Finance Calculators

Depreciation Calculator

Use this depreciation calculator to compare a finance scenario for depreciation with visible assumptions and source notes.

Primary answer: Current year depreciation
Inputs to verify: Asset cost, Salvage value, and Useful life
Use type: Use as a review-only estimate; verify before relying on it.
Keyword intent: depreciation calculator

Result

Result reflects the current submitted inputs.

Risk C
Reviewed 2026-05-26
3 sources

Current year depreciation4,000 USD

Accumulated depreciation4,000 USD

Ending book value21,000 USD

Depreciable base20,000 USD

Depreciation rate20%

Breakdown

Method: Straight line
Depreciation year: 1
Salvage floor: 5,000 USD

Full-year depreciation periods only.
Only straight-line and double-declining-balance methods are supported.
Double-declining-balance uses a salvage floor and final-year adjustment.
Tax rules, MACRS, bonus depreciation, Section 179, partial-year conventions, asset class lives, impairment, and disposal accounting are excluded.
This is an educational estimate, not tax, legal, or accounting advice.

Accuracy notes

Risk level: C
Reviewed: 2026-05-26
Sources: 3
Primary result: Current year depreciation

Formula logic is kept in a pure calculator module with fixtures, source notes, and page-visible assumptions.

High-risk estimate

Educational estimate, not advice

This finance calculator is for educational estimates only. It is not financial advice, a lender quote, investment advice, tax advice, legal advice, or a substitute for reviewing actual contracts, disclosures, rates, fees, and local rules.

Check the reviewed sources, assumptions, and formula limits before using this result for a financial, health, or safety decision.

Review cadence: 12 months; next review due 2027-05-26.

What the result means

Current year depreciation answers the page's main depreciation question. Depreciation expense for the selected year. Read the main estimate first, then compare it with the assumptions and secondary outputs before using it in a decision. Use accumulated depreciation, ending book value, and depreciable base to explain why current year depreciation moved when an input changed. Compare the result with the source document or quote that will actually govern the decision.

Current year depreciationDepreciation expense for the selected year.

Accumulated depreciationTotal depreciation through the selected year.

Ending book valueAsset cost minus accumulated depreciation.

Depreciable baseAsset cost minus salvage value.

Use the result this way

Start with Current year depreciation, then use supporting outputs only to explain the primary answer.
Verify asset cost, salvage value, and useful life before copying the result.
Choose the mode or method first because it can change which formula is applied, keep units consistent with the labels shown in the form, and stay within the documented minimum and maximum ranges.
Compare the result with the source document or quote that will actually govern the decision.

User job

How to use this calculator

Use Depreciation Calculator when you need current year depreciation, then use accumulated depreciation and ending book value to check the context for planning conversations, quote comparisons, payment checks, and scenario review.

Best for

Comparing one financial scenario with another
Preparing questions for a lender, advisor, or statement review
Reviewing a default example before entering your own asset cost and salvage value.

Check before relying

Verify rates, fees, timing, taxes, and local rules against official documents before acting.
Full-year depreciation periods only.
Only straight-line and double-declining-balance methods are supported.
Source context: OpenStax, reviewed 2026-05-26.

Next useful step

Bond CalculatorUse next when you need price from yield from face value and coupon rate after checking current year depreciation.
Rent vs Buy CalculatorUse next when you need buying cost minus renting cost from current monthly rent and annual rent increase after checking current year depreciation.
Auto Lease CalculatorUse next when you need estimated monthly payment from MSRP and negotiated price after checking current year depreciation.

Limits of this estimate

Supports educational depreciation methods only; it excludes MACRS, Section 179, bonus depreciation, partial-year conventions, impairment, disposal accounting, and tax or accounting advice.
The result depends on user-entered inputs and the documented assumptions; defaults are examples only.
Search indexing approval does not downgrade this page from risk level C or turn the result into professional advice.

Formula

Straight-line depreciation uses (asset cost - salvage value) / useful life. Double-declining depreciation uses 2 / useful life times beginning book value, capped at salvage value with a final-year adjustment. Key assumptions: Full-year depreciation periods only. Only straight-line and double-declining-balance methods are supported. Double-declining-balance uses a salvage floor and final-year adjustment.

