Is there any information you can share on mortgage interest saving computation?May 9, 20200Comments by Yu Chai Tan Q & A › Category: Loan › Is there any information you can share on mortgage interest saving computation? 0 Vote Up Vote Down Yu Chai Tan asked 6 years ago 1 Answers 0 Vote Up Vote Down KCLau Staff answered 6 years ago What do you want to compute on mortgage interest saving? Nowadays, your extra payment to mortgage principal will immediately save the interest cost as it is calculated daily based on your balance, in the case of flexi homeloan.