This free Distrito Federal ICMS calculator starts from the state's 20% standard internal rate. Add tax to a net price, or work backwards from a tax-inclusive total. The rate rose from 18% to 20% from 22 January 2024. The Federal District is not a state, but it sets its own ICMS rate like one.
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Standard internal rate: 20% — The rate rose from 18% to 20% from 22 January 2024. The Federal District is not a state, but it sets its own ICMS rate like one.
Internal rate verified November 2026 · Source: SEFAZ-DF — Ato Declaratório Interpretativo nº 1/2024
Getting the tax split wrong is how invoices turn into arguments: the net, the tax and the total must all be visible and correct. This calculator shows all three instantly, both ways — adding tax to a net price and extracting it from a gross total. When the numbers are right, drop them straight into the free invoice generator.
See all Brazilian states, try the tax calculator for any rate, or put the result on a free invoice. More state calculators: Ceará · Espírito Santo.