Deterministic
Formula-driven results with decimal-safe money handling.
Built for India
Free GST, Invoice & Business Calculators for India
Fast calculators and document tools designed to make everyday decisions simpler. No mandatory sign-up for basic tools.
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Choose what you need
- Business ToolsCalculators and document tools for running and managing your business.GST • Margin • Inventory • Quotation • InvoiceExplore Business Tools →
- Personal ToolsSimple calculators for loans, purchases and everyday decisions.EMI • Discounts • Due dates • Number to WordsExplore Personal Tools →
Popular Tools
- GST CalculatorAdd or extract GST and split tax.
- Profit MarginCompare profit, margin and markup.
- Discount CalculatorCalculate savings and final price.
- EMI CalculatorEstimate EMI, interest and total payment.
- Invoice GeneratorCreate a GST-ready A4 invoice.
- Quotation GeneratorCreate a professional quotation.
Tools for businesses
Private by default
No sensitive values in analytics or logs.
Mobile first
Fast, accessible workflows designed for shop owners on phones.