1099 Tax Calculator for Self-Employed Income
Use this side hustle tax calculator to estimate self-employment tax, deductions, income-tax reserves, and quarterly set-asides for 1099 income. Use it for freelance, gig, creator, delivery, consulting, or other side-hustle income without changing the transparent assumptions. Your entries stay in this browser and are not saved.
Enter your numbers
Use annual values unless a field says otherwise.
Your estimate
Recalculates as you type.
Planning estimate only. Tax brackets, credits, caps, filing status, local rules, and other facts can materially change your result.
How to use this side hustle tax calculator
This side hustle tax calculator subtracts entered mileage and other business expenses from 1099 income, estimates self-employment tax on 92.35% of net profit, then adds your federal and state planning rates. The result is an educational reserve estimate, not a prepared tax return.
Which side hustles can use this estimate?
Use the same model for freelance, creator, consulting, delivery, marketplace, and other independent income when the displayed assumptions fit your planning. Enter combined annual 1099 income and only the business expenses you can support with records.
What is not included
Credits, deductions outside the fields above, Social Security wage-base interactions, local tax, alternative minimum tax, platform adjustments, and individualized filing rules.
Important informational disclaimer
This calculator provides a simplified educational estimate and is not tax, legal, accounting, or financial advice. Verify consequential decisions with a qualified professional and current official or platform guidance before acting.
IRS gig work tax guidance