New Mexico is unusual: instead of a classic sales tax it charges a Gross Receipts Tax (GRT) on the seller’s revenue, which is passed through to buyers and behaves like a sales tax at checkout. The state base rate is 4.875%, and each city and county layers its own increment on top, so the combined rate you actually pay depends on where the sale happens. This calculator applies the right combined rate and can also back the tax out of a total.
How it works
The calculator uses the combined GRT rate for your selected city (state base plus local increments). In add mode it multiplies your pre-tax amount by the rate to find the tax and grand total. In reverse mode it divides the tax-included total by 1 + rate to recover the pre-tax base and the embedded tax — handy for reconciling receipts.
Because most unprepared groceries are deductible from GRT in New Mexico, the grocery toggle sets the applied rate to zero for qualifying food, leaving the total equal to the pre-tax price.
Tips and notes
- City rates shown are approximate and change in January and July each year — verify the exact location rate with the New Mexico Taxation & Revenue Department before relying on it for filings.
- Prepared food, restaurant meals and most services are generally subject to GRT, even though raw groceries are not.
- For a
$100purchase in Albuquerque (7.625%), the tax is about$7.63, for a total near$107.63. In Santa Fe (8.4375%) the same purchase runs to roughly$108.44.