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Emergency reserve adequacy Calculator

Size accessible reserves against essential monthly spending. This free emergency reserve adequacy calculator shows the calculation and its assumptions so you can compare your own figures.

Calculated on your device

Your results

Target Reserve€13,200.00

Size accessible reserves against essential monthly spending.

Months To Build21

Calculated outcomes

Current Months Covered
2.27
Reserve Gap
€8,200.00

Assumptions and estimates

  • Target months are a personal planning assumption. Include essential housing, food, utilities, transport, insurance and minimum debt costs. No investment return assumed for accessible cash reserves.
  • Method: Multiply monthly essentials by target cover; divide the shortfall by planned monthly saving.
  • Target months are a personal assumption. Accessible cash has no assumed investment return.

Useful next steps

  1. Use Compare options to test an alternative side by side.
  2. Copy, print or download a record of this calculation when you need one.

Reports open your email app addressed to s@s1.ie with the public page address only. Your inputs are never added.

How the emergency reserve adequacy calculation works

Multiply monthly essentials by target cover; divide the shortfall by planned monthly saving.

Target months are a personal assumption. Accessible cash has no assumed investment return.

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 target reserve and months to build, 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
Essential monthly costs (€)
2200
Target months of cover
6
Current accessible reserve (€)
5000
Monthly reserve contribution (€)
400
Target Reserve
€13,200.00
Months To Build
21

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