Fuel surcharge · trucking

Fuel surcharge calculator

This week's national diesel price, and the surcharge it works out to at your base price and your truck's MPG.

U.S. average diesel, week of Oct 26, 2026 $6.352per gallon

Your numbers

Base (peg) fuel price, $ per gallon The price your surcharge starts above. Set yours. Diesel price for Current fuel price, $ per gallon This week's U.S. average. Change it to what you pay. Truck MPG Linehaul rate, $ per mile optional Trip miles optional

Base price, MPG, rate and miles are prefilled as an example. Replace them with yours.

Your fuel surcharge is $0.785 per mile.

That is $392.46 on a 500-mile trip, and 31.4% of your linehaul rate.

Surcharge per mile = (current price − base price) ÷ MPG, never below zero
Trip surcharge = surcharge per mile × trip miles
Share of linehaul = surcharge per mile ÷ linehaul rate per mile

This week's fuel surcharge table

At a base of $1.25 and 6.5 MPG. Each row is figured at the low end of its 10-cent band; your current price's band is marked.

Diesel price per gallon	Surcharge per mile
$5.800 – $5.899	$0.700
$5.900 – $5.999	$0.715
$6.000 – $6.099	$0.731
$6.100 – $6.199	$0.746
$6.200 – $6.299	$0.762
$6.300 – $6.399 · current price	$0.777
$6.400 – $6.499	$0.792
$6.500 – $6.599	$0.808
$6.600 – $6.699	$0.823
$6.700 – $6.799	$0.838
$6.800 – $6.899	$0.854

National diesel price, last 52 weeks

Low $3.459 (Jan 12, 2026), high $6.529 (Sep 21, 2026), this week $6.352.

The last 8 weeks

Week of	U.S. diesel	Change
Oct 26, 2026	$6.352	+$0.076
Oct 19, 2026	$6.276	+$0.097
Oct 12, 2026	$6.179	−$0.020
Oct 5, 2026	$6.199	−$0.183
Sep 28, 2026	$6.382	−$0.147
Sep 21, 2026	$6.529	+$0.244
Sep 14, 2026	$6.285	+$0.318
Sep 7, 2026	$5.967	+$0.368