Sales tax and VAT
Add or extract tax using the rate you supply, with net, tax and gross amounts. Drag the graph handles to change inputs and explore the result.
Your inputs
The editable example is illustrative. Enter your own dimensions, operating data, prices, and fees. Results update as you edit.
Calculations run in your browser. Inputs are not saved or sent to analytics.
How it works
- = × (1 + ÷ 100); = ÷ (1 + ÷ 100)
- Worked example: 100 × 1.2 = 120; 120 ÷ 1.2 = 100
- Supported input limits: : 0 ≤ x ≤ 1,000,000,000,000; : 0 ≤ x ≤ 10,000
Input and formula key
Your result
Complete the inputs to see your result.
Assumptions and limitations
Enter the rate yourself; no jurisdiction or tax rate is detected. Inclusive mode extracts tax already inside the amount. Exclusive mode adds tax to the net amount. One rate applies to the entire amount.
Sources
- OpenStax — sales tax, commission and discounts Sources reviewed: 2026-10-06



