Product Weight Calculator
Estimate a product's weight from its description, dimensions, material, and an optional reference photo.
Size information
Providing any size information helps us give a more accurate estimate.
Add product photo
Including a standard size reference, such as a credit card or a 330 ml (12 oz) can, helps us give a more accurate estimate.
Material (optional)
Choose the material that best matches your product.
This estimate is based on the product details and photo provided and is intended as a general weight guide.
100% free to use. No sign up required.
How to use it
Use Product Weight Calculator in four steps.
Start with rough context, choose the direction, then turn the result into copy you can refine and use.
- 1Describe the productTell us what you are shipping, including its construction or visible features.
- 2Add size informationEnter dimensions, describe an approximate size, or use a reference photo.
- 3Add material or a photoChoose optional material details and upload a clear product photo to narrow the estimate.
- 4Review the estimateUse the range for planning, then weigh the packed item before buying postage.
Make the result more useful.
- Use centimeters or inches consistently for every dimension.
- Include the material and whether the item is hollow, solid, padded, or filled.
- Add a familiar object in a reference photo when exact dimensions are unavailable.
- Describe hidden parts, thick walls, handles, hardware, or dense components.
- Treat the result as a product estimate, not a guaranteed shipping weight.
- Add packaging details separately when you need a postage estimate.
- Use the midpoint for early planning and the high end for safer cost estimates.
- Weigh one finished sample before publishing a fixed shipping rate.
Frequently asked questions
How accurate is the Product Weight Calculator?
It provides a practical estimate based on the information you provide. Material, dimensions, construction, and hidden components can change the actual weight, so weigh a finished sample before using the result for postage or shipping rates.
Can I estimate weight from a photo?
Yes. A photo can help when it includes a familiar object or another clear size reference. The result will be broader when the image has no reliable scale reference.
Does the estimate include packaging?
No. The estimate is for the product unless you include packaging details in your notes. Add the box, mailer, padding, inserts, and labels separately when planning shipping weight.
What dimensions should I enter?
Enter the product's approximate length, width, and height using the same unit. For irregular products, use the largest practical measurements and describe the shape in the product notes.
What if I do not know the material?
You can still run an estimate from the product description, size, and photo. Naming the material or whether the item is hollow or solid will usually make the range more useful.
Related Tools
More e-commerce helpers.
Loved using Product Weight Calculator?
Bring the same material into Recasto to plan the campaign, adapt it for each channel, schedule posts, and keep follow-up organized.