About 1099 Tax Estimator
1099 Tax Estimator is an educational planning tool for freelancers, contractors, creators, sellers, gig workers, and mixed-income households that need a fast estimate of what to set aside for quarterly taxes.
What the site does
The calculator estimates self-employment tax, federal income tax, simplified state tax, safe harbor, effective tax rate, and a next-payment amount. It shows intermediate numbers so users can understand why the estimate changed instead of seeing only a final payment.
Inputs stay in your browser and are never sent to a server. The tool does not create accounts, store financial data remotely, file tax forms, or replace IRS forms and professional advice.
How figures are sourced
Federal tax brackets, standard deductions, estimated tax dates, self-employment tax rates, and Social Security wage base figures are kept in versioned rate tables with IRS and SSA source links. This makes annual updates a data change rather than a hidden code change.
State estimates are labeled as simplified because state deductions, credits, and local rules vary widely. The federal estimate is the primary focus.
Editorial standard
Every page answers a real planning question, cites primary IRS and SSA sources, shows the tax year and last-updated date, and keeps the educational disclaimer visible. No page on this site promises tax savings, refunds, penalty elimination, or CPA-level advice.