Mortgage Acceleration Calculator
See how extra monthly payments shorten a 25-year mortgage and save interest.
Compare Your Options And Get Clear Answers
See how extra monthly payments shorten a 25-year mortgage and save interest.
Mortgage Acceleration Estimator
Enter your numbers below for an instant estimate.
How It Works
Key concepts behind this calculator
Enter Values
Fill in each field with your own numbers.
Calculate
Results update as you change the inputs.
Review
Read the breakdown and the explanation.
Adjust
Change values to compare scenarios.
Mortgage Quick Guide
Typical values for reference.
| Mortgage balance (£) | Interest rate (%) | Extra monthly payment (£) | Months to clear the mortgage |
|---|---|---|---|
| 200000 | 5 | 200 | 226 months |
| 200000 | 5 | 100 | 257 months |
| 200000 | 5 | 500 | 166 months |
| 200000 | 6 | 300 | 199 months |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Mortgage Acceleration Calculator FAQ
Answers to common questions about this calculator.
It uses the formula shown with your inputs. Real conditions vary, so treat it as a guide.
Check overpayment allowances first.
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.
Yes. Replace each input with your own figures and the result updates instantly.