Sales Tax Calculator is an online tax assessment tool to calculate the Sales Tax on the commodity price. This is one of the fund raising method to the Government. Usually these taxes will be applied at the point of purchase. The tax will be charged by the seller from the buyer when the commodity is purchased and this tax amount will be returned to the Government. Sales taxes are applied to certain commodities and services. When it comes to online calculation, this sales tax calculator can assist you to determine the sales or service taxes according to the applicable tax rates.