What's a per-kilometer charge?

It's a charge that replaces the oil and gasoline fees currently in place.

The per-kilometer charge is paid for each kilometer driven and fully replaces oil and gasoline fees. The amount charged takes into consideration factors such as a vehicle's weight and how much wear and tear it causes to the roads. That way, we charge for road use instead of fuel consumption.

Why?

So that we can ensure the development and maintenance of safe and sound roads for the foreseeable future.

Fuel and gasoline fees were introduced when fuel consumption accurately reflected road use, and so were already factored into the price paid at the fuel pump. The financing of our road infrastructure has in large part relied upon them.

With technological advances and more fuel-efficient cars, the system has become outdated, and the average charge per kilometer has decreased by 43%, from 12.2 ISK/km in 2006 to 7.0 ISK/km in 2023. Once the energy transition is complete, the system will have run its course. That’s why we're introducing the per-kilometer charge.

How?

It's like the electricity bill.

The per-kilometer charge is paid monthly in a similar way to the electricity bill. The charge for road usage is therefore simply moved from the fuel pump to a digital format. The charge is based on the vehicle’s mileage, which is recorded once a year on island.is or when the car is taken in for inspection.

The per-kilometer charge was introduced for electric, hydrogen, and plug-in hybrid vehicles in 2024, and the plan is for other vehicles to follow in 2025.

Costs remain the same for the average petrol car

Passenger cars and vehicles under 3.5 tons pay 6.7 ISK for each kilometer they drive. This amount is based on the assumption that government charges for the average petrol car will remain the same before and after the changes.

All vehicles in the same weight category will pay the same rate per kilometer. As a result, costs will decrease for some and increase for others, but on average, they will remain the same. 

The average petrol car

Passenger car  ·  Casoline/Petrol  ·  7,5 L/100km  ·  14k km. p. year  ·  With VAT  ·  Blended

The old system in 2024

The new system in 2025

ISK per month

0 ISK

5k ISK

10k ISK

15k ISK

20k ISK

25k ISK

23.000 ISK
23.000 ISK
Total fees remain the same
Fee for useage (per-kilometer charge)
Fee for useage (fuel fee)
Carbon tax
VAT
Energy cost

Heavy vehicles will pay more

Heavy vehicles, which can weigh up to 32 tons, pay the most, while family cars under 3.5 tons pay the least. A truck and trailer combination can weigh up to 49 tons in total, and in such cases, the charge is based on the weight of each component separately.

The per-kilometer charge rate is structured into 29 weight brackets and is based on the cost of building and maintaining roads in proportion to vehicle weight. See more about the relationship between the per-kilometer charge and vehicle weight here. See more about the relationship between the per-kilometer charge and vehicle weight here.

Road wear and tear increases with the fourth power of weight

Passenger car 2t
Passenger car 3t
Truck I 12t
Truck II 18t
Road wear and tear
Construction of road infrastructure
Summer and winter road maintenance
External costs of road transport

A fairer system

With the per-kilometer charge, payment is based on actual road usage, measured by kilometers driven rather than fuel consumption.

This way, road usage is no longer tied to the type of energy used. Under the old system, older vehicles paid more, and heavier vehicles did not pay in proportion to the wear and tear they caused. The per-kilometer charge ensures a fairer fee structure for the future and allows for adaptation to potential technological developments.

At the same time, the updated carbon tax ensures that it will always be more cost-effective to drive environmentally friendly vehicles.

icon

What impact does the per-ki­lometer charge have on rural areas?

Drivers in rural areas will, on average, pay less under the new system than they did under the old one for the same amount of driving.

Cars in rural areas are generally larger and consume more fuel, likely due to more demanding conditions than in the capital region.

Read more
icon

What impact does the per-ki­lometer charge have on lower-­income groups?

Lower-income groups will, on average, pay less under the new system than they did under the old one for the same amount of driving.

In the old system, older and less fuel-efficient cars paid more for road usage. The per-kilometer charge corrects this by ensuring that all cars in the same weight category pay the same rate.

Read more
icon

Why do cars under 3.5 tons pay the same rate?

The per-kilometer charge is based on the basic cost of keeping roads open and safe. This cost is the same for all vehicles with a total weight under 3.5 tons.

In addition, vehicle weight is taken into account, since increasing weight raises the cost of road wear and tear. This cost is very high for heavy vehicles up to 32 tons and truck-trailer combinations up to 49 tons, but very low for family cars under 3.5 tons.

Read more
icon

Will pump prices for petrol and diesel be reduced?

Yes, pump prices will decrease overall because fuel taxes are being removed.

The size of the reduction depends on the proportion of environmentally friendly fuel additives. The decrease will range from about 95 to 105 ISK per liter of petrol (based on a blend ratio of 0–10%), and about 80 to 88 ISK per liter of diesel.

Read more

Adapting to the Energy Transition

The per-kilometer charge is independent of energy sources, making it adaptable to the energy transition and potential future technological developments.

