How it works
Inclusive: net = gross/(1+rate); exclusive: gross = net×(1+rate). Output is the tax amount.
Input definitions
- Amount
- Enter the value in the labeled unit.
- Tax rate (%)
- Enter the value in the labeled unit.
- Amount includes tax?
- Choose Inclusive / Exclusive.
A worked example
- Amount
- 120
- Tax rate (%)
- 20
- Amount includes tax?
- Inclusive
Assumptions & limits
User-supplied tax rate; 2-decimal currency. Does not determine jurisdiction, eligibility or legal tax treatment.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-17. Content checked against the stated method and examples. Our verification approach.
Common questions
Does a tax estimate include every credit, relief and payroll deduction?
Only items explicitly listed in the supported scope are included. Check the stated tax year, country, income definition and exclusions before comparing with an official return or payslip.
How does the VAT / GST calculator tool work?
Inclusive: net = gross/(1+rate); exclusive: gross = net×(1+rate). Output is the tax amount.
What are the assumptions and limits of VAT / GST calculator?
User-supplied tax rate; 2-decimal currency. Does not determine jurisdiction, eligibility or legal tax treatment.