Side Hustle Tax Calculator
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Calculator eBay Etsy Quarterly Dates By State
Side hustle tax planning

Know your side hustle tax bill before the quarterly deadline.

Enter your income and expenses below. The calculator shows your SE tax, federal and state estimate, and exactly how much to pay each quarter — all in real time, no sign-up required.

All 50 states
2026 IRS rates
No sign-up
Free forever
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No default platform fee

Model your side hustle tax bill before quarterly deadlines stack up.

Use the general calculator if none of the preset platforms fit cleanly.

Income setup

Deductions (optional)

Estimated tax on side hustle profit

$2,687.29

Profit after deductions: $13,323.00

Total deductions$2,677.00
Self-employment tax$1,882.48
Federal income tax$0.00
State estimate (CA)$804.81
Effective rate16.8%
Quarterly payment target$671.82

Next four due dates

Q1 due April 15, 2026

Income earned Jan 1 to Mar 31, 2026

$671.82

Q2 due June 15, 2026

Income earned Apr 1 to May 31, 2026

$671.82

Q3 due September 15, 2026

Income earned Jun 1 to Aug 31, 2026

$671.82

Q4 due January 15, 2027

Income earned Sep 1 to Dec 31, 2026

$671.82

Before you file

Set aside $671.82 each quarter so this estimate does not become a deadline surprise.

Tax filing handoff

TaxSlayer Self-Employed is the stronger next step once the estimate turns into a real filing number.

Use the calculator to set your target, then move into a filing flow built for Schedule C income, self-employment tax, quarterly payments, and common 1099 forms.

File with TaxSlayer Self-Employed Compare TurboTax Self-Employed Check H&R Block Self-Employed

This site may earn affiliate commissions from links on this page. We only recommend software we'd use ourselves.

How the calculator works

  1. 1

    Enter your gross income

    Type in your total side hustle revenue for the year. Don't subtract fees or expenses yet — the calculator handles that.

  2. 2

    Add deductions

    Open the deductions panel and enter COGS, platform fees, mileage, home office, and subscriptions. The IRS rate and simplified home-office method are already built in.

  3. 3

    Pick your state and filing status

    Select your state for a blended state income-tax estimate and choose your filing status to apply the correct federal brackets.

  4. 4

    Read your quarterly target

    The results card shows SE tax, federal income tax, total owed, effective rate, and how much to pay each quarter — with the next deadline highlighted.

Platform-specific calculators

eBay income tax calculator

Estimate seller tax from eBay profit with marketplace fee defaults, COGS, and quarterly payment planning.

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Etsy income tax calculator

Estimate Etsy self-employment tax with materials, shipping, and platform fees separated cleanly.

Open →

Quarterly due date guide

2026 payment calendar, safe-harbor rules, and penalty examples before you miss a deadline.

Open →

50-state tax reference

Compare blended state rates used in the calculator and spot no-income-tax states fast.

Open →

Need help filing after the estimate

TaxSlayer Self-Employed is the stronger next step once the estimate turns into a real filing plan.

Use the calculator here to set your target, then file Schedule C income with software built for self-employment tax, quarterly payments, and common 1099 forms.

File with TaxSlayer Self-Employed Compare TurboTax Self-Employed Check H&R Block Self-Employed

This site may earn affiliate commissions from links on this page. We only recommend software we'd use ourselves.