A list of international shipping rates from the United States to Japan (as of June 15th) categorized by membership.
Please refer to the attached PDF.
FedEx Economy For the Enterprise plan, weight is calculated based on the comparison between actual weight and dimensional weight. For other plans, international shipping rates are determined based on actual weight alone. Exception: If the dimensional weight exceeds twice the actual weight, the dimensional weight will be used.
Yamato International Parcel Service International shipping rates are determined solely based on actual weight. Limited to personal imports purpose only, and the total value of the goods is restricted to $2400 or less.