Tools · Trade Tax Desk
Tools & downloads
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This is education, not tax advice. I'm not a CPA or EA. State taxes are not covered.
- Last checked
- Tax year
- 2026
- Tools
- 3
- Changes
- Update log (1)
One fill-in worksheet and two record logs. The worksheet runs its own arithmetic; the logs keep the records the forms ask for. Every rate and percentage printed in them is named with its source — on this page, and inside the files themselves. The downloads are free and ask for nothing: no email, no account.
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1
2026 Estimated Tax Worksheet The 2026 Estimated Tax Worksheet from Form 1040-ES — the worksheet Publication 505 prints as Worksheet 2-1 — every line, 1 through 15, as printed, as a fill-in page that runs the worksheet's own arithmetic in the form's order.
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2
Mileage log — 2026 Records each trip's date, destination and business purpose, and business miles in their own column, apart from personal and other miles, and prices the business miles at the 2026 split rates by date.
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3
Per diem log — 2026 Records each away-from-home day — date, city or place, whether the night was spent away from home, the per diem rate used, and whether the DOT hours-of-service percentage applies — and figures the deductible amount.
Update log
Changes are dated and kept. Old figures are never silently overwritten.
2026-10-09:
Tools index published, with the 2026 mileage log and the 2026 per diem log as free downloads (XLSX and CSV). The mileage log prints the 2026 split rates — 72.5¢ for January 1 – June 30, 76¢ for July 1 – December 31 (IR-2025-128 / Notice 2026-10, as modified by Announcement 2026-11). The per diem log prints the $80 transportation rate (Notice 2025-54 / Notice 2026-60) and the Publication 463 percentages (80% DOT hours-of-service, 50% general).