1:24 Scale Calculator

1:24 (and its close cousin 1:25) is one of the most common scales for model and diecast cars. At 1:24, a 24 cm real measurement becomes 1 cm on the model, so a typical car ends up around 18–20 cm long.

Scale Converter

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What fits at 1:24

Model and diecast cars, trucks, motorcycles and dollhouse-adjacent props. Big enough for opening doors and engine detail.

Real subjectReal size1:24 model
Ford Mustang 4.8 m 20 cm
Volkswagen Beetle 4.08 m 17 cm
Ferrari F40 4.43 m 18.5 cm
Human figure 1.8 m 7.5 cm

Size comparison at 1:24

Relative model sizes at 1:24 (longest bar = largest model):

1:24 in mm, cm and inches

How common real-world sizes convert to 1:24 model size:

Real sizeModel (mm)Model (cm)Model (inches)
1 m 41.7 mm 4.17 cm 1.64 in
2 m 83.3 mm 8.33 cm 3.28 in
5 m 208 mm 20.8 cm 8.2 in
10 m 417 mm 41.7 cm 16.4 in
1 ft 12.7 mm 1.27 cm 0.5 in
6 ft (person) 76.2 mm 7.62 cm 3 in

Frequently asked questions

How long is a 1:24 model car?

A 4.8 m car becomes about 20 cm long at 1:24 (4.8 ÷ 24 = 0.2 m).

Related scales

→ See all scales