Tax Deduction Tracker Spreadsheet 2026, Small Business & Self Employed 1099 Write Off Log | Schedule C Quarterly Estimated Tax Template

No accounting experience needed. 318 formulas track every deduction for you.

🎁 FREE BONUS INCLUDED — Mileage + Deduction-by-Category Log (a $19 value): logs your mileage and every deduction by category so nothing is missed. Yours free with this template.

✅ WORKS WITH MICROSOFT EXCEL & GOOGLE SHEETS

Stop leaving money on the table. The average small business owner misses thousands in deductions every year — simply because they didn't have a system to track them.

This spreadsheet IS that system.

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📋 WHAT'S INCLUDED — 6 POWERFUL TABS
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📊 DASHBOARD — Your deduction command center
See your total deductions, estimated tax savings, and a full breakdown by category — all updating live as you enter expenses.

💰 EXPENSE LOG — Every write-off in one place
Log business expenses with date, vendor, description, and category. The dropdown menu matches your expense to one of 20 IRS deduction categories automatically.

🚗 MILEAGE LOG — IRS-ready vehicle tracking
Log every business trip with start/end location and odometer readings. Miles and your total mileage deduction calculate automatically using the current IRS standard rate.

🏠 HOME OFFICE CALCULATOR — Both methods, auto-compared
Enter your home square footage and expenses — the spreadsheet calculates both the Simplified Method ($5/sq ft) and the Regular Method (actual expenses × business %) and recommends whichever is larger.

📅 QUARTERLY TAX ESTIMATOR — Never get hit with a penalty
Estimate your self-employment tax (15.3%) and federal income tax by quarter. Track actual payments, dates, and confirmation numbers.

📋 20 IRS DEDUCTION CATEGORIES — Pre-labeled with examples
Every major deduction category is pre-loaded with examples and IRS Schedule C references. The dropdown in your Expense Log pulls directly from this tab.

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⭐ FREE CUSTOMIZATION INCLUDED
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Want your business name added? Colors tweaked? A custom category? Message me after purchase — I'll customize it for you at no extra charge. Most sellers don't offer this.

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🎯 PERFECT FOR
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✓ Sole proprietors and self-employed freelancers
✓ 1099 contractors tracking write-offs
✓ Side hustlers preparing for tax season
✓ Small business owners who hate spreadsheets
✓ Anyone who has ever paid too much in taxes

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📥 INSTANT DOWNLOAD
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After purchase, download your file immediately from Etsy. Open in Microsoft Excel or upload to Google Sheets — works with both.

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📌 IMPORTANT NOTES
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• This is a digital download — no physical product will be shipped
• Compatible with Excel 2016, 2019, 2021, Microsoft 365
• Compatible with Google Sheets (free, any browser)
• For personal/single-business use only
• This tool is for organizational purposes. Consult a CPA for tax advice specific to your situation.

📗 HOW TO OPEN IN GOOGLE SHEETS (free & easy):
This is one file that works in BOTH Excel and Google Sheets — there's no separate file to find, you just import the download once:
1. Go to sheets.google.com and open a blank spreadsheet
2. Click File ▸ Import ▸ Upload
3. Drag in the .xlsx file you downloaded from this order
4. Choose "Replace spreadsheet" and click Import data
All tabs load as a full Google Sheet saved in your Drive — edit it on any device. (Prefer Excel? Just double-click the file to open.)

Questions? Message me anytime. I respond within 24 hours.

— ReadySheetGo

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VIDEO TUTORIAL INCLUDED
This template comes with a step-by-step video walkthrough to help you get set up in minutes. Your tutorial link is included with the instant download.