Straight-line depreciation uses (asset cost - salvage value) / useful life. Double-declining depreciation uses 2 / useful life times beginning book value, capped at salvage value with a final-year adjustment.
Full-year depreciation periods only.
Only straight-line and double-declining-balance methods are supported.
Primary source context: OpenStax.

Inputs

Enter asset cost, salvage value, useful life, and method for planning conversations, scenario checks, and lender or statement comparison. Before calculating, choose the mode or method first because it can change which formula is applied, keep units consistent with the labels shown in the form, and stay within the documented minimum and maximum ranges. Asset cost: Original capitalized cost before depreciation. Salvage value: Estimated residual value at the end of useful life. Useful life: Whole number of full-year depreciation periods. Method: Educational book-depreciation method; this is not MACRS or tax depreciation.

Asset costOriginal capitalized cost before depreciation.

Salvage valueEstimated residual value at the end of useful life.

Useful lifeWhole number of full-year depreciation periods.

MethodEducational book-depreciation method; this is not MACRS or tax depreciation.

Depreciation yearWhole year to report, counted from 1 through useful life.

Example

Using the default inputs, Depreciation Calculator returns current year depreciation of 4,000 USD. Adjust asset cost, salvage value, useful life, and method to match your own scenario.

FAQ

How is current year depreciation calculated here?

What does Current year depreciation mean for depreciation?

Read the main estimate first, then compare it with the assumptions and secondary outputs before using it in a decision. Secondary values such as accumulated depreciation, ending book value, and depreciable base are there to explain the primary answer, not to replace it.

What should I enter for Asset cost?

Original capitalized cost before depreciation. Use USD for this field. Choose the mode or method first because it can change which formula is applied, keep units consistent with the labels shown in the form, and stay within the documented minimum and maximum ranges.

How does Salvage value change current year depreciation?

Estimated residual value at the end of useful life. Changing it can alter current year depreciation because the formula uses the submitted inputs together. Also compare rates, dates, fees, taxes, local rules, compounding, and omitted real-world charges.

Why does the depreciation example show 4,000 USD for current year depreciation?

The default inputs produce 4,000 USD for current year depreciation. Treat that as a format and scale check, then replace every default value with your own inputs.

Can the depreciation result replace financial advice?

No. Use the depreciation result as comparison context only. Market returns, taxes, fees, legal terms, and personal constraints can change the real outcome.

Sources

Last reviewed: 2026-05-26

academicReviewed 2026-05-26 · Source Undated page, accessed 2026-05-26
Principles of Accounting, Volume 1: 11.3 Explain and Apply Depreciation Methods to Allocate Capitalized CostsOpenStax. Straight-line formula, double-declining rate concept, salvage-value floor, and method assumptions.
Scope
Open educational accounting reference for straight-line and double-declining-balance depreciation concepts.
Supports
Straight-line formula, double-declining rate concept, salvage-value floor, and method assumptions.
Limits
Supports educational depreciation methods only; it excludes MACRS, Section 179, bonus depreciation, partial-year conventions, impairment, disposal accounting, and tax or accounting advice.
academicReviewed 2026-05-26 · Source Undated page, accessed 2026-05-26
Principles of Managerial Accounting: 11.2 Evaluate the Payback and Accounting Rate of Return in Capital Investment DecisionsOpenStax. Educational accounting context and caution that accounting estimates are method-dependent.
Scope
Open educational managerial-accounting reference touching depreciation and capital investment analysis.
Supports
Educational accounting context and caution that accounting estimates are method-dependent.
Limits
Supports educational depreciation methods only; it excludes MACRS, Section 179, bonus depreciation, partial-year conventions, impairment, disposal accounting, and tax or accounting advice.
officialReviewed 2026-05-26 · Source Undated page, accessed 2026-05-26
Publication 946, How To Depreciate PropertyInternal Revenue Service. Tax depreciation exclusion, high-caution classification, and disclaimer that this packet does not implement MACRS or tax depreciation rules.
Scope
U.S. tax depreciation publication.
Supports
Tax depreciation exclusion, high-caution classification, and disclaimer that this packet does not implement MACRS or tax depreciation rules.
Limits
Supports educational depreciation methods only; it excludes MACRS, Section 179, bonus depreciation, partial-year conventions, impairment, disposal accounting, and tax or accounting advice.

Depreciation Calculator