Shopkeepers Calculator is a complete business calculation app designed specifically for shopkeepers, small business owners, wholesalers, and retail professionals. It brings together 23 essential calculators in one easy-to-use offline app, eliminating the need for multiple tools or manual math. Whether you need to calculate profit margins, set selling prices, manage stock levels, or split bills for customers, this app simplifies your daily tasks with accuracy and speed.

The app is divided into four main categories: Sales and Cash, Profit and Pricing, Tax and Finance, and Inventory and Operations. Each category includes essential tools to help manage your daily shop activities smoothly and professionally. Whether you are running a grocery store, clothing outlet, electronics shop, pharmacy, or managing inventory and credit, this app adapts to your needs.

Included Calculators at a Glance:

Quick Change Calculator – Calculates change with breakdown by denominations
Discount Calculator – Quickly applies percentage or fixed discounts
Split Bill Calculator – Divides bills evenly or with custom amounts
Cash Denomination Calculator – Counts cash by note or coin type
Profit Calculator – Calculates profit and profit percentage
Profit Margin Calculator – Determines margin from cost and revenue
Price Markup Calculator – Calculates selling price with markup
Unit Price Calculator – Compares cost per unit for better pricing
Bulk Order Price Calculator – Applies tiered discounts for bulk deals
Weight-Based Pricing Calculator – Calculates price based on weight and rate
Packaging Cost Calculator – Computes cost of packaging per item
EMI Calculator – Calculates loan installments with interest breakdown
Simple Interest Calculator – Computes interest over time for loans or savings
Tax Calculator – Adds or removes tax from amounts easily
VAT/GST Calculator – Calculates VAT/GST inclusively or exclusively
Multi-Currency Converter – Converts between currencies using exchange rates
Unit Converter Calculator – Converts weights, volumes, and other units
Inventory Cost Calculator – Calculates total inventory value
Stock Level Calculator – Finds reorder levels based on usage and lead time
Breakeven Analysis Calculator – Determines the breakeven point for profit
Stock Reorder Calculator – Tells you when and how much to reorder
Cash Flow Calculator – Tracks income and expenses to show net flow
Customer Credit Tracker – Manages customer credit balances and payments

The app supports English and Bengali languages, offering localized number formatting, currency display, and smooth language switching. It also supports light and dark themes and works across all devices including phones, tablets, and desktops. All calculations are stored automatically in history, and you can mark important ones as favorites. A built-in search makes finding past calculations easy.

One of the most powerful features is offline access. You don’t need an internet connection to use any feature. No login is required, and your data stays on your device. The app is lightweight, launches fast, and performs smoothly on most Android devices.

Built using Flutter, the app follows a clean and responsive design philosophy. Its interface is modern, distraction-free, and optimized for both beginner and advanced users. Whether you manage a physical store or a small online business, this tool helps you stay on top of your finances, pricing, and operations without hassle.

Upcoming updates will include cloud sync, voice input, printable reports, and analytics dashboards to provide even more value. Shopkeepers Calculator is designed to scale with your business needs, making it a smart long-term assistant for daily business management.

Download Shopkeepers Calculator now and take control of your business calculations with confidence, clarity, and speed — all from your pocket.