GST calculator: how it works
Enter an amount and choose whether the tax is already included. Pakistan's standard sales tax is 18%; change the rate for other items or provincial sales tax on services.
How do I add 18% GST?
Multiply by 1.18. Rs 10,000 becomes Rs 11,800.
How do I find the GST in a total?
Divide by 1.18 to get the price before tax; the rest is the tax. Rs 11,800 contains Rs 1,800 GST.
Discount, sale price and GST calculator
Check sale prices before you buy, and work out sales tax for quotes and invoices. Use the Discount tab for "30% off" or "50% + 10% extra" sales, Sales tax to add 18% GST to a price or find the tax inside a price, and Discount + tax for a full bill.
Questions
How do I calculate 18% GST on a price?
Multiply the price by 0.18 for the tax, or by 1.18 for the total. Rs 1,000 + 18% = Rs 1,180.
How do I remove GST from a total?
Divide by 1.18. Rs 1,180 ÷ 1.18 = Rs 1,000, so the tax was Rs 180.
Is 50% + 20% off the same as 70% off?
No. 20% is taken off the reduced price, so the total discount is 60%.