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Minas Gerais ICMS Calculator

Minas Gerais's standard internal ICMS rate is 18%. Use this free calculator to add it to a price — or strip it out of a total that already includes it — instantly, with no signup. That is the state's standard internal rate for most goods and services.

Minas Gerais ICMS Calculator

Results update live as you type. Amounts in BRL. Nothing leaves your browser.

Standard internal rate: 18% — That is the state's standard internal rate for most goods and services.

Your Numbers
“Add tax” starts from a net price. “Remove tax” works backwards from a total that already includes tax. This is the STANDARD INTERNAL rate in Minas Gerais — This is the state's standard internal rate for most goods and services. Reduced tax bases, exemptions and tax substitution (ICMS-ST) can change the effective tax on specific items, and sales to buyers in other states generally use the interstate rates of 7% or 12% instead — this calculator does not cover those cases. If a different rate applies to your item, type it into the rate field. If you know a different rate applies to your item, type it into the rate field.
Your result
0.00
total including tax
Net amount (before tax)0.00
Tax amount0.00
Gross amount (with tax)0.00
Add this to a free invoice →

Internal rate verified November 2026 · Source: SEFAZ-MG — Lei nº 6.763/1975, art. 12, I, d.1

How to calculate Minas Gerais ICMS in 3 steps

  1. Enter your amount. Type the price you are working with — either before tax or tax-inclusive, depending on what you have.
  2. Pick the rate and direction. The 18% standard internal rate is pre-filled and editable; choose “Add tax” or “Remove tax”.
  3. Read the split instantly. You get the net amount, the exact tax, and the gross total — ready to quote, invoice, or check a receipt against.

Why getting the Minas Gerais split right matters

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.

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Minas Gerais ICMS FAQ

The standard internal rate is 18%. That is the state's standard internal rate for most goods and services.
Multiply the net price by the internal rate and add it on: a R$500.00 item at 18% gives R$90.00 of tax and a R$590.00 total. In the calculator, choose “Add tax”, enter the amount and rate, and the split appears instantly.
Divide the gross total by (1 + rate ÷ 100). At 18%, a R$500.00 total divides to a R$423.73 net — the tax inside it is R$76.27. Choose “Remove tax” in the calculator and it does this for you.
No. This is the state's standard internal rate for most goods and services. Reduced tax bases, exemptions and tax substitution (ICMS-ST) can change the effective tax on specific items, and sales to buyers in other states generally use the interstate rates of 7% or 12% instead — this calculator does not cover those cases. If a different rate applies to your item, type it into the rate field.
Sales to buyers in other states generally use the interstate rates of 7% or 12%, not the internal rate, and tax substitution (ICMS-ST) may also apply. This calculator starts from the internal rate; type 7% or 12% into the rate field if you are pricing an interstate sale.
Yes — unlimited calculations, no signup, no watermark. Everything runs in your browser; nothing you type is uploaded anywhere.

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See all Brazilian states, try the tax calculator for any rate, or put the result on a free invoice. More state calculators: Mato Grosso do Sul · Pará.