Sales Tax Calculator - USAHELP SME INC.
1.0.0 Varies with device
This calculator is handy for determining sales taxes in the U.S. as well as internationally. This calculator has two tabs. The first calculates the tax on a subtotal, and gives you the total including tax. The second tab lets you calculate the taxes from a total price including tax, and gives you the subtotal before tax. Handy for figuring out sales taxes if you sell products with "tax included" - or if you want to "extract" tax amounts and subtotals from grand totals.