Amazon Seller Taxes: 2026 1099-K and Deduction Guide
In short: Amazon sellers must report gross payment volume from Form 1099-K on Schedule C, deduct allowable business expenses like FBA fees and cost of goods sold, pay self-employment tax, and submit quarterly estimated taxes throughout tax year 2026.
Understanding Your Amazon Form 1099-K
Amazon issues Form 1099-K to professional and individual sellers who cross the federal reporting threshold of twenty thousand dollars and two hundred transactions, though several states enforce lower local thresholds. This document reports your gross unadjusted payment volume, which includes collected sales tax, platform fees, and customer refunds. Because this figure is unadjusted, you cannot simply report this gross number on your tax return without accounting for deductions. You must retrieve your official 1099-K directly through taxcentral.amazon.com and meticulously reconcile that gross figure down to your actual net business earnings before reporting it to the IRS.
Deducting FBA Fees and Inventory Costs
To lower your tax liability as an e-commerce merchant, you must actively track and deduct your legitimate business expenses. You can deduct the cost of goods sold for the inventory you purchase to resell, along with inbound shipping costs and product preparation supplies. Furthermore, you can write off all Amazon FBA storage fees, referral commissions, advertising expenditures, and software or subscription tools used to manage your store. Keeping an organized log of these expenses ensures you only pay income and self-employment tax on your true net profit rather than your gross platform revenue.
Filing Schedule C, Schedule SE, and 1040-ES
Amazon sellers operate as sole proprietors or single-member LLCs unless they have elected corporate status. You will report your reconciled business income and itemized deductions on Schedule C of your Form 1040. The net profit from Schedule C then flows into Schedule SE to calculate your self-employment tax, which covers Social Security and Medicare at a rate of 15.3 percent up to the Social Security wage cap of one hundred eighty-four thousand five hundred dollars for tax year 2026. Because federal income and self-employment taxes are not withheld from your Amazon payouts, you must make quarterly estimated tax payments using Form 1040-ES.
2026 Quarterly Estimated Tax Deadlines
The United States tax system operates on a pay-as-you-go basis, requiring self-employed Amazon merchants to submit quarterly estimated tax payments to avoid underpayment penalties. For tax year 2026, the four required installment due dates are April 15, 2026, June 15, 2026, September 15, 2026, and January 15, 2027. Calculating these payments accurately requires estimating your net profit after accounting for inventory costs and platform fees. Utilizing tools like the 1099 tax calculator can help you estimate these quarterly obligations based on your actual year-to-date sales and documented expenses.
Related
- /forms/1099-k
- /forms/schedule-c
- /forms/schedule-se
- /forms/1040-es
- /tools/1099-tax-calculator
- /guides/schedule-c-expense-categories
What the Proofly receipt scanner does — and doesn’t
Does
- Reads merchant, date, line items, tax and payment method from a photo, with a confidence meter so you can correct it before saving
- Keeps personal and per-company receipts separate
- Maps business expenses to Schedule C lines (meals already at 50%)
- Exports an audit pack: every receipt image plus a ledger, as PDF, and CSV for QuickBooks or Xero
- Has a manual mileage log priced at the IRS rate for each trip’s date
Doesn’t
- File your taxes or give tax advice
- Sync live with QuickBooks or Xero (it’s CSV export)
- Pull transactions from your bank automatically
- Track your drives by GPS
- Guarantee how an audit turns out
Frequently asked questions
What threshold triggers an Amazon Form 1099-K?
For federal purposes, Amazon issues a 1099-K if you exceed twenty thousand dollars in gross payments and two hundred transactions, but many states require a form at much lower thresholds.
Why is my 1099-K gross total higher than my actual earnings?
The 1099-K reports unadjusted gross volume, meaning it includes refunded amounts, collected sales tax, and deducted Amazon fees that you must reconcile down to net revenue.
What specific Amazon expenses can I deduct?
You can deduct the cost of goods sold, inbound shipping, prep supplies, FBA fulfillment and storage fees, referral commissions, advertising, and store management software.
When are the quarterly tax payments due for 2026?
Quarterly estimated tax payments for 2026 are due on April 15, 2026, June 15, 2026, September 15, 2026, and January 15, 2027.
Sources
This guide summarizes IRS guidance as of October 28, 2026 for planning purposes. It isn’t tax advice — confirm your situation with IRS.gov or a qualified tax professional.