Educational calculators on the marketing site; real math runs in the BasilTax app on your uploads.
Full computation in the app
Upload W-2s and 1099s for deterministic 1040 + supported states. Free to try.
Create free accountRough federal sanity check from wages and withholding.
Open toolShort vs. long-term toy model.
Open toolSee how vest ordinary income interacts with sale gain.
Open toolApproximate Schedule SE before wage base cap.
Open toolPlain-English questions that flag common audit triggers.
Open tool