Business
Asset depreciation Calculator
Compare straight-line and reducing-balance schedules. This free asset depreciation calculator shows the calculation and its assumptions so you can compare your own figures.
Calculated on your device
Your results
First Year Depreciation€1,800.00
Compare straight-line and reducing-balance schedules.
Final Book Value€1,000.00
Calculated outcomes
- Total Depreciation
- €9,000.00
Schedule · 5 rows
| Year | Opening Value | Depreciation | Closing Value |
|---|---|---|---|
| 1 | €10,000.00 | €1,800.00 | €8,200.00 |
| 2 | €8,200.00 | €1,800.00 | €6,400.00 |
| 3 | €6,400.00 | €1,800.00 | €4,600.00 |
| 4 | €4,600.00 | €1,800.00 | €2,800.00 |
| 5 | €2,800.00 | €1,800.00 | €1,000.00 |
Assumptions and estimates
- Accounting depreciation estimate only. Irish capital allowances and tax deductions follow separate rules.
- Method: Straight-line spreads depreciable cost evenly; reducing balance applies a fixed annual rate above the residual floor.
- Accounting depreciation does not automatically equal an Irish tax deduction.
Useful next steps
- Use Compare options to test an alternative side by side.
- 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 asset depreciation calculation works
Straight-line spreads depreciable cost evenly; reducing balance applies a fixed annual rate above the residual floor.
Accounting depreciation does not automatically equal an Irish tax deduction.
Using this calculator
- Enter your own figures in the labelled inputs. Keep the currencies, units and time periods consistent.
- Choose any applicable rate profile, pattern or assumption shown for this tool. Open additional inputs when relevant.
- Review first year depreciation and final book value, 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
- Asset cost (€)
- 10000
- Minimum residual value (€)
- 1000
- Years
- 5
- Method
- Straight line
- Reducing-balance annual rate (%)
- 20
- First Year Depreciation
- €1,800.00
- Final Book Value
- €1,000.00
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