Free Tool
Depreciation calculator.
The whole schedule, not just this year.
Enter what the asset cost and how long it is written off over, and get the year-by-year MACRS schedule — with Section 179 and bonus depreciation applied in the order the code requires. The percentages come straight from IRS Publication 946 Table A-1.
No account, no email required. Every figure and limit is sourced on the page.
The asset
Office furniture and fixtures, most machinery and equipment. Publication 946 Appendix B lists the class life for every kind of property.
The default. Uses the IRS Table A-1 percentages — 200% declining balance for 3 to 10-year property, 150% for 15 and 20-year, switching to straight line when that gives more. Front-loads the deduction.
First-year write-offs
Optional. Section 179 comes off first, bonus depreciation applies to what is left, and only the remainder is spread over the recovery period.
2026 limit: $2,560,000.00, reduced dollar for dollar above $4,090,000.00 of property placed in service. SUVs are capped separately at $32,000.00. Section 179 cannot create a loss — it is limited to your business income.
Bonus depreciation not claimed or elected out of.
Limits from IRS Rev. Proc. 2025-32, §3.24, checked August 13, 2026. Verify on irs.gov.
First-year deduction
$0.00
Enter a cost to see the schedule
An estimate, not tax advice. This assumes the half-year convention — if more than 40% of your year's property is placed in service in the last quarter, the mid-quarter convention applies instead and these figures will differ. Listed property and vehicles carry extra limits.
You calculate this once. You claim it for 7 years.
Next spring you need the same schedule again, for this asset and every other one, with the right year's figure and what is left of the basis. That is a register you keep, not a number you work out.
See Liquid ExpenseHow it works
Describe the asset
Cost, the year it went into service, and its recovery period — 5 years for computers and light vehicles, 7 for most machinery and office furniture.
Add any first-year write-offs
Section 179 comes off first and is capped and phased out by the year’s limits. Bonus depreciation then applies to what is left.
Read the schedule
Deduction, running total and remaining basis for every year, so you know what you claim now and what is still to come.
Questions
Still stuck? Ask us directly.
What is MACRS?
The Modified Accelerated Cost Recovery System is the depreciation method required for most business property placed in service since 1987. It assigns property a recovery period and front-loads the deduction using declining balance, switching to straight line once that gives a bigger figure. This calculator uses the published IRS Table A-1 percentages for the half-year convention.
What is the difference between Section 179 and bonus depreciation?
Section 179 is an election to expense the cost outright, capped each year and phased out for businesses buying a lot of property; it cannot create a loss, being limited to your business income. Bonus depreciation is an automatic percentage of the remaining basis, has no dollar cap, and can create a loss. Section 179 is applied first, bonus to what is left, and MACRS to the remainder.
What is bonus depreciation right now?
100% for qualified property acquired and placed in service after January 19, 2025. Property acquired after September 27, 2017 and before January 20, 2025 is limited to 40%, and you can elect 40% instead of 100% if spreading the deduction suits you better.
What are the Section 179 limits?
For tax years beginning in 2026 the maximum deduction is $2,560,000, reduced dollar for dollar once you place more than $4,090,000 of qualifying property in service. SUVs have their own $32,000 cap. For 2025 the figures are $2,500,000, $4,000,000 and $31,300. These are indexed for inflation each year.
Why does the schedule run one year longer than the recovery period?
The half-year convention treats property as placed in service in the middle of the year, so the first year gets half a year of depreciation and the balance spills into an extra final year. A 5-year asset therefore appears on six years of returns.
When do these numbers not apply?
If more than 40% of your year’s property is placed in service in the last quarter, the mid-quarter convention replaces the half-year convention and the percentages change. Real property, listed property, vehicles subject to luxury-auto limits, and assets used less than wholly for business all carry extra rules. Treat this as an estimate and check anything unusual with your preparer.