
Automatic Carrier Shipping Cost Calculation - Complete Guide
Automatically calculated shipping rates from carriers provide accurate shipping costs based on package size, weight, and destination. This integration shares customer shipping data with major carriers to determine precise delivery fees.
Available Countries:
- Australia
- Canada
- France
- Germany
- Netherlands
- New Zealand
- Singapore
- United Kingdom
- United States (excluding Puerto Rico and U.S. Virgin Islands)
Step 1: Add Product Dimensions and Weight
- Open the product
- Click [Weight and Dimensions]
- Enter Length, Width, Height, and Weight (include packaging materials)
- Repeat for all products
Note: For large orders, reduce dimensions by at least one inch to optimize packaging if multiple items should fit in one package.
Step 2: Select Carrier Services
- Open Shipping panel
- Click [Add Shipping Options]
- Select carrier:
- U.S.: Choose UPS, FedEx, or USPS
- Other countries: Select [Automatically Calculated Shipping Costs by Carriers]
- Enter shipping origin address
- Select desired carrier services
Step 3: Add Packaging Materials
Choose between:
- Carrier packaging materials (if available)
- Custom packaging materials
To add custom packaging:
- Click [Add Custom Packaging Material]
- Enter name and dimensions
- Click + to add
- Save shipping options
Step 4: Add Markup (Optional)
Enter percentage or fixed amount markup to cover:
- Packaging fees
- Handling
- Time
- Potential errors
Checkout Display
- Rates show automatically when customers enter address
- Multiple options available for comparison
- Shopping cart limited to 150 items
- Rates based on:
- Product packaging
- Weight and dimensions
- Destination address
Rate Optimization Tips:
- Add custom packaging materials
- Reduce product packaging dimensions
- Use markup feature if needed
- Consider EasyShip extension for discounted rates
For oversized items exceeding carrier limits, use alternative shipping options like "Variable Based on Weight" or "Flat Rate."
Note: All rates are based on retail prices for U.S. carriers, with discounts applied outside the U.S. through EasyShip extension.
Related Articles

How to Manage Squarespace Payments Settings and Account Details
