1:25 Scale Calculator

1:25 is a common metric architectural scale for room and detail drawings, and a popular scale for plastic model cars and trucks (close to 1:24). At 1:25, 1 cm on the drawing equals 25 cm in reality.

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What fits at 1:25

Architectural detail and interior drawings, plus model cars, trucks and figures.

Real subjectReal size1:25 model
Family car 4.8 m 19.2 cm
Box truck 6 m 24 cm
Standard door (height) 2 m 8 cm
Person 1.8 m 7.2 cm

Size comparison at 1:25

Relative model sizes at 1:25 (longest bar = largest model):

1:25 in mm, cm and inches

How common real-world sizes convert to 1:25 model size:

Real sizeModel (mm)Model (cm)Model (inches)
1 m 40 mm 4 cm 1.57 in
2 m 80 mm 8 cm 3.15 in
5 m 2 mm 20 cm 7.87 in
10 m 4 mm 40 cm 15.7 in
1 ft 12.2 mm 1.22 cm 0.48 in
6 ft (person) 73.2 mm 7.32 cm 2.88 in

Frequently asked questions

Is 1:25 the same as 1:24?

They are very close. 1:24 and 1:25 models are almost interchangeable in size, differing by only about 4%.

Related scales

→ See all scales