All-in-One Calculator Percentage GST Profit & Loss Percentage Calculator Choose Mode: X% of Y What percentage of X is Y Percentage Increase/Decrease Result: - GST Calculator Enter Amount: GST Rate (%): Select Option: Add GST Remove GST Result: - Profit & Loss Calculator Cost Price (CP): Selling Price (SP): Result: - Merge PDF Files Merge PDF Files Drag & Drop PDFs here OR click to select Merge PDFs Download Merged PDF Merge PDF Limitation Browser Support: Modern browsers (Chrome, Edge, Firefox, Safari). Not supported in IE.