🧾 GST Calculator

GST add karein ya remove karein — base aur final price turant jaanein.

Add GST: Final Price = Base × (1 + rate÷100) . Jaise ₹5,000 pe 18% GST = ₹900, final ₹5,900.

Remove GST: Base = Final × 100 ÷ (100 + rate) . Jab bill amount mein GST already shamil hai tab yeh use karein.

India ke saare standard GST slab (0.25%, 3%, 5%, 12%, 18%, 28%) support hain. Shopkeeper, freelancer aur GST filing — teeno ke liye roz ka kaam.