Short guides on rates, rules, and calculations. No jargon, no unnecessary caveats.
The formula is price times rate. See step-by-step examples and how to reverse-calculate pre-tax price from a total.
Read →State rates run from 0% to 7.25% (California's base rate). Combined rates including local taxes can exceed 11%. Five states have no state sales tax at all.
Read →Use tax is what you technically owe when you bought something without paying sales tax and then brought it home to a taxed state. More common than people realize.
Read →Your combined rate is a stack of state, county, and sometimes city taxes. Three ways to find it, ranked by accuracy.
Read →Most states tax online sales at the buyer's address. A handful use the seller's location for in-state transactions. The rules matter if you sell across state lines.
Read →Large platforms like Amazon now collect sales tax in every state that has one, a change that dates to the 2018 Wayfair Supreme Court ruling. Smaller sellers may still not collect.
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