Processing boundary
Input is processed only in the active browser tab's memory and is not sent to a ByteQuant server.
E02
Calculation tools
Discount & VAT Calculator
Discount & VAT Calculator lets you see discount, tax base, and payable total separately. It runs with explainable rules on your device and keeps assumptions visible before you use the result.
✓ Free✓ No account✓ In-browser
Ctrl/⌘ + Enter
Result
Fill the fields; the explainable result will appear here.
Persistent storage
Input and output are not stored. The optional usage counter keeps only tool identity and count, never content.
Verification
Output comes from disclosed rules or browser APIs and needs independent review before high-impact use.
A result in three steps
- 01
Fill the fields for your real scenario.
- 02
Use Run on my device to produce the result.
- 03
Review assumptions, then transfer or download the result.
When is this tool useful?
- ✓ A quick, auditable result
- ✓ Standardizing repeat tasks
- ✓ Copying or downloading the result
Important limitation
Automated output is a preliminary assessment. Do not use it alone for legal, financial, medical, or security-critical decisions.
LEARN THE WORKFLOW
Guides for this tool
Everyday Calculations Without a Spreadsheet
Reduce input errors while keeping formulas visible for tips, discounts, VAT, unit prices, and splits.
Read guide →ABOUT THIS TOOL
Frequently asked questions
Does this tool send input to a server?+
No. Processing runs in this browser tab. Data leaves the page only when you choose to copy or download the result.
Is the result definitive?+
The tool produces consistent output from disclosed rules and browser APIs, but context, data quality, and method limitations can affect it. Verify high-impact decisions.
Is input saved?+
No. Tool input is not persisted. With consent, only tool identity and usage count may be kept on this device for personal shortcuts.