The combination of the per-kilometer charge and the updated carbon tax encourages the shift to cleaner energy, as it ensures that the lowest operating costs will always be for electric vehicles. The basic monthly operating cost of an electric car will be ISK 14,000 lower (ISK 168,000 annually) than that of a comparable petrol car.

Cheaper to operate an electric car

Per-kilometer charge (road usage fee)
Carbon tax (emissions fee)
Energy cost
Vehicle tax
Value-added tax (VAT)
Comparison based on a petrol car consuming 7.5 L/100 km and an electric car driven 14,000 km per year.

To ensure sustainable funding for the construction and maintenance of safe and efficient roads across the country into the future.

  • The old system is outdated and cannot provide adequate funding for the road network in the long term. It assumes that all vehicles run on petrol or diesel and consume significant fuel. It has not adapted to the growing number of fuel-efficient vehicles and will become obsolete with the energy transition.
  • In 2023, road usage charges (fuel taxes and the general per-kilometer charge on trucks) yielded only 7 ISK per kilometer driven — a 43% drop from 2006, when they provided 12.2 ISK/km.
  • The new system will stabilize government revenue from road usage charges, ensuring a predictable and future-proof funding model.

Paying for road usage: The per-kilometer charge replaces petrol and diesel taxes, which will be removed.

  • Road usage will now be measured by kilometers driven rather than fuel consumption.
  • All vehicles in the same weight category will pay the same rate, regardless of energy source.
  • The per-kilometer charge will be paid monthly, based on usage calculated from an annual odometer reading submitted via Ísland.is or during a vehicle inspection.
  • Pump prices for diesel and petrol will decrease as fuel taxes are removed.

Paying for CO₂ emissions: The carbon tax will be updated.

  • It provides incentives for the energy transition by ensuring that driving a zero-emission vehicle will always be the most affordable option.
  • It also encourages the use of more fuel-efficient vehicles.
  • The updated carbon tax will be aligned with international carbon pricing.
  • It will remain part of the pump price for petrol and diesel.

No, this is a structural change designed to keep government charges for the average petrol car at the same level as in 2024.

  • The 6.7 ISK per-kilometer rate is based on the assumption that public charges for the average petrol vehicle will remain unchanged in the new system in 2025 compared to the old system in 2024.
  • All vehicles within the same weight class will pay the same rate per kilometer. In the old system, vehicles were charged differently based on fuel consumption. As a result, costs will decrease for some and increase for others, but on average they will stay the same.

Drivers in rural areas will, on average, pay less under the new system than they did under the old one for the same amount of driving.

  • Vehicles in rural areas are generally larger and less fuel-efficient, likely due to more demanding driving conditions compared to the capital region.
  • In the old system, higher fuel consumption meant higher taxes, disproportionately affecting rural drivers who often rely on larger vehicles.
  • The new system corrects this by applying the same per-kilometer rate to all vehicles in the same weight category, regardless of efficiency. As a result, areas where less fuel-efficient vehicles are more common will generally see lower costs.
  • The actual effect for each individual still depends on how fuel-efficient their vehicle is and how much they drive.

Lower-income groups will, on average, pay less under the new system than they did under the old one for the same amount of driving.

  • Lower-income individuals are generally more likely to drive older and less fuel-efficient vehicles.
  • In the old system, these vehicles incurred higher fuel taxes due to higher consumption, leading to greater road usage charges.
  • The new system corrects this by applying the same per-kilometer rate to all vehicles within the same weight category, regardless of age or efficiency. As a result, those driving older, less efficient cars will generally see reduced costs.
  • However, the actual effect for each person still depends on their vehicle’s fuel consumption and how much they drive.

Yes, the per-kilometer charge is structured across 29 weight categories. Heavy transport trucks weighing up to 49 tons pay the highest rate, while family cars under 3.5 tons pay the lowest.

  • The rate for passenger cars is 6.7 ISK per kilometer, whereas the heaviest vehicles can pay up to 70.29 ISK per kilometer.
  • The structure aims to reflect the actual cost of building and maintaining roads in proportion to the total vehicle weight, while also keeping the system simple (cf. image below).
  • The rate includes a fixed base cost that is distributed fairly evenly among all vehicles regardless of weight, and a variable cost that reflects road wear and tear, which then rises proportionally according to vehicle weight by a factor of four (cf. image below).
  • As a result, there's only a small difference in the road wear caused by a 2-ton passenger car versus a 3-ton one. In contrast, a 20-ton vehicle causes significantly more wear and therefore incurs much higher costs.
  • Vehicles commonly used by the general public to get around are typically under 3.5 tons. These are the lightest vehicles on the road and will pay the lowest per-kilometer charge.
  • Heavy vehicles, ranging from 3.5 tons up to 49 tons in total weight, pay a progressively higher per-kilometer charge based on weight categories. This includes everything from large American pickup trucks to buses and articulated freight trucks.

Yes, it incentivizes and moves the energy transition forward by ensuring that the operating cost of electric vehicles remains the lowest.

