ShipWave Research
Original shipping-cost research built on ShipWave's live multi-carrier rate engine. Real quoted rates, clearly dated — not list prices or estimates.
The ShipWave Parcel Rate Index
We price the same package basket across USPS, UPS, and FedEx on a single day. The cheapest carrier flips by weight and zone — and the same-box ground spread averages 129%.
2026 Surcharge Tracker
How residential, additional-handling, and fuel surcharges stack on top of the 5.9% headline rate increase to land on a real e-commerce order. Timed to the late-2026 peak-season schedules.
The USPS DIM-Divisor Impact (166 → 139)
What the July 12, 2026 USPS dimensional-weight change costs lightweight, bulky shippers — measured by re-pricing real box profiles before and after the rule.
Press & data requests: ShipWave can share full datasets and methodology on request. All figures may be cited with attribution to the relevant ShipWave study.