Sao Tome and Principe VAT GST Sales Tax Calculator
Free Sao Tome and Principe vat gst sales tax calculator with country-specific defaults and clear step-by-step results.
About Sao Tome and Principe VAT GST Sales Tax Calculator
Computes VAT/GST/sales tax on a price, and can work backwards from a tax-inclusive total to find the pre-tax base.
Formula
Formula
Total = base × (1 + rate) or Base = total / (1 + rate)
Check the applicable Sao Tome and Principe VAT/GST/sales-tax rate — rates vary by product and region.
Frequently Asked Questions
How does this calculator work?
Computes VAT/GST/sales tax on a price, and can work backwards from a tax-inclusive total to find the pre-tax base.
Are the figures specific to Sao Tome and Principe?
Retailers and shoppers both need the tax-inclusive total and the pre-tax base to compare prices and invoice correctly.
Related Calculators
- Sao Tome and Principe Business Days Calculator
- Sao Tome and Principe Currency Converter
- Sao Tome and Principe Electricity Bill Calculator
- Sao Tome and Principe Employer Payroll Cost Calculator
- Sao Tome and Principe Exchange Rate Calculator
- Sao Tome and Principe Fuel Cost Calculator
- Sao Tome and Principe Hourly to Annual Salary Calculator
- Sao Tome and Principe Import Duty Calculator
- Sao Tome and Principe Income Tax Calculator
- Sao Tome and Principe Inflation Adjustment Calculator
Sao Tome and Principe specifics
- Currency
- STN
- Region
- Africa
- Country code
- ST
- Amounts look like
- STN 1,234,567.89
- Dates look like
- Mar 9, 2026
- Units
- metricWeek starts Monday
Results on this page are expressed in STN. Figures are estimates for general planning — confirm current rates and thresholds with the relevant Sao Tome and Principe authority before relying on them.
More Sao Tome and Principe calculators
- Sao Tome and Principe Business Days Calculator
- Sao Tome and Principe Currency Converter
- Sao Tome and Principe Electricity Bill Calculator
- Sao Tome and Principe Employer Payroll Cost Calculator
- Sao Tome and Principe Exchange Rate Calculator
- Sao Tome and Principe Fuel Cost Calculator
You might also need
- Sao Tome and Principe Income Tax CalculatorAlso in Sao Tome and Principe
- Sao Tome and Principe Property Tax CalculatorAlso in Sao Tome and Principe
- Sao Tome and Principe Business Days CalculatorAlso in Sao Tome and Principe
- Sao Tome and Principe Electricity Bill CalculatorAlso in Sao Tome and Principe
- Sao Tome and Principe Exchange Rate CalculatorAlso in Sao Tome and Principe
- Sao Tome and Principe Fuel Cost CalculatorAlso in Sao Tome and Principe