Full Amortization Schedule

What This Calculator Shows You

This one is not a summary. It is the whole thing, payment by payment, from your closing date to the day the mortgage is gone:

• Every single payment, split into how much goes to interest and how much actually reduces what you owe.
• Your running balance, so you can see where you stand at any point, including the end of your term.
• Real dates, not just payment numbers, because you enter your closing date.
• The effect of extra payments, so you can watch what an extra fifty or hundred dollars does to the whole schedule.

It is print ready, and I would encourage you to actually print it or save it. Most people have never seen their own mortgage laid out like this, and it changes how they think about it.

The Thing That Shocks Everybody

Scroll down your schedule to the first year and look at the split between interest and principal. Then look at the last year.

In the early years, the large majority of every payment is interest. You are making full payments and the balance is barely moving. Then, slowly, the split shifts. Somewhere in the middle of a typical amortization the two cross over, and after that most of your payment starts going to principal instead. By the final years, almost all of it is knocking down the balance.

That is not a trick and it is not anybody being sneaky. Interest is charged on what you currently owe, so when the balance is at its biggest, the interest portion is at its biggest too. It is just math. But almost nobody has seen it on paper, and seeing it explains something important.

It is why extra payments made early are worth so much more than the same money later. A dollar you put against principal in year two removes that dollar from every future interest calculation for the next two decades. The same dollar in year twenty two has almost nothing left to work on. If you are ever going to attack the mortgage, early is where the leverage is.

Term and Amortization Are Not the Same Thing

This confusion causes more mistakes than any other in this business, so here it is plainly.

Your amortization is how long it takes to pay the mortgage off completely. Twenty five years, thirty years.

Your term is how long your current contract lasts. Usually one to five years. At the end of the term, the mortgage does not end. Your contract ends, and you renew whatever is left for another term at whatever rates exist that day.

So a five year term on a twenty five year amortization means you will renew roughly four more times before the mortgage is gone. Every one of those renewals is a decision, and a chance to shop.

The practical bit: use the schedule above to find your balance at the end of your term. That number is what you actually renew or refinance. It is worth knowing before your renewal letter arrives rather than after.

What People Actually Use This For

Planning a renewal. Knowing your remaining balance and remaining amortization before you start shopping puts you in a much stronger position.

Deciding on extra payments. Add an extra payment amount and watch the payoff date move. Seeing the years disappear is a lot more motivating than being told it works.

Planning a sale. If you are thinking about selling in a few years, the schedule tells you roughly what you will still owe, which tells you what you would walk away with.

Checking your own statements. Compare the schedule to what your lender is showing you. They should line up closely. If something looks meaningfully off, that is worth a phone call.

Separation and estate matters. When a balance at a specific date matters legally, a payment by payment schedule is a useful document to have. Get the official figure from your lender for anything formal, but this gives you the picture.

Frequently Asked Questions

Q: Why is so much of my early payment going to interest?
Because interest is calculated on the balance you currently owe, and at the start that balance is at its highest. As the balance comes down, the interest portion of each payment shrinks and the principal portion grows. It is not a penalty or a trick, it is how interest works. It is also the reason extra payments early are far more powerful than the same amount later.

Q: What is the difference between my term and my amortization?
Amortization is how long until the mortgage is fully paid off, commonly twenty five or thirty years. Term is how long your current contract runs, usually one to five years. When the term ends you renew the remaining balance at current rates. One mortgage typically goes through several terms before it is paid off.

Q: How do I find out what I will owe at the end of my term?
Run the schedule and look at the balance on the date your term ends. That figure is what you will be renewing or refinancing. Knowing it before your renewal letter arrives means you can shop properly instead of reacting.

Q: Does making extra payments change my payment amount?
Usually not. Extra payments normally shorten your amortization rather than lower your regular payment, which is what saves the interest. Check your mortgage contract for how much you are allowed to prepay each year without a penalty, because those privileges vary between lenders.

Q: Will my actual schedule match this exactly?
It should be very close. Small differences can come from your lender's exact compounding and rounding, your specific payment dates, and any adjustments at closing. Use this to understand the shape of your mortgage and to plan, and use your lender's statement for official figures.

Q: Should I choose a longer amortization for a lower payment?
It depends on what you need. A longer amortization lowers the payment and can help you qualify, but you pay considerably more interest over the life of the mortgage. A shorter one costs more monthly and saves a lot in the long run. Run both in the schedule and look at the total interest, then decide with your actual budget in front of you.

So What Do You Actually Do?

Run your real numbers, then do two things. Find the crossover point where principal starts beating interest, so you understand the shape of what you are in. Then find your balance on your renewal date and write it down.

Then run it again with an extra fifty or a hundred dollars a payment and see what happens to the finish line. That second run is the one that tends to change behaviour.

Want help reading your schedule or planning your renewal?
Call or text 403-703-6847. To go through it properly, have these handy: your mortgage statement or renewal letter, your current balance and rate, and your renewal date.

Shawn Selanders is a RECA-licensed mortgage broker with Mortgage Architects, serving High River, Okotoks, Calgary, Foothills County and Southern Alberta since 1999.