Offline GST Calculator is a fast, simple, and reliable way to calculate Australian Goods and Services Tax (GST) anytime — even without an internet connection. Designed for everyday use, this app applies the standard 10% Australian GST rate to help you quickly estimate tax-inclusive and tax-exclusive amounts. Whether you’re a business owner, shopkeeper, freelancer, or accountant, this app makes GST calculations effortless and accurate. Key Features Offline GST Calculation Calculate GST anytime, anywhere — no internet required. 10% Australian GST Rate Uses the standard GST rate applied in Australia. Inclusive & Exclusive Mode Easily calculate prices including or excluding GST. Fast & Easy to Use Instant results with a clean and simple interface. Lightweight & Private No ads, no login, no data collection. Perfect For Small business owners Shopkeepers & retailers Freelancers Accountants Students learning GST basics Use Cases Calculate GST for invoices and bills Find total price including GST Extract GST from a GST-inclusive amount Quickly estimate tax for daily transactions Why Choose This App? Works 100% offline Fixed 10% Australian GST calculation Simple, fast, and lightweight Ideal for daily GST estimation needs Important Information This application is not affiliated with, endorsed by, or representing the Australian Government or the Australian Taxation Office (ATO). The GST calculations provided are for estimation purposes only and are based on the standard 10% Australian GST rate. Tax rules may vary depending on individual circumstances. Official Source: Australian Taxation Office – Goods and Services Tax (GST) https://www.ato.gov.au/business/gst/