Net / gross definitions
- Net → Gross (exclusive input): tax = amount × (rate / 100), gross = amount + tax
- Gross → Net (inclusive input): base = gross ÷ (1 + rate / 100), tax = gross − base
Rounding uses your chosen mode (nearest / up / down). Display formatting follows Intl.NumberFormat('hi-IN') for INR.
When to use this calculator
Use this page when you need a GST-exclusive or GST-inclusive amount in INR and want the India-specific workflow in one place. It is the right page when the rate comes from common GST slabs and you also need to choose CGST+SGST versus IGST before sharing the result.
Best workflow
- Decide whether the amount you have is before GST or already GST-inclusive.
- Choose the GST rate and supply type before checking the total, so the tax split is interpretable.
- Only after that should you compare rounding or copy the shared URL.
When to open another tax page
- Use VAT / Sales Tax when you need a custom global tax rate rather than GST slabs.
- Use Consumption Tax when one receipt mixes several Japanese item rates.
- Use Income Tax when the question is annual personal tax rather than invoice tax.
FAQ
Should I enter a base amount or a GST-inclusive total?
Use the GST-inclusive checkbox when your source amount already includes tax. Leave it off when the amount is the base price and you want GST added on top.
When does supply type matter?
Supply type matters when you need to split GST into CGST+SGST or show it as IGST. If you only need one total tax number, choose the mode that matches the document you are reproducing.
How is this different from a generic VAT page?
This page follows the GST workflow with common GST rates, INR formatting, and supply-type splitting. A generic VAT page is better when the tax system is not GST-based or the rate is completely custom.
What should I verify before sharing a GST result?
Verify the direction of the input (exclusive or inclusive), the chosen GST slab, the supply type, and the rounding rule. Those four settings explain nearly every difference between two GST outputs.