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Model Car And Slot Track Racing Scales


Main Competition Scales for Model Cars and Slot Tracks:

Slot car vehicles for miniature car racing competetions are available in:

  • 1:24 scale similar to Garden Railway Scale or Dollhouse 1:24 (Half) scale for commercial racetracks. Cars are 7-8 inches 18-20 cm. long. Tracks are too large for normal home use.
  • 1:32 (equivalent to the old #1 Gauge of toy trains) is a popular competition scale which can also be used at home on larger layouts. 1:32 is the same scale as Britain’s toy soldiers and figures. 1:32 Slot cars are 5-6 inches (13-15 cm.) long.

  • HO scales where the cars vary from 1:87 to 1:64 scale.


Common Scales to Race at Home:

  • 1:32 scale is fast becoming a popular choice for home racers as well as competitions. In 1:32 scale a track with a length of 37 feet will take up about 8ft x 16 ft of space.

  • HO called scales of 1:87, 1:76 (Britsh OO scale railways). The HO scales have evolved from models adapted from train scales to a car variant which takes larger motors and which is now closer in actual scale to 1:64. The cars are 2 ½ to 3 ½ inch (6 to 9 cm ) long. Regardless of their scale size, HO cars will all run on the same width track.

    Other Scales:

    Slot cars are also available in O scales similar to O size trains of 1:48 scale.

    Children’s tracks are mostly marketed in 1:43 which is similar to O scale. A car in this scale is 4 ¼ or 11 cm long.

    Darda cars, another popular form of model car racing (wind up motor racing no electricity) are listed as being 1:43 scale but that appears to vary with the model and ranges up to 1:58 at least.


    Track Types:

    Cars for children’s home use generally run on plastic slot together track sections.

    1:24 and 1:32 cars for competition are usually run on wood sheet tracks with routed guides for the cars and commonly have 6 – 8 lanes. The most often discussed track for competition 1:24 racing is the blue king track which is 155 ft. long and designed to particular shapes and standards.

    HO scale competition tracks are usually 60 – 100 ft long with 4- 6 lanes. In this scale the track may be routed wood or plastic.


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