Carton fit estimate
Use the same unit for carton and item sizes.
PARCEL & SELLER TOOL
Carton Fit Calculator: How Many Items Fit?
Estimate how many identical rectangular items fit in a carton using six simple orientations.
How to use this tool
The calculator checks six rectangular orientations and estimates a grid count. It does not simulate protective materials, irregular items, or stacking strength. Use the same unit for every dimension.
Privacy and limits
This tool runs in your browser and does not upload its text or image inputs to a calculator service. Results are general information. Check important provider, carrier, or marketplace rules before relying on an estimate.
Common question
Do I need an account? No. Open the page and use the tool directly.