Taxable income is the portion of your gross income that is subject to federal income tax after subtracting adjustments, deductions, and exempt income. It is the amount the IRS uses to calculate how much tax you owe.
🧮 How Taxable Income Is Calculated
Taxable Income = Gross Income − Adjustments − Deductions
1️⃣ Start With Gross Income
Gross income includes most income you receive, such as:
- 💼 Wages, salaries, and tips
- 💰 Interest and dividends
- 🧑💼 Business or self‑employment income
- 🏘️ Rental income
- ♻️ Retirement distributions
- 📈 Capital gains
2️⃣ Subtract Adjustments (Above‑the‑Line Deductions)
Adjustments reduce your income to arrive at Adjusted Gross Income (AGI).
Common Adjustments Include:
- 🎓 Student loan interest
- 🍎 Educator expenses
- 🏦 Traditional IRA contributions
- 🧾 Deductible part of self‑employment tax
✅ Adjustments are available whether or not you itemize.
3️⃣ Subtract Deductions
From AGI, subtract one of the following:
📉 Standard Deduction
A fixed amount based on filing status.
- 👤 $15,750 — Single (2025)
- 👥 $31,500 — Married Filing Jointly (2025)
🧾 Itemized Deductions
Specific qualified expenses, such as:
- 🏡 State and local taxes (SALT, subject to limits)
- 🏠 Mortgage interest
- 🏥 Medical expenses (above AGI threshold)
- ❤️ Charitable contributions
✅ Result: Taxable Income
🚫 What’s Not Taxable?
Some income is excluded from taxable income entirely, including:
- 🚫 Tax‑exempt interest (e.g., municipal bonds)
- 🚫 Qualified Roth IRA distributions
- 🚫 Some Social Security benefits (depending on income)
- 🎁 Gifts and inheritances
- 🛡️ Life insurance proceeds (paid to beneficiaries)
📌 Example — Taxable Income Calculation
🧾 Facts
- Gross Income: $85,000
- Adjustments: $5,000
- (Traditional IRA contribution and student loan interest)
- Standard Deduction (Single, 2025): $15,750
🧮 Calculation
$85,000 − $5,000 − $15,750 = $64,250
✅ Taxable Income = $64,250
This is the amount used to determine the taxpayer’s federal income tax liability using the IRS tax brackets.