1099 Quarterly Estimated Tax Calculator — Excel & Google Sheets

Bottom Line

This 1099 quarterly estimated tax calculator handles SE tax, QBI deduction, all 50 state rates, and safe harbor check.

Tool Overview

  • Format: Excel and Google Sheets
  • Best For: Small business owners and bookkeepers
  • Price: $4.99
83% OFF $29.99$4.99 One-time purchase — no subscription
1099 quarterly estimated tax calculator spreadsheet preview

This 1099 quarterly estimated tax calculator tells you exactly how much to pay the IRS each quarter, so a tax bill never surprises you in April. You enter your income and expenses, and it calculates self-employment tax, the QBI deduction, and your state tax, checks safe harbor so you avoid underpayment penalties, and lays out each payment with its IRS due date.

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Stripe — $4.99

Instant download. Secure payment. Fix-or-replace guarantee.

What's Inside

Who It's For

Freelancers, 1099 contractors, gig workers, and the bookkeepers who handle their taxes.

✓ All formulas unlocked and visible. Zero macros. Compatible with Excel 2016+, Google Sheets, and LibreOffice Calc.

How are quarterly estimated taxes calculated?

Do I have to pay estimated taxes on 1099 income?

How do I pay quarterly taxes if I'm self-employed?

🛡️ If It Doesn’t Work, We Fix It or Replace It
If your tool doesn't work as described, we'll fix it or replace it free.

Frequently Asked Questions

Does this work on Mac?

Yes! All our tools are .xlsx files that open in Excel for Mac, Google Sheets, LibreOffice, and Numbers. No Windows-only features or macros are used.

Can I use Google Sheets?

Absolutely. Every tool is 100% compatible with Google Sheets — just upload the .xlsx file to your Google Drive and open it. All formulas work in Google Sheets.

Do I need Excel?

No. While Excel gives the best experience, our tools work in Excel, Google Sheets (free), LibreOffice Calc (free), and Apple Numbers. Pick what you have.

What versions of Excel are supported?

Excel 2016 and newer. Office 365 / Microsoft 365 fully supported. Excel Online (web version) also works.

Is this a one-time purchase?

Yes! Pay once, download immediately, and it's yours forever. No subscriptions, no recurring charges, no hidden fees.

Can I use this on my phone?

The tools open on mobile Excel/Sheets apps, but they're designed for desktop use. For the best experience, use a computer or tablet.

Can I customize the tools?

Yes! All cells are unlocked and editable. Add your company logo, change formulas, rename tabs — make it yours. (Just don't resell or redistribute.)

Can I share this with my team?

Each purchase includes a personal use license. For team use (3+ people), contact us about team licensing discounts.

What's your refund policy?

Fix-or-replace guarantee. If the tool doesn't work as described or the file is corrupted, email adelerocks80@gmail.com for a replacement or fix — we'll make it right.

Will my formulas be locked?

No. All formulas are visible and editable. We believe in transparent tools — you can see exactly how every calculation works.

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