1099-K Side Hustle Tax Calculator (2026 OBBBA)

Total Platform Sales (gross)

Number of Transactions

Cost of Goods Sold / Expenses

Platform Fees (Etsy, eBay, etc.)

Shipping Costs

Other W-2 / Employment Income

Filing Status

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1099-K Expected?

Net Profit (Schedule C) —

Self-Employment Tax (15.3%) —

Additional Federal Income Tax —

Total Tax on Side Hustle —

Effective Tax Rate on Side Income —

Quarterly Estimated Payment —