WooCommerce Flat Rate Box Shipping is a powerful shipping extension that lets you ship products using fixed-rate boxes. Create box sizes, set costs, and define packing rules so orders are automatically packed into the most efficient box. Perfect for stores that ship by box rather than weight, it streamlines rates, reduces overcharges, and simplifies checkout.
- Define unlimited custom box sizes (dimensions and weight limits)
- Smart packing algorithm chooses the best box combination
- Flat-rate cost per box, per item, or per box plus per item
- Supports multiple box services and shipping classes
- Fallback rates when items don’t fit a box
- Per-destination rules (country, state, postcode)
- Handling fees and cost modifiers by box or order
- Optional free shipping thresholds
- Control over packing: volume, dimensions, or item count
- Exclude products or force products into specific boxes
- Display box-based rates at checkout with clear labels
- Works with WooCommerce zones and core shipping settings
- Tax status support (taxable or none)
- Compatible with coupons, subscriptions, and pre-orders
- Developer-friendly hooks and filters for custom logic
