Depreciation Calculator Australia (Estimate)
Estimate depreciation by prime cost and diminishing value methods. Check ATO rules and instant asset write-off with your accountant.
🔒 Free, no sign-up. Runs in your browser – your details stay on this device.
How to use it
Enter the asset cost, effective life in years and residual value. See a year-by-year schedule for both methods.
FAQ
Prime cost or diminishing value?
Prime cost spreads the cost evenly. Diminishing value claims more in early years (ATO rate = 200% ÷ effective life). Small businesses may be able to use simplified depreciation – ask your tax adviser.
Disclaimer: Estimates and templates only – not tax, legal or financial advice. Rules change; check the official sources below or ask a qualified adviser before relying on results.
Official sources
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