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Dimensional weight by carrier
Each carrier publishes its own divisor and its own rounding rule, and the rounding matters more than people expect — it is applied to every dimension before the volume is divided.
| Carrier | Schedule | Divisor | Dimension rounding | Result rounding |
|---|---|---|---|---|
| UPS | US Daily Rates (in / lb) | 139 | Up, to next whole inch | Up, to next whole pound |
| International (cm / kg) | 5,000 | To nearest whole cm | Up, to next half kg | |
| FedEx | US & intl (in / lb) | 139 | To nearest whole inch | Not published |
| International (cm / kg) | 5,000 | Up, to next whole cm | Not published | |
| DHL Express | International (cm / kg) | 5,000 | Not published | Not published |
| DPD UK | UK (cm / kg) | 5,000 | Not published | Not published |