FINANCE TOOL

Reverse Sales Tax Calculator

Find the pre-tax amount and included tax from a total and tax rate.

FREE ONLINE TOOL

Total including taxTax rate (%)

Pre-tax amount

100

Included tax

Net = gross / (1 + rate / 100); tax = gross − net

Single tax applied to the full net amount; enter the applicable rate.

STEP BY STEP

How to use reverse sales tax calculator

IN PRACTICE

120 / 1.20 = 100; tax = 20.

GOOD TO KNOW

Single tax applied to the full net amount; enter the applicable rate.