How Are Gasoline Prices Normally Calculated? (2025)

Gasoline is a classic supply and demand commodity. Higher usage normally translates into somewhat lower supply and higher demand ultimately leading to higher prices. This is especially true in the summer months.

Prices vary across Florida cities as they do nationally across regions. Retail prices are determined by a number of factors including transportation costs, location (urban, rural), average volume pumped, and competitive mix (the concentration of major oil companies and the presence of independent marketers).

According to the Energy Information Administration (EIA), an arm of the U.S. Department of Energy, the price paid by consumers can be traced to four major components. Below are those components and their approximate percentages in calculating the cost of a gallon of gasoline:

Crude Oil

49%

Federal/State/Local Taxes

26%

Refining

15%

Marketing/Distribution/Profits

10%

Crude Oil
The price of crude oil is easily the most significant factor in determining gasoline prices. Crude oil is a publicly traded commodity that is susceptible to market fluctuations. The U.S. holds about two percent of the world’s proven oil reserves, while we import 50 percent of the oil that Americans consume. The major U.S. ports for crude oil imports are New York, the Gulf Coast and the West Coast.

Among the reasons offered for the crude price spike was the uncertainty in Iraq, and an oil workers’ strike in Venezuela. The Venezuela strike was settled and production resumed, further assisting the crude price drop.

Federal/State/Local Taxes
Federal excise taxes are 18.4 cents per gallon. The State of Florida also levies 14.1 cents per gallon in Motor Fuel Taxes. Local governments levy anywhere from 9.6 cents per gallon in Franklin and Okaloosa Counties to 17.5 cents in several counties, creating a range of 42.1 cents in total fuel taxes and inspection fees to 52.29 cents.

Refining
Crude oil is not a usable petroleum product. Once crude reaches the United States, or is pumped from a domestic oil field, it is unloaded at refineries where it is processed into products such as gasoline, diesel fuel, and heating oil. While the U.S. has the largest refining capacity in the world, Florida does not have a refinery, resulting in higher distribution costs.

Marketing and Distribution Costs and Profits
This component includes the cost of transporting, storing and distributing gasoline from refineries to gas stations. Most of the gasoline in the U.S. is transported from refineries to wholesale terminals through pipelines. Since Florida has no significant pipelines, most gasoline is barged in from the Gulf Coast. The cost of bringing fuel into Florida is higher due to the absence of both refineries and pipelines.

Retailers have indicated their profits typically range somewhere between five and 10 cents per gallon.

How Are Gasoline Prices Normally Calculated? (2025)

FAQs

How is gas price calculated? ›

Gasoline prices are determined largely by the laws of supply and demand. Gasoline prices cover the cost of acquiring and refining crude oil as well as distributing and marketing the gasoline, in addition to state and federal taxes. Gas prices also respond to geopolitical events that impact the oil market.

How is gas cost calculated? ›

The number of kWh is then be multiplied by the price per kilowatt hour as detailed on your gas bill. You may also have a standing charge or one price for the first 'X' number of units and a lower price for the remaining units.

How are US gas prices determined? ›

The main components of the retail price of gasoline

The cost of crude oil. Refining costs and profits. Distribution and marketing costs and profits. Taxes.

How are oil prices determined? ›

Crude oil prices are driven by global supply and demand. Economic growth is one of the biggest factors affecting petroleum product—and therefore crude oil—demand. Growing economies mean a higher demand for energy, in general, especially for transporting goods from producers to consumers.

How do you calculate gas rate? ›

Metric gas rating calculations:
  1. 3600 (seconds in 1 hour) * (final reading - initial reading)(m³) / test time (s)
  2. 3600 * 0.053 / 120 = 1.59m3/hr.
  3. Gas rate * CV (kW/m³)
  4. (3600* 0.053 * 10.76) / 120 = 17.11kW.
  5. Gross / net conversion rate.
  6. ((3600* 0.053 * 10.76) / 120) / 1.1 = 15.41kW.

Who determines the price of a gallon of gas? ›

Production. The cost of crude oil is the most significant factor of how gas prices are determined. In fact, it accounts for more than half of what we pay for per gallon of gasoline. Put simply, this means that supply ultimately determines the price of gas.

How do you calculate gasoline? ›

How do I calculate fuel consumption per 100 km? To calculate fuel consumption per 100 km, divide the amount of fuel used in liters by the distance in kilometers and multiply the product by 100. If you want to find the fuel consumption per 10 km, perform the same first step but multiply the product by 10 instead of 100.

How to calculate fuel cost? ›

The basic formula for calculating fuel cost is: Distance (km) / Mileage (km/L) x Fuel Price (Rs./L) = Fuel Cost (Rs.). This formula assumes you know the distance you'll travel, your car's mileage, and the current fuel price.

What is the formula for calculating gas? ›

First, let's review the ideal gas law, PV = nRT. In this equation, 'P' is the pressure in atmospheres, 'V' is the volume in liters, 'n' is the number of particles in moles, 'T' is the temperature in Kelvin and 'R' is the ideal gas constant (0.0821 liter atmospheres per moles Kelvin).

Who actually controls gas prices? ›

Petroleum prices are determined by market forces of supply and demand, not individual companies, and the price of crude oil is the primary determinant of the price we pay at the pump.

Who controls the oil in the world? ›

OPEC members at the beginning of 2021 held about 72% of the world's total proved crude oil reserves, and in 2022, accounted for about 38% of total world crude oil production.

Where does the US get its oil? ›

The top five source countries of U.S. gross petroleum imports in 2023 were Canada, Mexico, Saudi Arabia, Iraq, and Brazil.

Who decides how much oil cost? ›

Like most commodities, the fundamental driver of oil's price is supply and demand in the market. The cost of extracting and producing oil is also an important factor. Oil markets are composed of speculators who are betting on price moves, and hedgers who are limiting risk in the production or consumption of oil.

Why are US gas prices so high? ›

According to the U.S. Department of Energy, those factors include: The cost of raw crude oil, which fluctuates based on international supply and demand. The cost to refine crude oil into gasoline, which rises during warmer months. Taxes, which vary state-to-state.

How much does it cost to produce a barrel of oil in the US? ›

Production expenses, such as the cost of goods sold, operating expenses, and production taxes, totaled $28.06 per barrel of oil equivalent in the first quarter of this year, 59% more than the pre-pandemic average and the highest for any quarter during the past five years.

How is gas fee calculated? ›

How are Gas Fees Calculated? The calculation of gas fees involves two key components: the gas limit and the gas price. The gas limit is the maximum amount of work a user estimates a validator will do for a particular transaction. The gas price, on the other hand, is the price per unit of work done.

What makes up the cost of gasoline? ›

The Energy Information Administration boiled it down to four general categories. Crude oil is the biggest piece of the pie making up about 57% of the price of a gallon of gas as of 2022. Then comes refining and profits at 17.7%, followed by distribution and marketing at 12.4%, then federal and state taxes at 12.8%.

What is the profit margin on a gallon of gas? ›

Generally, the markup (or “margin”) on a gallon of gas is about 15 cents per gallon (gross profit before expenses). Factoring in expenses, which include rent, utilities, freight, labor and credit card fees, a retailer is left with about 2 cents per gallon in profit.

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