Overview
Sales Tax Calculator converts net and gross prices in both directions and shows tax amount in real time. It is useful for ecommerce pricing, retail checkout, invoicing checks, and daily finance estimation.
Key Features
- Convert net price to gross price with tax amount breakdown.
- Reverse gross price to net price for cost validation.
- Use preset tax-rate buttons or enter a custom rate.
- Get instant updates without manual calculation steps.
How To Use
- Choose one conversion direction and enter price.
- Enter tax rate or click a common-rate preset.
- Read the calculated price and tax amount.
- Copy the result when you need to keep a record.
Calculation Notes
- Gross price = net price x (1 + tax rate)
- Tax amount = net price x tax rate
- Net price = gross price / (1 + tax rate)
FAQ
- Can I enter decimal tax rates? Yes. Decimal rates are supported and currency output keeps two decimals.
- Is my data uploaded? No. All calculations run locally in your browser.
- Why can result differ from business systems? Different rounding rules or specific tax settings may apply.