Free shipping tools免费运费工具
Know your real shipping cost.算清您的真实运费。
Check the billable (dimensional) weight of a parcel and estimate what better carrier rates could save you each month.计算包裹的计费重量（体积重），并估算更优的物流协议价每月能为您省下多少运费。
Dimensional weight calculator体积重计算器
Carriers charge the greater of actual weight and dimensional weight. Enter your box size to see the billable weight.物流商按实际重量与体积重中较大的一个计费。输入箱子尺寸，查看计费重量。
Formula: length × width × height (inches) ÷ divisor, rounded up to the next pound. Divisors, rounding and when DIM pricing applies vary by carrier, service and contract — always check your carrier’s current rules.公式：长 × 宽 × 高（英寸）÷ 系数，向上取整到下一磅。不同物流商、服务与协议的系数、取整规则及体积重适用条件各不相同，请以物流商最新规则为准。
Shipping savings estimator运费节省估算器
See what a lower average cost per parcel adds up to over a month and a year.看看每票平均运费降低一点，一个月、一年累计能省多少。
Illustrative only. Your actual rates depend on weights, dimensions, zones, service level and volume. Get a real quote for your shipping profile — it’s free.仅为示意估算。实际运费取决于重量、尺寸、区域、服务类型与货量。免费获取基于您真实发货数据的报价。