Quick Quarterly Tax Estimator – Single-Page Calc for Self-Employed

KNOW EXACTLY WHAT YOU OWE THIS QUARTER

The Quick Quarterly Tax Estimator is a single-page Excel + Google Sheets calc that takes your YTD self-employment income and shows you what to send to the IRS this quarter — in under 60 seconds.

WHAT YOU GET

• Type your YTD income + expenses
• Adjust federal, state, and SE tax rates
• See total tax owed + per-quarter estimate
• 2026 federal due dates included

INSTANT DOWNLOAD

• Single .xlsx file — opens in Excel + free Google Sheets
• Lifetime access, no subscriptions
• For personal or business use

Estimates for planning only. Not tax advice.