What is Depreciation?
Depreciation is a billing and payment term commonly used in freelance, contractor, and B2B contexts. It defines when payment is expected after an invoice is issued. Understanding depreciation helps freelancers and small business owners set clear payment expectations with clients and maintain healthy cash flow.
**Depreciation** is an accounting method that allocates the cost of a tangible asset over its useful life rather than expensing the full cost in the year of purchase. When a business buys equipment, a vehicle, machinery, or other long-term assets, depreciation spreads that expense across multiple years to more accurately match the cost of the asset with the revenue it helps generate. This practice is a core principle of accrual accounting and is required for accurately representing business profitability over time. For tax purposes, the IRS allows businesses and self-employed individuals to deduct the depreciation of business assets as an expense each year. This means that instead of -- or in addition to -- deducting the full purchase price in the year of purchase (through Section 179 expensing or bonus depreciation), you can take smaller deductions spread across the asset's useful life. The result is a steady annual tax reduction rather than a single large deduction. For freelancers and small business owners, depreciation applies to computers, cameras, vehicles, office furniture, and any other equipment used in business operations. Understanding depreciation -- and the IRS rules that govern it -- allows you to maximize tax deductions, accurately report business profitability, and make better decisions about when to replace aging assets.
Depreciation is calculated based on the asset's cost, its estimated salvage value (what it will be worth at the end of its useful life), and its useful life as defined by IRS guidelines. The IRS publishes asset class lives and recovery periods in Publication 946, which specify how many years different types of assets must be depreciated over. The most common depreciation method for tax purposes is the Modified Accelerated Cost Recovery System (MACRS), which allows larger deductions in the early years of an asset's life and smaller deductions in later years. Five-year MACRS property includes computers and office equipment; seven-year property includes office furniture; and vehicles follow specific rules with annual limitations. Section 179 expensing and bonus depreciation are special provisions that allow businesses to deduct a larger portion -- or in some cases the full cost -- of qualifying assets in the year of purchase rather than spreading deductions over years. For 2025, Section 179 allows deductions of up to $1,160,000 for qualifying purchases. Bonus depreciation allows an additional first-year deduction on top of regular MACRS depreciation. Freelancers with significant equipment purchases should evaluate whether immediate expensing or spread depreciation produces better tax outcomes given their income level.
Depreciation is highly relevant for freelancers and small business owners who invest in equipment, technology, and vehicles for their work. A freelance videographer who purchases a $5,000 camera, a $2,000 laptop, and a $1,500 lighting kit has $8,500 in depreciable assets. How and when these assets are depreciated affects both tax liability and reported profitability. For most freelancers, the simplest approach is to elect Section 179 expensing and deduct the full cost of qualifying equipment in the year of purchase. This is most beneficial in years when income is high and the deduction produces maximum tax savings. In lower-income years, spreading the deduction through standard MACRS may preserve deductions for future years when you are in a higher tax bracket. Vehicles used for business are a special case. The IRS limits the annual depreciation deduction for passenger automobiles, even when used exclusively for business. Freelancers who use a personal vehicle for business work should track business mileage and compare whether the standard mileage rate deduction or actual expense method (which includes depreciation) produces a larger deduction.
Depreciation and amortization are both methods of allocating asset costs over time, but they apply to different types of assets. Depreciation applies to tangible physical assets -- computers, vehicles, equipment, and buildings. Amortization applies to intangible assets -- patents, trademarks, software licenses, and goodwill. Both depreciation and amortization reduce taxable income by spreading asset costs over multiple years. Both appear as non-cash expenses on the income statement, meaning they reduce reported profit without representing actual cash outflows in the periods they are recorded. This is why EBITDA (earnings before interest, taxes, depreciation, and amortization) is used as a proxy for cash-generating ability. For freelancers, the practical difference is mostly in what assets each term applies to. If you buy a laptop, you depreciate it. If you purchase a software license with a multi-year term, you amortize it. If you develop proprietary intellectual property, the costs may be amortized over 15 years under IRS rules. A CPA can help determine the correct treatment for specific assets.
To calculate depreciation for your business assets: 1. Identify all business assets purchased during the year including cost, purchase date, and business use percentage. 2. Determine the asset class and recovery period using IRS Publication 946 or consult your tax software. 3. Choose your depreciation method -- MACRS standard, Section 179 immediate expensing, or bonus depreciation. 4. Calculate the annual deduction using the applicable percentage from the MACRS tables or the full cost for Section 179 elections. 5. Track accumulated depreciation for each asset so you know the remaining book value and can calculate gain or loss when the asset is eventually sold. 6. Report depreciation on Form 4562 and carry the total to Schedule C if you are a sole proprietor or Schedule E if you have a partnership or S corporation.
Eonebill.ai helps freelancers track the revenue side of their business while keeping business expenses -- including depreciable asset purchases -- organized. When you use the [free invoice generator](/free-tools/invoice-generator) to invoice clients consistently, you maintain a clear record of business income that helps your CPA calculate the optimal depreciation strategy based on your actual tax position each year. Eonebill Pro and Business plans at [Eonebill pricing](/pricing) give you a complete picture of your billing activity and outstanding receivables, so you always know whether your income in a given year is high enough to benefit from accelerated depreciation deductions like Section 179 or whether spreading deductions over multiple years makes more sense.
1. Forgetting to track business use percentage: If an asset is used for both personal and business purposes, only the business use percentage is depreciable. Many freelancers claim 100 percent business use on assets that are actually used personally too. 2. Not recording depreciation on the books: Even if you elect Section 179 full expensing on your tax return, your accounting records should reflect the asset's depreciating value over time for accurate financial statements. 3. Missing the Section 179 election: Failing to make the Section 179 election in the year of purchase means you cannot go back and claim it retroactively. Make the election intentionally each year. 4. Ignoring the listed property rules: Computers, vehicles, and other listed property have additional use documentation requirements. Failure to maintain adequate records can result in disallowed deductions. 5. Failing to report depreciation recapture: When you sell a depreciated asset, the IRS taxes the previously deducted depreciation as ordinary income. Ignoring this can result in an unexpected tax bill.
[Write-off](/glossary/write-off) refers to the expensing of an asset or cost, which can include depreciation deductions. [Operating cost](/glossary/operating-cost) includes depreciation as a non-cash operating expense on the income statement. [Tax bracket](/glossary/tax-bracket) affects how valuable depreciation deductions are -- higher brackets mean each dollar of deduction saves more in taxes. [Cash basis accounting](/glossary/cash-basis-accounting) does not use depreciation in the same way as accrual accounting, since expenses are recorded when paid rather than allocated over time.