GST Calculator
Calculate CGST, SGST, IGST components, and total invoice values instantly for adding or removing GST.
Billing, stock, and shop templates
Practical billing, stock control, and business templates for small shops.
Rangpo Store helps shop owners, workshop operators, and owner-led businesses manage billing, stock, daily closing, customer dues, and routine record keeping with clear guides and ready-to-use templates.
Calculators & Utilities
Free Small Business Operational Tools
Perform quick GST calculations, find product margins, or generate invoice numbers using our fast, client-side tools.
Profit Margin Calculator
Quickly calculate Gross Margins, markup percentages, and selling prices to keep your shop profitable.
Discount Calculator
Calculate compound trade discounts and cash discount slabs instantly before writing an invoice.
Stock Value Calculator
Perform fast physical stock audits and calculate the total asset value of your items on hand.
Invoice Sequencer
Generate chronological invoice sequence layouts for structured billing compliance.
Sheet Templates
Download free CSV sheet templates for stock control, cash closing, and customer dues tracking.
Featured Guides
Learn practical operational habits.
Each guide explains the business workflow in plain language, featuring specific checklists and examples based on Indian shop counters.
Billing discipline
Clean item names, payment modes, discount rules, returns, and daily bill review.
Stock control
Purchase entries, stock audits, reorder planning, and dead stock review for small shops.
Daily closing
Cash, UPI, card, expenses, refunds, and day-end matching without argument.
Customer dues
Credit sales, partial payments, reminder language, and approval rules.
Workshop records
Job cards, estimates, parts used, labor charges, delivery notes, and warranty follow-up.
Profit Margins
Gross vs net margin calculations, handling hidden rent/electricity costs, and discount rules.
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