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Finance & Irish taxes

Refinancing cost break-even Calculator

Find when a recurring payment saving repays switching costs. This free refinancing cost break-even calculator shows the calculation and its assumptions so you can compare your own figures.

How the refinancing cost break-even calculation works

Net upfront cost divided by monthly saving, rounded up to a full month.

Use equal comparison periods. A longer debt term can reduce monthly payments while increasing lifetime cost.

Using this calculator

  1. Enter your own figures in the labelled inputs. Keep the currencies, units and time periods consistent.
  2. Choose any applicable rate profile, pattern or assumption shown for this tool. Open additional inputs when relevant.
  3. Review break even months and term saving, then read the stated assumptions and eligibility conditions before using the result.

Worked example

This is a static example using illustrative inputs, not facts about you or today’s date. The displayed eligibility selections and assumptions apply only to this example.

See example inputs
Current monthly cost (€)
800
New monthly cost (€)
740
Total switching costs (€)
1800
Unconditional cashback (€)
500
Comparison period (months)
240
Break Even Months
22
Term Saving
€13,100.00
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