USPS to launch weekly fuel surcharge in 2027, matching FedEx and UPS

The U.S. Postal Service will start charging a weekly-updated fuel surcharge across its core package services in January 2027, the agency announced Monday, adopting a pricing mechanic FedEx and UPS have run for years.

The fee applies to USPS Ground Advantage, Priority Mail, Priority Mail Express and Parcel Select shipments. It covers domestic shipments only. Negotiated contracts "may have customized language" on how the surcharge applies, according to the Postal Service.

The percentage will be recalculated weekly from diesel and jet fuel prices published on the U.S. Energy Information Administration's website. It will be charged as a percentage of the base postage amount.

For shippers, visibility comes with a short lead time. USPS will publish the applicable percentage three to five days before implementation for diesel-linked shipments, and three to four days ahead for jet fuel-linked shipments.

"Shippers will receive updates electronically, through API or other means, for current/upcoming percentages to be applied, along with effective dates," the agency said. "Historical data will be posted publicly."

Why does this matter for parcel shippers?

The move pulls USPS into line with the two private parcel giants. FedEx and UPS both levy fuel-linked fees tied to diesel and jet fuel indices, and those surcharges have pushed delivery prices higher for shippers throughout 2026 as the Iran war and Strait of Hormuz disruptions drove up fuel costs.

For high-volume e-commerce shippers that built rate cards around USPS's historically simple pricing, a floating weekly surcharge adds budgeting friction. It also removes one of the last structural price advantages USPS held against its rivals.

The surcharge is not USPS's first move toward competitor-style pricing. In April, facing surging transportation costs, the agency imposed an 8% price increase on several services, set to run through Jan. 17, 2027.

The agency defended that hike in an announcement, saying "this charge is less than one-third of what our competitors charge for fuel alone" and that it would "provide a necessary bridge to a permanent mechanism" for meeting its universal service obligation in a financially sustainable way.

Did the April increase work?

Commercially, yes — at least on revenue. The temporary increase helped USPS lift package shipping services revenue 7.7% year over year in the third quarter, even as volume in the category fell 3.4% YoY. That yield-over-volume trade was a rare bright spot in a quarter that ended in yet another net loss for the agency.

Postal leadership has signaled there is more pricing to come. Postmaster General David Steiner told a USPS board of governors meeting in August: "All of the statistics and results show that we have yet to cross the point that we should be changing our pricing strategy, and that we have more price to take in the marketplace. It would be financially irresponsible of us not to do so."

That statement, paired with the 2027 surcharge plan, points to a USPS that intends to keep pushing rates while it still sees headroom. Shippers on USPS Ground Advantage and Parcel Select should expect the April 8% increase to hand off directly to the fuel-linked mechanism once the temporary charge expires on Jan. 17, 2027 — with weekly percentage swings replacing a fixed uplift.