QBI Deduction Calculator
Estimated QBI Deduction:
$0.00
Understanding the Qualified Business Income (QBI) Deduction
The Qualified Business Income (QBI) deduction, also known as the Section 199A deduction, is a significant tax benefit for owners of pass-through businesses. Enacted as part of the Tax Cuts and Jobs Act of 2017, it allows eligible taxpayers to deduct up to 20% of their qualified business income.
Who is Eligible?
The QBI deduction is available to individuals, trusts, and estates that own pass-through entities. This includes:
- Sole proprietorships
- Partnerships
- S corporations
- Limited Liability Companies (LLCs) taxed as sole proprietorships, partnerships, or S corporations
It is important to note that the deduction is taken at the individual level, not by the business entity itself. It's an "above-the-line" deduction, meaning it reduces your taxable income before calculating your adjusted gross income (AGI).
What is Qualified Business Income (QBI)?
QBI generally refers to the net amount of qualified items of income, gain, deduction, and loss from any qualified trade or business. This includes income from services performed by the business, but excludes certain items like capital gains/losses, dividends, interest income not properly allocable to a trade or business, and reasonable compensation paid to an S-corporation shareholder or guaranteed payments to a partner.
Key Limitations and Rules
While the deduction can be up to 20% of your QBI, it's subject to several critical limitations:
1. Overall Taxable Income Limitation
The QBI deduction cannot exceed 20% of your taxable income before the QBI deduction, reduced by any net capital gain. This is a fundamental cap on the deduction.
2. W-2 Wage and Unadjusted Basis Immediately After Acquisition (UBIA) of Qualified Property Limitation
For taxpayers with taxable income above certain thresholds (which are indexed for inflation annually), the deduction is further limited. For 2023, these thresholds are:
- Single, Head of Household, Married Filing Separately, Qualifying Widow(er): $182,100 (lower) to $232,100 (upper)
- Married Filing Jointly: $364,200 (lower) to $464,200 (upper)
If your taxable income is above the lower threshold, the deduction is limited to the lesser of:
- 20% of QBI, OR
- The greater of:
- 50% of the W-2 wages paid by the qualified business, OR
- 25% of the W-2 wages paid by the qualified business plus 2.5% of the unadjusted basis immediately after acquisition (UBIA) of qualified property.
This limitation is fully phased in once your taxable income reaches the upper threshold.
3. Specified Service Trade or Business (SSTB) Rules
A Specified Service Trade or Business (SSTB) is a business involving the performance of services in fields such as health, law, accounting, actuarial science, performing arts, consulting, athletics, financial services, brokerage services, or any trade or business where the principal asset is the reputation or skill of one or more of its employees or owners.
- Below Lower Threshold: If your taxable income is below the lower threshold, SSTBs are treated the same as any other qualified trade or business, and the deduction is not limited by the SSTB rules.
- Within Phase-out Range: If your taxable income is within the phase-out range (between the lower and upper thresholds), the QBI, W-2 wages, and UBIA from an SSTB are gradually reduced, effectively phasing out the deduction.
- Above Upper Threshold: If your taxable income is above the upper threshold, no QBI deduction is allowed for income from an SSTB.
How the Calculator Works
Our QBI Deduction Calculator helps you estimate your potential deduction by taking into account these complex rules:
- Taxable Income Before QBI Deduction: Your total taxable income before applying the QBI deduction.
- Qualified Business Income (QBI): The net income from your eligible pass-through business.
- W-2 Wages Paid by Business: The total W-2 wages paid by your qualified business.
- UBIA of Qualified Property: The unadjusted basis of qualified depreciable property used in your business.
- Specified Service Trade or Business (SSTB): Indicates if your business falls under the SSTB definition.
- Filing Status: Determines the applicable taxable income thresholds.
The calculator applies the relevant limitations based on your inputs and provides an estimated QBI deduction.
Example Scenarios:
Let's consider a few examples using 2023 thresholds:
Example 1: Below Threshold, Non-SSTB (MFJ)
- Taxable Income: $150,000
- QBI: $100,000
- W-2 Wages: $20,000
- UBIA Property: $0
- SSTB: No
- Filing Status: Married Filing Jointly
- Result: $20,000 (Lesser of 20% of QBI ($20,000) or 20% of Taxable Income ($30,000). W-2/UBIA limits don't apply below the lower threshold.)
Example 2: Above Upper Threshold, Non-SSTB (MFJ)
- Taxable Income: $500,000
- QBI: $300,000
- W-2 Wages: $100,000
- UBIA Property: $0
- SSTB: No
- Filing Status: Married Filing Jointly
- Result: $50,000 (20% of QBI is $60,000. W-2/UBIA limit is 50% of W-2 wages ($50,000). The deduction is the lesser of these, $50,000, also less than 20% of TI ($100,000).)
Example 3: Above Upper Threshold, SSTB (MFJ)
- Taxable Income: $500,000
- QBI: $300,000
- W-2 Wages: $100,000
- UBIA Property: $0
- SSTB: Yes
- Filing Status: Married Filing Jointly
- Result: $0 (No QBI deduction for SSTBs when taxable income is above the upper threshold.)
Example 4: Within Phase-out Range, Non-SSTB (MFJ)
- Taxable Income: $400,000
- QBI: $200,000
- W-2 Wages: $50,000
- UBIA Property: $0
- SSTB: No
- Filing Status: Married Filing Jointly
- Result: Approximately $34,630 (The deduction is phased out based on the difference between 20% QBI and the W-2/UBIA limit as taxable income enters the phase-out range.)
Disclaimer: This calculator provides an estimate for informational purposes only and should not be considered tax advice. Tax laws are complex and subject to change. Always consult with a qualified tax professional to determine your specific eligibility and deduction amount.