Alex Carter

Alex Carter

Tax Research Specialist | Self-Employment Tax Expert

Alex Carter is a tax researcher and financial writer specializing in US self-employment tax law, IRS guidelines, and tax planning strategies for freelancers, independent contractors, and gig economy workers.

With over 7 years of experience researching US federal and state tax regulations, Alex has helped thousands of self-employed Americans understand their tax obligations from calculating quarterly estimated payments to maximizing deductions and comparing business structures like LLC vs S-Corp.

Alex founded SelfEmployTaxCalc.com with one goal in mind: to make self-employment tax calculations simple, accurate, and completely free for every independent worker in the United States.

Areas of Expertise

Self-Employment Tax (Schedule SE)
Quarterly Estimated Tax Payments (Form 1040-ES)
1099 Contractor Tax Obligations
Freelancer Tax Deductions and Write-offs
LLC vs S-Corp Tax Comparison
Gig Economy Taxation (Uber, DoorDash, Airbnb)
Federal and State Income Tax for Self-Employed
IRS Compliance for Small Business Owners

Research Methodology

Alex's content is built on a foundation of official IRS sources and verified tax data. Every article, guide, and calculator on SelfEmployTaxCalc.com follows a strict research process:

01Primary Source Research

All tax rates, formulas, and rules are sourced directly from official IRS publications including:

  • IRS Publication 334 Tax Guide for Small Business
  • IRS Publication 505 Tax Withholding and Estimated Tax
  • IRS Schedule SE Self-Employment Tax Instructions
  • IRS Form 1040-ES Estimated Tax for Individuals
  • IRS Publication 535 Business Expenses

02Annual Updates

Every calculator and article is reviewed and updated at the beginning of each tax year to reflect the latest IRS rate changes, Social Security wage base adjustments, and new tax regulations.

03Accuracy Verification

All calculator formulas are cross-referenced against:

  • IRS Schedule SE line-by-line instructions
  • IRS Tax Withholding Estimator results
  • Official IRS tax tables

04Plain English Translation

Complex IRS language is simplified into clear, easy-to-understand explanations that any self-employed worker can follow regardless of their tax knowledge.

Education & Background

  • Extensive study of US Federal Tax Code (Title 26, IRC)
  • Deep focus on IRS Self-Employment Tax regulations
  • Ongoing research into annual IRS rate updates and rule changes
  • Regular review of IRS Revenue Procedures and Notices
  • Continuous monitoring of Tax Court decisions affecting self-employed workers

Editorial Standards

Alex and the SelfEmployTaxCalc editorial team are committed to:

Accuracy

Every figure, rate, and formula is verified against official IRS sources before publication. If an error is found, it is corrected immediately.

Transparency

All IRS sources are cited directly within articles so readers can verify information independently. We clearly distinguish between facts and estimates.

Independence

Editorial content is never influenced by advertisers or affiliate partners. Calculator results are based purely on IRS formulas never on commercial relationships.

Timeliness

All content is reviewed annually and updated to reflect the current tax year. Publication dates and "Last Updated" dates are displayed on every article.

A Note on Tax Advice

Alex Carter and SelfEmployTaxCalc.com provide tax education and estimation tools only not personalized tax advice. While every effort is made to ensure accuracy, tax situations vary significantly from person to person.

For advice specific to your situation, Alex always recommends consulting a qualified CPA, enrolled agent, or tax attorney.

Contact Alex

Have a question about our calculators or found an error in our content? Alex personally reviews all feedback and correction requests. If you believe any information on the site is inaccurate, please reach out accuracy is our highest priority.

selfemploytaxcalc@gmail.com
All content authored by Alex Carter is researched using official IRS publications and is intended for informational purposes only. SelfEmployTaxCalc.com is an independent platform and is not affiliated with the IRS or any government agency.