Plain-language answers to the questions our calculators get used for most. No jargon, no long detours: just what you need to invoice and price with confidence.
Same-state sales split the tax equally into CGST and SGST. Inter-state sales carry the full rate as a single IGST line. The place of supply decides, not where your customer's office is registered.
Try the GST calculatorWhen a price already includes tax, divide by 1 + rate/100 to get the taxable value. On ₹11,800 including 18%, the base is ₹10,000 and GST is ₹1,800.
Remove GST from a priceA 50% markup on cost is only a 33.33% margin on revenue. Quoting one when you meant the other is one of the most common pricing mistakes in retail and trading.
Compare margin and markupFestive offers look harmless until you compare the discounted price against landed cost. Run the offer price through profit and margin before you announce it.
Plan a discountA lower EMI from a longer tenure usually means far more interest overall. On a ₹10 lakh loan at 10.5%, stretching 36 to 60 months adds roughly ₹1.2 lakh in interest.
Calculate an EMICTC bundles employer PF, gratuity and benefits that never reach your bank account. In-hand pay is typically 75–85% of CTC depending on the salary structure.
Break down a CTCEach quick answer above has a full step-by-step walkthrough behind it: with formulas, worked rupee examples and comparison tables. Read how to calculate GST, markup vs margin or how to create a GST invoice, or browse all business guides.
Prefer to skip the maths? These free calculators do each computation for you:
Guidance only: confirm the rate and treatment for your goods or services with your accountant. See our disclaimer.