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How long is a Swedish mil?

The length of a mil, where it is used and how it differs from the older unit.

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Short answer

A modern Swedish mil is 10 kilometres, or 10,000 metres, according to Nationalencyklopedin. Swedish agencies use the unit in everyday figures: Trafikverket says it has almost 10,000 mil of state roads, and Trafikanalys reports an average of 1,243 mil for a Swedish-registered car in 2025.

Driving and traffic rules in Sweden Illustration of a car on a forest road with a moose warning sign and a car key

Why

  1. Nationalencyklopedin gives a modern Swedish mil as 10 km, which is 10,000 m.
  2. Trafikverket says it has almost 10,000 mil of state roads, and that about a quarter of them are salted.
  3. Trafikanalys says a Swedish-registered passenger car drove 1,243 mil on average in 2025.

Details

The average of 1,243 mil is about 12,430 km, since one mil is 10 km. Nationalencyklopedin says the unit came with the introduction of the metric system in Sweden, and that the older Swedish mile was about 10,688 m. Trafikanalys counts Swedish-registered vehicles wherever they were driven. Fuel use is often given in litres per mil, see fuel stations in Stockholm. For road trips see road trips in Sweden and for rules driving and traffic rules in Sweden.

Tip

When a Swedish source gives a distance in mil, multiply by 10 to get kilometres.

What may differ

Older texts may mean the older Swedish mile, which Nationalencyklopedin gives as about 10,688 m, and not the modern 10 km.

Common misconception

A Swedish mil is the same as an English mile.

What actually happens

Nationalencyklopedin defines the modern Swedish mil as 10 km, or 10,000 m.

People also ask

  • What is a Swedish mil in kilometres?
  • How many kilometres is one mil?

Sources

Information checked on 28 October 2026.

Driving and traffic rules in Sweden