Sales Tax Calculators

SalesTaxLab guides

Plain-language answers to sales tax calculators questions, written from the same sourced data behind SalesTaxLab. Every guide lists its sources and the date it was last updated.

• Updated June 10, 2026

  Which states have no sales tax in 2026?

  Five states levy no statewide sales tax in 2026: Oregon, Delaware, Montana, New Hampshire, and Alaska — though Alaska allows local taxes.

• Updated June 10, 2026

  Why isn't the state sales-tax rate what you actually pay at the register?

  Local governments stack their own sales taxes on top of the state rate. In Alabama that local layer adds 5.46 points; in Louisiana it adds 5.11.