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How to Report a Calculator Bug
Accurate math matters to us. If a result looks wrong, please include: (1) the calculator name, (2) the exact inputs you entered, (3) the result you saw, (4) what you expected and why, and (5) your browser and device. A clear report lets us reproduce and fix the issue quickly.
Example Bug Report
Calculator: State Dividend Tax Estimator · Inputs: $10,000 qualified dividends, CA resident, $90,000 income · Issue: result showed $0 state tax; expected roughly $440 based on CA's 9.3% bracket. Browser: Chrome on Windows.
Where to Find Answers Faster
- "Why is my yield so high or low?" — read What Is Dividend Yield and the yield-trap section of the Basic Yield calculator.
- "Is my dividend qualified?" — see the Holding Period Tax Comparator and Qualified vs Non-Qualified Dividends.
- "Which states tax dividends?" — browse the 50-State Dividend Tax Guides.
- "Should I reinvest?" — compare the DRIP Calculator with the DRIP vs Manual guide.
Our Team and Postal Mail
DividendYieldCalc.com is operated by a small remote team; we do not maintain a public walk-in office. The fastest way to reach us is email at 18999737@qq.com. For postal correspondence, contact us by email first and we will provide a mailing address.
If you have questions about using our calculators, spot an error in our math or tax assumptions, or want to suggest a new tool or guide, we would like to hear from you. We read every message and use the feedback to improve the site.
Contact Information
Email: 18999737@qq.com
Website: dividendyieldcalc.com
What We Can Help With
- Calculator questions: how a specific tool works, what an input means, or why a result looks different from your expectation.
- Corrections: tax rates, state rules, or formulas that have changed since publication.
- Content ideas: topics for new guides, blog posts, or state pages.
- Partnerships: relevant, non-spam collaboration requests.
Before You Email: Check These First
Many questions are already answered in depth on the site:
- General questions — our FAQ page.
- Tax mechanics — the State Tax Estimator and REIT Tax Calculator.
- Your state's rules — the 50-State Dividend Tax Guides.
- Strategy basics — our blog (yield, DRIP, Aristocrats, retirement income).
Response Time
We aim to reply within 3–5 business days. Detailed tax or calculation questions may take a little longer because we verify the answer before responding.
Not Personalized Financial Advice
DividendYieldCalc.com provides free, educational calculators and articles. We do not offer personalized investment, tax, or legal advice, and we cannot review your specific portfolio or tax return. For decisions involving your own situation, consult a licensed CPA, CFP, or tax attorney. See our full Disclaimer and Privacy Policy.
Page last updated: June 2026.