What is Missouri Sales Tax Calculator?
Missouri Sales Tax Calculator — The Missouri sales tax is a consumption tax of 4.225% levied by the state on retail purchases, with local jurisdictions adding up to roughly 6.625% more (maximum combined 10.85%).
This page calculates Missouri sales tax with the same rate table the main calculator uses: 4.225% state base rate, plus local rates that can add up to roughly 6.625% depending on the city and county — a maximum combined rate of 10.85%. The table below precomputes common purchase amounts at both the state-only and maximum combined rates; the calculator handles any amount, including reverse calculations ("price included tax — how much was the tax?").