# Scale for Grams

> Scale for Grams is an AI-powered digital scale application that estimates object weight from photos. Users photograph any object and receive instant weight estimates in grams, kilograms, pounds, and ounces. Available as a free web app and iOS app.

## What it does

Scale for Grams uses GPT-4o computer vision to analyze photos and estimate weight. No physical scale is needed — just a smartphone camera. The AI identifies the object, cross-references known densities and dimensions, and returns a weight estimate in 4 units simultaneously.

## Key Facts

- Free: 2 scans per day on web, unlimited on iOS app
- Units: grams (g), kilograms (kg), pounds (lbs), ounces (oz)
- Languages: English, Spanish, French, German, Japanese, Korean, Chinese, Portuguese, Italian, Hindi
- Accuracy: 10-20% for common everyday items
- No account required, privacy-first design
- Works on any modern browser (mobile and desktop)

## Use Cases

- Weighing food items and ingredients for cooking
- Estimating jewelry and coin weight
- Checking package weight before shipping
- Weighing fruits, vegetables, and produce
- Quick weight estimates without a physical scale

## Links

- Web App: https://scaleforgrams.com
- iOS App: https://apps.apple.com/us/app/digital-scale-for-grams-kilo/id6751028750
- Full Documentation: https://scaleforgrams.com/llms-full.txt