Discount Calculator: GST & Tax

GST, tax & profit calculator for shopping, billing and business use.

Calculate discount, GST, tax, and price in seconds with this fast and accurate all-in-one calculator app for shopping, billing, and business use.
Whether you need a discount calculator to find the sale price, a GST calculator to add or remove GST amounts, or a tax calculator to get the total price with tax included — this app covers every calculation you need in one place.

DISCOUNT CALCULATION

•Calculate discount on any original price and get the final sale price instantly
•Find the original price before discount using reverse discount calculation
•Apply multiple discounts at once with the stackable discount calculator
•Calculate triple discount or layered coupons in one step
•Use the percent off calculator to find savings on any product

GST CALCULATION

•GST calculator for inclusive and exclusive GST amounts
•Add GST or remove GST from any price with a single tap
•Supports GST rates: 5%, 12%, 18%, and 28%
•CGST, SGST, and IGST breakdown for accurate GST billing
•GST amount calculator for business invoicing and retail use
•Useful for GST calculation in India, Australia, and Canada (HST, PST)

TAX CALCULATION

•Sales tax calculator by rate for any purchase
•Calculate tax amount and total price with tax included
•Supports VAT calculation for UK (20%) and other regions
•Tax inclusive and tax exclusive price calculation made simple
•Ideal for US sales tax, Canadian HST, and Indian tax calculation

PERCENTAGE CALCULATION

•Calculate percentage increase or decrease quickly
•Find what percentage one number is of another
•Simple and accurate percentage calculator for everyday use

PROFIT AND MARGIN CALCULATION

•Profit calculator to find net profit from cost and selling price
•Margin calculator for gross margin and gross profit percentage
•Markup calculator to set the right selling price from cost
•Business profit calculation for retail, wholesale, and ecommerce
•Calculate reseller margin, cost of goods, and break-even price

PRICE CALCULATION

•Calculate final price after discount and tax together
•Price calculator for shopping cart totals and billing
•Unit price comparison to find the best value pack or size
•Sale price calculator for clearance, seasonal, and coupon deals

WHO IS THIS FOR

•Shoppers: Calculate sale price, discount amount, and total savings before checkout
•Business owners: Use the profit calculator, margin calculator, and markup calculator for accurate pricing
•Billing professionals: GST amount calculation, tax rate finder, and invoice pricing tool
•Students: Fast and accurate percentage calculator for everyday math

KEY FEATURES

•Instant results for all discount, GST, tax, price, and profit calculations
•Simple and clean interface — no complex steps or learning required
•Covers GST calculation (India, AU, CA), VAT (UK), and sales tax (US)
•Accurate profit and margin calculation for small and large businesses
•Percentage calculator with increase and decrease support
•Free to use with no login or sign-up required

From quick shopping math to detailed business pricing, this app handles every discount calculation, GST amount, tax rate, sale price, profit margin, and percentage calculation you need — fast, accurately, and without any hassle.

Download now and simplify your discount, GST, tax, price, and profit calculations every day