Contact

Questions, corrections or calculator suggestions? Email contact@piggymath.com. We typically reply within two business days. This inbox is for the site, not a tax-prep hotline — we don’t e-file or give personalised tax advice.

What to include

• The calculator URL (for example SE tax or quarterly) and what you typed in.
• Whether the result looks wrong versus how we check our math — a screenshot of the outputs helps.
• For 2026 constants (brackets, wage base, standard deduction), we cite the sourced list on Tax Constants 2026. Don’t send Social Security numbers or tax returns.

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Press kit and citeable explainers: Press & brand.