Measure the outer box, not the item inside it.
Check the real thing
Official sources only. These top-level pages don't move, so this list stays current on its own.
Prototype. Divisors are the published industry standard. Carrier surcharges and customs charges are deliberately not estimated here — they change too often to state honestly.
Some links on this site are affiliate links. If you use one, this site may earn a commission at no additional cost to you. It does not change the numbers above — the divisors are published industry standards, not opinions.