How it works
How Amortisation Schedule calculator solves the problem
This Amortisation Schedule calculator turns a quick question into a straight answer: punch in the numbers, read the amortisation schedule calculator, move on with the day.
Think of Amortisation Schedule calculator as the back-of-the-envelope version of the calculation, only the envelope is a web page and the arithmetic is audited by our test suite.
Run the net number, not the headline rate: that is where surprises hide. Put the real cash figures in, even if they are rough — then run the sums and the rest of this page explains what the answer means.
Generate a full month-by-month amortisation schedule for any mortgage or loan, with principal, interest and running balance.
On this page you will see Price table, SAC and Amortisation treated as first-class terms — each one is linked to the calculators and references that use it, so you can follow the thread without retyping queries into a search bar.
If it helps, jump straight to the Finance hub or compare with the Mortgage Repayment Calculator and the Mortgage Overpayment calculator — those two calcs are the ones readers usually open right after this page.
One scenario, fully unpacked
Put the method down against a real situation and the sequence becomes obvious:
Generate a full month-by-month amortisation schedule for any mortgage or loan, with principal, interest and running balance.
When to use this calculadora
Amortisation Schedule calculator is aimed at people arriving with questions like these:
- "Amortisation schedule"
- "Mortgage repayment table"
- "Tabela price x sac"
- "What is amortisation schedule calculator"
- "How to calculate amortisation schedule calculator"
- "Amortisation schedule calculator formula"
When to reach for something else
Every tool has an edge where it stops being the right answer. Amortisation Schedule calculator is no exception:
- For legally binding tax or medical decisions — cross-check with HMRC, NHS or a qualified professional.
- For very large or very small extremes the rounding error outgrows the useful precision.
- When the underlying rate or threshold has changed since the page was last reviewed — always verify with the primary source.
- When the input you have is already a derived figure (net of something) — feeding it in as "gross" will double-subtract.
Traps to steer around
Every time you run the sums for a new scenario, one of these creeps in — it's worth knowing them ahead of time.
- Ignoring the unit multiplier (k, M, %, basis points) on the input and feeding the raw number in anyway.
- Assuming the default settings match your context — check the calc's assumptions box before trusting the figure.
- Re-entering the result of a previous step as an input without keeping the full-precision number in front of you.
- Reading a negative answer as an error when the maths is telling you the inputs are in the wrong order.
- Cross-comparing to a tool that uses a different formula family (e.g. Mifflin vs Harris-Benedict) without saying so.
The sources behind the numbers
Where the maths needs an external authority, we cross-check against:
- FCA
- MoneyHelper
- Banco Central do Brasil
Works well alongside
If this question keeps coming up for you, the same cluster of tools usually comes next:
- Mortgage Repayment Calculator — Estimate your monthly UK mortgage repayment from loan amount, interest rate and term — with total interest paid over the life of the mortgage.
- Mortgage Overpayment calculator — See how much a regular or one-off overpayment saves in interest and how many years it shaves off your UK mortgage term.
- SAC Financing calculator — Brazilian SAC (constant amortisation) schedule — decreasing instalments, constant principal repayment, full month-by-month table.
- Price Financing calculator — Brazilian Price-table schedule — constant instalments, full amortisation and interest breakdown per month.
How we keep this accurate
Our calculadoras run on pure, unit-tested functions — the same logic lives in the browser and in the CI test suite. When tax rates, thresholds or official figures move, the update lands within 24 hours of the announcement. You can read the editorial policy and corrections policy.
Found an out-of-date number on Amortisation Schedule calculator or anywhere else in the Finance toolkit? Send it to the editorial desk and we'll patch it. Or browse the full calculadora directory for the next tool you need.

