Use your phone as a scale
Point your camera at food, jewelry, spices or a package. Scale For Grams estimates the weight in grams or ounces in seconds. No kitchen scale needed.
- Weight estimate from one photo, in seconds
- Grams, kilograms, ounces and pounds
- Food, gold and jewelry, powders, parcels and everyday objects
AI estimateBanana135 g
- iPhone + AndroidAvailable on both platforms
- 30Languages
- g · kg · oz · lbMetric and imperial units
- ~5 sTypical time to a result
Watch the AI weigh real photos
These photos were analyzed by the same AI model the app uses.
- Banana135 g
The banana spans 19 cm relative to the visible hand. A medium-large unpeeled banana of this length typically weighs 135 g.
AI estimate 
Gold ring5 gThe plain gold ring shown against the palm has a 4 mm width and 18 mm diameter, matching standard gold wedding bands that weigh 5 grams.
AI estimate
Spaghetti with Tomato Sauce220 gThis plate of spaghetti with tomato sauce forms a centered mound about 13 cm wide against the 20 cm fork reference, indicating a typical 220 g portion.
AI estimate
Raw chicken breast250 gThe raw chicken breast measures 16 cm in length alongside the 20 cm knife blade. Standard meat density and thickness yield a mass of 250 g.
AI estimate
Coffee Beans12 gThe hand holds 90 roasted coffee beans. At an average weight of 0.13 grams per roasted bean, the total mass is 12 grams.
AI estimate
Results are AI estimates, not measurements.
How it works
- 1
Take a photo
Open the app and photograph the item. A hand, coin, spoon or plate in the frame helps the AI judge the size.
- 2
AI analyzes it
The AI identifies the item, estimates its real size and material, and works out the likely weight.
- 3
Get the weight
See the estimate in grams or ounces with a short explanation of how it was calculated.
What can you weigh with your phone?
Food and portions
Check how many grams of pasta, rice, fruit or meat are on your plate when you track calories or macros.
Jewelry and gold
Get a quick idea of how heavy a ring, chain or bracelet is before you visit a jeweler.
Spices and powders
Estimate small amounts like a pinch of salt, a scoop of protein powder or a spoon of coffee.
Parcels and letters
Get a rough weight before you choose a shipping option or buy postage.
Baking and cooking
Turn what you see into grams when a recipe calls for weights and you have no kitchen scale.
Everyday objects
Curious how much something weighs? Snap it and find out in seconds.
Phone scale app vs. the alternatives
| Scale For Grams | Kitchen scale | "Screen scale" apps | Guessing | |
|---|---|---|---|---|
| Works with just your phone | ✓ | ✕ | ✓ | ✓ |
| A number in seconds | ✓ | ✓ | ✕ | ✕ |
| Food, jewelry, powders and parcels | ✓ | ~ | ✕ | ~ |
| Explains how it got the number | ✓ | ✕ | ✕ | ✕ |
| Certified precision | ✕ | ✓ | ✕ | ✕ |
| Always in your pocket | ✓ | ✕ | ✓ | ✓ |
Honest about accuracy
Phones have no built-in weighing sensor, so no app can turn a phone into a certified scale. Scale For Grams uses the camera and AI to estimate weight from what it sees. For everyday questions — how big is this portion, roughly how heavy is this ring, will this parcel be under the limit — it is fast and practical.
When the exact number matters (medication, selling gold, precise baking), use a calibrated scale.
Tips for the best estimate
- Include something with a known size in the photo: a coin, your hand, a spoon or a plate.
- Photograph the item from above in good, even light.
- Put loose items (spices, powders, rice) in a pile rather than spreading them out.
- The app weighs the contents, not the bowl or plate.
- Fill most of the frame with the item, without cutting it off.
Guides
Phone scale apps
Weighing without a scale
Frequently asked questions
Can a phone really weigh things?
Not physically: iPhones and Android phones have no pressure sensor that could act as a scale. Scale For Grams estimates the weight from a photo using AI, which works for everyday checks without any extra hardware.
Is Scale For Grams available on Android?
Yes. Scale For Grams is available on the App Store for iPhone and on Google Play for Android phones.
How accurate is the estimate?
It depends on the photo and the item. Common items photographed next to a size reference give the most reliable estimates; very small or unusual items are harder. Treat the result as a good estimate, and use a certified scale when exactness matters.
What can I weigh?
Food and drinks, fruit and vegetables, spices and powders, jewelry and gold, parcels and letters, and most everyday objects that fit in a photo.
Does it show grams and ounces?
Yes. You can switch between metric (grams, kilograms) and imperial (ounces, pounds) units.
Is Scale For Grams free?
The app is free to download and you can try it for free. Unlimited weighing is part of a subscription.
Do I need an internet connection?
Yes. The photo is analyzed by AI in the cloud, so a mobile or Wi-Fi connection is needed.
Weigh it with your camera
Download Scale For Grams and get your first weight estimate in seconds.
On a computer?
Scan the code with your phone camera to download the app.