$1,797,874
5HK$70,900HK$1,742,092
6HK$68,627HK$1,684,039
7HK$66,262HK$1,623,620
8HK$63,800HK$1,560,739
9HK$61,238HK$1,495,297
10HK$58,572HK$1,427,188
11HK$55,797HK$1,356,304
12HK$52,909HK$1,282,533
13HK$49,904HK$1,205,756
14HK$46,776HK$1,125,851
15HK$43,520HK$1,042,691
16HK$40,132HK$956,142
17HK$36,606HK$866,068
18HK$32,936HK$772,323
19HK$29,117HK$674,760
20HK$25,142HK$573,221
21HK$21,005HK$467,546
22HK$16,700HK$357,565
23HK$12,219HK$243,103
24HK$7,556HK$123,978
25HK$2,703HK$0
How it is calculated

The calculator uses the standard annuity formula: the same payment every month, where the interest part shrinks and the principal part grows as the balance falls. Interest is charged monthly at one twelfth of the annual rate.

Total interest is everything you pay above the amount borrowed. Fees, insurance and property taxes are not included, so add them to the monthly payment when you plan your budget.

Questions

How much does a shorter term save?

A shorter term raises the monthly payment but cuts total interest sharply, because the balance falls faster. Try 30 and 20 years with the same rate to see the difference.

Does the calculator work for fixed and variable rates?

It assumes one rate for the whole term. For a fixed period followed by a variable rate, run the calculator again with the new rate and the remaining balance.

Now keep it on track Set the result as a budget in Spendee and see each month how much is left.