Depreciation Calculator

  • Enter the initial value, number of years, depreciation method, and frequency.
  • Click "Calculate Depreciation" to calculate and display the results.
  • Click "Clear Results" to reset the results.
  • Click "Copy Results" to copy the results table to the clipboard.
  • Click "Show Details" to view/hide detailed calculations and explanations.
Depreciation Schedule
YearBeginning ValueDepreciation ExpenseAccumulated DepreciationEnding Value
Calculation History
CalculationInitial ValueYearsDepreciation Method


Depreciation is a fundamental concept in accounting and finance that refers to the decrease in the value of an asset over time. Businesses and individuals alike need to track depreciation for various reasons, such as tax deductions, financial reporting, and asset management. A Depreciation Calculator is a valuable tool that automates the complex calculations involved in determining the depreciation of assets.

The Concept of Depreciation

Depreciation is the allocation of the cost of a tangible asset over its useful life. This reflects the idea that as an asset is used over time, it gradually loses value. There are various methods to calculate depreciation, each with its own set of formulas. The most common depreciation methods include Straight-Line Depreciation, Declining Balance Depreciation, and Sum-of-the-Years’-Digits Depreciation.

Depreciation Formulas

1. Straight-Line Depreciation

The Straight-Line Depreciation method is the simplest and most widely used method. It calculates depreciation at a constant rate over the useful life of an asset.


Depreciation Expense = (Cost of Asset - Salvage Value) / Useful Life

2. Declining Balance Depreciation

The Declining Balance Depreciation method is an accelerated depreciation method where a fixed percentage is applied to the remaining book value of the asset each year.


Depreciation Expense = Book Value at the Beginning of the Year × Depreciation Rate

3. Sum-of-the-Years’-Digits Depreciation

The Sum-of-the-Years’-Digits Depreciation method also accelerates depreciation but uses a more complex formula that considers the sum of the years’ digits.


Depreciation Expense = (Remaining Useful Life / Sum of the Years' Digits) × (Cost of Asset - Accumulated Depreciation)

Example Calculations

Let’s consider an example of a machine with a cost of $10,000, a salvage value of $1,000, and a useful life of 5 years for each of the depreciation methods:

Straight-Line Depreciation

Depreciation Expense = ($10,000 - $1,000) / 5 = $1,800 per year

Declining Balance Depreciation

Assuming a depreciation rate of 20%:

Year 1:

Depreciation Expense = $10,000 × 20% = $2,000 Book Value at the end of Year 1 = $10,000 - $2,000 = $8,000

Year 2:

Depreciation Expense = $8,000 × 20% = $1,600 Book Value at the end of Year 2 = $8,000 - $1,600 = $6,400

And so on for subsequent years.

Sum-of-the-Years’-Digits Depreciation

Sum of the Years’ Digits = 5 + 4 + 3 + 2 + 1 = 15

Year 1:

Depreciation Expense = (5 / 15) × ($10,000 - $0) = $3,333.33

Year 2:

Depreciation Expense = (4 / 15) × ($10,000 - $3,333.33) = $2,666.67

And so on for subsequent years.

Real-World Use Cases

Depreciation Calculators find application in various industries and scenarios:

Business Accounting

Businesses use depreciation calculations for financial reporting and tax purposes. Accurate depreciation tracking ensures compliance with accounting standards and helps in optimizing tax deductions.

Investment Analysis

Investors and analysts consider depreciation when evaluating the financial health of a company. It affects key financial ratios, such as Return on Assets (ROA) and Earnings Before Interest and Taxes (EBIT).

Asset Management

Depreciation tools aid in managing the lifecycle of assets. Companies can make informed decisions about repairing, replacing, or selling assets based on their depreciation status.

Tax Planning

Depreciation affects taxable income. By accurately calculating depreciation, individuals and businesses can minimize their tax liability legally.


Budgeting and financial planning rely on depreciation forecasts. Accurate predictions help organizations allocate resources effectively.


Depreciation is a crucial concept in finance and accounting. Depreciation calculators simplify the intricate calculations involved in determining the decreasing value of assets. Straight-Line, Declining Balance, and Sum-of-the-Years’-Digits are among the common methods used to calculate depreciation.

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Hi! I'm Nidhi.

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