Oil Shipping Costs Surge to 40% of Crude Value, Adding Over 80 Cents Per Gallon to Gasoline Prices
nashnova research
Shipping a supertanker of crude from the U.S. to Japan now costs $81 million — up nearly ninefold in one year — pushing freight to over 40% of the oil's value and adding more than 80 cents per gallon to gasoline prices as costs ripple from ports to pumps and store shelves.
How much has shipping surged?
A fully loaded supertanker carrying about 2 million barrels from the U.S. to Japan costs $81 million in late November. The same route averaged just $9.1 million last year — a nearly ninefold jump, or roughly $40.50 per barrel.
This means → freight now accounts for over 40% of U.S. crude's price (about $95/barrel). In 2025, that ratio averaged just 7%.
In plain terms = for every $95 barrel of oil, $40 goes just to moving it across the ocean. Shipping has become almost a "second barrel."
How does this hit your wallet?
Kenneth Medlock, a researcher at Rice University's Baker Institute, estimates that every $10/barrel increase in freight adds roughly 23 cents per gallon to retail gasoline. By that math, freight alone has added over 80 cents per gallon versus last year.
Medlock describes the pass-through as "a slow-moving freight train" — it doesn't arrive instantly, but the longer it persists, the stickier the price increase becomes.
This means → it's not just gasoline. "Everything in supermarkets, convenience stores, and malls gets more expensive," Medlock says, "because this is how we move goods."
Why did freight spike so suddenly?
The direct driver is the shipping-safety crisis triggered by the U.S.–Iran war and the Russia–Ukraine war. Ship attacks near the Strait of Hormuz and the Red Sea have sent insurance premiums and risk surcharges sharply higher.
Vessels are rerouting onto longer paths to dodge attacks, tying up capacity for more days per voyage. After Saudi Arabia's main pipeline was hit, exporters shifted more shipments through the Strait of Hormuz and adopted ship-to-ship transfers — splitting one large cargo across several smaller vessels to spread attack risk — consuming even more tanker supply.
Signal Ocean data shows that since the U.S.–Iran war began in February, freight for Suezmax tankers (capacity ~1 million barrels) on the U.S. Gulf-to-Asia route has quadrupled.
Who is making money from this?
Tanker owners are earning extraordinary profits. On round-trip voyages from the Persian Gulf through Hormuz to Asia, peak single-ship daily earnings hit $1.3 million. In 2025, the same route averaged just $55,000 per day.
In plain terms = same route, same ship, daily income jumped from $55,000 to $1.3 million — a roughly 24-fold increase. Maritime analyst Michelle Wiese Bockmann said: "If someone had told me six weeks ago we'd see $1 million a day, I wouldn't have believed it."
Some shippers have locked in rates with three-to-five-year contracts. If freight keeps climbing, those deals become a major cost advantage. Shippers still renting on the spot market month to month have no shelter.
What happens next?
The International Energy Agency (IEA) warned that record freight rates are already squeezing Asian refiners' margins. Countries heavily dependent on crude imports — India, the Philippines, Indonesia — face the sharpest cost shock.
This means → if geopolitical conflicts don't ease, high freight will keep pushing global inflation higher — from crude to refined fuel to every product on supermarket shelves.
The core variable is singular: when does shipping safety improve? Once conflicts cool, the speed of the freight decline will determine whether this cost wave truly "breaks its fever" at the consumer level.
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