Use Nook's free calculator to estimate your monthly amortization across BDO, BPI, Metrobank, RCBC, and more — then see if you could be paying thousands less every month with a better rate.
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Why this matters
A home loan Philippines calculator helps you estimate your monthly amortization based on your loan amount, interest rate, and remaining term. Whether you borrowed from BDO, BPI, Metrobank, Security Bank, or any other local bank, the math works the same way — but the rate your bank charges you makes an enormous difference to what you actually pay each month. Most Filipino homeowners are currently on rates between 7% and 10%, while the best refinance rates available today are as low as 5.99% p.a. That gap translates directly into real peso savings over the life of your loan. If you want to go beyond estimation and see exactly how much you could save by switching, try Nook's home loan refinance calculator to model your specific situation.
Understanding your amortization schedule is the first step to taking control of your home loan. In the early years of a Philippine home loan, the bulk of your monthly payment goes toward interest rather than reducing your principal — which means that even a 1% to 2% rate reduction can save you hundreds of thousands of pesos over a 15- to 20-year term. Banks in the Philippines typically reprice your loan every 1, 2, 3, or 5 years, and many borrowers simply accept whatever new rate their bank offers without shopping around. That passive approach is one of the most expensive financial mistakes a homeowner can make. Before your next repricing date arrives, it's worth understanding where Philippine home loan interest rates are heading so you can time your decision wisely.
Nook is the Philippines' first digital mortgage broker, and our service is completely free for borrowers. We work with all major Philippine banks — BDO, BPI, Metrobank, RCBC, Security Bank, UnionBank, Chinabank, EastWest Bank, PNB, PSBank, Robinsons Bank, and Pag-IBIG — to find you the lowest available rate for your refinance. There are no broker fees, no hidden charges, and no obligation. If you've used this calculator and you're curious whether refinancing makes sense for you, our team can walk you through the numbers, including any closing costs involved, so you can make a fully informed decision.
How it works
Enter your loan details into our calculator. Instantly see what banks are offering right now and how much you'd save each month. No personal information required.
If the numbers make sense, book a free call. Your consultant compares offers from 15+ banks — something that would take you weeks to do on your own — and recommends the best option for your situation.
We manage the entire application, documentation, and bank coordination. You sign where we tell you. Your new lower payment starts next month. Nook's service is completely free — we're paid by the receiving bank.
Common questions
A home loan calculator uses the standard amortization formula to compute your fixed monthly payment based on three inputs: your outstanding loan amount, your annual interest rate, and your remaining loan term in months. The formula spreads your total debt — principal plus interest — into equal monthly installments over the life of the loan. Changing any one of these variables, especially the interest rate, can dramatically shift your monthly payment and total cost.
You can use a home loan calculator for any Philippine bank, including BDO, BPI, Metrobank, Security Bank, RCBC, UnionBank, Chinabank, EastWest Bank, PNB, PSBank, Robinsons Bank, and Pag-IBIG (HDMF). The calculator simply requires you to input the rate that bank is charging you — which you can find on your loan statement or repricing notice. If you're unsure of your current rate, check your most recent bank correspondence or call your branch.
Use the rate currently applied to your outstanding loan balance, which is the rate shown on your latest monthly statement or repricing letter from your bank. Most Filipino homeowners are paying between 7% and 10% per annum as of 2025-2026. If you want to compare that against refinancing options, you can input 5.99% — the best rate currently available through Nook — to see the difference in your monthly payment.
Generally, refinancing delivers the greatest savings when you have at least 10 or more years remaining on your loan term, because the interest savings compound over a longer period. That said, even with fewer years remaining, a significant rate reduction can still produce meaningful savings — especially if your current rate is above 8%. It's best to compare the total interest you'd pay under each scenario rather than just looking at the monthly payment difference.
No — Nook's service is 100% free for borrowers. As a digital mortgage broker, Nook is compensated by the bank you ultimately refinance with, so there is no broker fee passed on to you. You should still factor in standard refinancing closing costs in the Philippines, such as notarial fees and registration charges, but Nook will walk you through all of these transparently before you commit to anything.
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