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Finance & Money Calculator
Illustrative math, reviewed October 2026 — not financial, tax, or legal advice. Verify rates and slabs before you sign or file.
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A discount calculator applies one straight percentage: final price is price × (1 − discount), and the saving is the difference — both answered from a single entry. A ₹1,999 tag at 20% off means you pay ₹1,599.20 and save ₹399.80. The Effective figure shows what share of the marked price you actually pay (here 80%), handy for comparing two offers at a glance.
Type the marked price and the percent off for the instant answer. To reverse-engineer — sale price ₹800 after 20% off — divide by (1 − discount): 800 ÷ 0.8 = ₹1,000 original. For stacked coupons (20% then an extra 10%), run them as two sequential calculations, because percentages multiply (0.8 × 0.9 = 28% off total), they never add.
It does not stack multiple coupons, model buy-one-get-one bundles, or add GST after the discount — chain those steps separately, starting with this straight-percentage figure.
Illustrative math only — not financial advice or a bank quote.
Tax and statutory rules change; verify with a professional.
Divide the sale price by (1 − discount). For a 20% off item at ₹800, that is 800 ÷ 0.8 = ₹1,000.
No — 28%. They apply sequentially (0.8 × 0.9 = 0.72 of the price), so always chain stacked offers instead of adding percentages.
No. Use the GST calculator on the discounted amount if tax applies on top.
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