# Scale for Grams > Scale for Grams is a free digital scale app that estimates object weight from photos. Users photograph any object and receive instant weight estimates in grams, kilograms, pounds, and ounces. Available at scaleforgrams.com and on the iOS App Store. - Free to use: 2 scans per day on web, no account required - Supports 4 units: grams (g), kilograms (kg), pounds (lbs), ounces (oz) - Available in 10 languages: English, Spanish, French, German, Japanese, Korean, Chinese, Portuguese, Italian, Hindi - Accuracy: typically within 10-20% for common everyday items - Works on any modern browser and as a native iOS app ## Pages - [Web App](https://scaleforgrams.com): Main web application — photograph any object to get weight estimates - [Blog](https://scaleforgrams.com/blog): Weighing guides, unit conversion references, measurement tips - [iOS App](https://apps.apple.com/us/app/digital-scale-for-grams-kilo/id6751028750): Native iOS app with unlimited scans, offline mode, and scan history - [Full Documentation](https://scaleforgrams.com/llms-full.txt): Complete technical documentation, FAQ, supported object categories, accuracy details ## Blog Topics - Weight measurement without a physical scale - Grams to ounces and unit conversion guides - Baking by weight vs volume - Shipping weight estimation and postage tips - Common object weights reference charts - Kitchen scale alternatives and tips ## Optional - [Sitemap](https://scaleforgrams.com/sitemap.xml): XML sitemap of all pages - [Crawling Policy](https://scaleforgrams.com/robots.txt): AI search crawlers allowed, training crawlers blocked