  • The basic operating cost of an electric car will be 14,000 ISK lower per month (168,000 ISK annually) than that of a comparable petrol vehicle.
  • Diesel and petrol vehicles will pay the updated carbon tax.
  • The lower cost of owning and operating an electric vehicle is due to exemption from the carbon tax, reduced vehicle tax, lower VAT, and the fact that electricity is a much cheaper energy source than petrol.

The per-kilometer charge is paid monthly, in a similar manner to electricity or other utility bills.

  • It is calculated based on kilometers driven, as recorded through odometer readings.

The odometer reading must be submitted once per year. This can be done during the vehicle’s annual inspection or online at island.is.

  • On island.is, it is also possible to view a vehicle’s driving history and update the odometer reading every 30 days for more precise tracking of road usage.

Yes, pump prices will decrease overall.

  • Fuel taxes on petrol and diesel will be eliminated, and pump prices will drop accordingly.
  • However, the updated carbon tax will be higher and will partly offset that decrease.
  • The exact reduction in price will depend on the proportion of environmentally friendly fuel additives. These additives have not previously been subject to fuel or carbon taxes, so their share of each liter will also affect the final price change.

Yes, motorcycles will be subject to the per-kilometer charge, but at a reduced rate. The rate for motorcycles will be 40% lower than that for passenger cars, or ISK 4 per kilometer.

The rates are calculated via 29 weight categories, with the charge increasing as the total vehicle weight increases.

  • For freight trucks with trailers, charges are applied separately to the total weight of the truck and the total weight of the trailer.

Yes, all vehicles using Icelandic roads will be subject to the per-kilometer charge.

  • Car rental companies will be responsible for paying the charge based on odometer readings or a daily rental rate.
  • Tourists bringing their own vehicles to Iceland will pay a fixed road usage fee for the duration of their stay.

No, you will not have to pay the per-kilometer charge for driving done outside of Iceland.

  • You must provide evidence that the vehicle was used abroad, such as booking confirmations or transport documents.
  • You will also need to record the vehicle’s odometer reading both at departure and return, and request a deduction from the Icelandic tax authorities (Skatturinn) for the distance driven abroad.

No, agricultural equipment and construction machinery that are primarily used off public roads are not subject to the per-kilometer charge.

  • Only vehicles that are both registration- and inspection-obligated must pay the charge.
  • The following types of vehicles are exempt from inspection requirements and therefore also exempt from the per-kilometer charge: Tractors designed for speeds of 40 km/h or less; Tractors designed for speeds over 40 km/h that are primarily used off public roads; Off-road vehicles; Construction machinery; Tractor trailers (R1, R2, R3, and R4) designed for speeds of 40 km/h or less, and trailers that are almost exclusively used off public roads; Vehicles that have been deregistered or taken off the road; Electric tow tractors.

There will be no per-kilometer charge for trailers under 3.5 tons.

  • There will be no per-kilometer charge for trailers under 3.5 tons. This means that most camper trailers, folding campers, caravans, and small utility trailers used by the general public are exempt.

The per-kilometer charge for heavy trailers will be introduced in phases.

  • For trailers weighing between 3.5 and 10 tons, no charge will apply in 2025. In 2026, 80% of the full rate will apply, and from 2027 onward, the full rate will be charged.
  • For trailers weighing 10 tons or more, a 60% charge will apply in 2025, 80% in 2026, and the full rate starting in 2027.
  • The per-kilometer charge for trailers follows the same rate structure and is based on total trailer weight. For vehicle-trailer combinations, the total charge will be the sum of the towing vehicle’s charge and the trailer’s charge.

Yes, under current law, odometers are to be used for measuring vehicle mileage and applying charges accordingly.

  • For standard passenger cars, the odometer must be functional. Compliance is checked during vehicle registration and inspections.
  • For heavy vehicles, the per-kilometer charge will be based on a certified and functioning odometer (tachograph).

Yes, pump prices will decrease overall.

  • Fuel taxes on petrol and diesel will be eliminated, and pump prices will drop accordingly.
  • The updated carbon tax will be higher, which will slightly offset the reduction.
  • The size of the reduction depends on the proportion of renewable additives in the fuel sold by each supplier, since those components have not previously been subject to fuel taxes.
  • For petrol, the price reduction will range from around 95 to 105 ISK per liter, depending on whether the blend includes 0% to 10% renewable content.
  • For diesel, the reduction will range from about 80 to 88 ISK per liter under the same conditions.

Our roads to the future
Roads to the Future is an information site concerning the implementation of a new unified system designed to charge for the use of road transport. The design and implementation of the new system is led by special purpose advisory group which operates on behalf of the Ministry of Economic Affairs, the Ministry of Infrastructure and the Prime Minister´s Office. The website uses data from The Icelandic Transport Authority, Statistics Iceland, the Ministry of Environment, Energy and Climate, the Icelandic Road and Coastal Administration, and the Ministry of Finance and Economic Affairs.