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For US tax purposes the IRS treats crypto as property. Selling, swapping or spending it is reported on Form 8949, and staking or mining income goes on Schedule 1.
The 2027 dates below are derived from the IRS rule (day 15, or the next business day if that falls on a weekend or legal holiday) on the linked IRS pages. The IRS has not yet published its 2027 calendar, so check again once it does.
| Date | What's due | Source |
|---|---|---|
| 4th-quarter 2026 estimated tax payment | IRS rule, checked 2026-10-21 | |
| File your 2026 Form 1040 and pay any tax owed | IRS rule, checked 2026-10-21 | |
| Last day to request an extension (Form 4868) | IRS rule, checked 2026-10-21 | |
| 1st-quarter 2027 estimated tax payment | IRS rule, checked 2026-10-21 | |
| 2nd-quarter 2027 estimated tax payment | IRS rule, checked 2026-10-21 | |
| 3rd-quarter 2027 estimated tax payment | IRS rule, checked 2026-10-21 | |
| Extended filing deadline (6 months) | IRS rule, checked 2026-10-21 |
From 2025, brokers report crypto sale proceeds on Form 1099-DA; basis reporting starts for certain transactions from Jan 1, 2026.
Deadlines can move (weekends, holidays, disaster relief). Always confirm on the official IRS page before you file. Educational, not financial advice.
Use our crypto tax estimator for a rough US federal tax figure on a sale.
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