1:1000 Scale Calculator

1:1000 is used for city and urban-planning models and large site plans. At 1:1000, 1 cm on the drawing equals 10 metres in reality.

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What fits at 1:1000

Urban planning models, city massing, large site and landscape plans.

Real subjectReal size1:1000 model
Skyscraper (height) 300 m 30 cm
City block 100 m 10 cm
Football pitch (length) 105 m 10.5 cm
Ten-storey building (height) 32 m 3.2 cm

Size comparison at 1:1000

Relative model sizes at 1:1000 (longest bar = largest model):

1:1000 in mm, cm and inches

How common real-world sizes convert to 1:1000 model size:

Real sizeModel (mm)Model (cm)Model (inches)
1 m 1 mm 0.1 cm 0.039 in
2 m 2 mm 0.2 cm 0.079 in
5 m 5 mm 0.5 cm 0.197 in
10 m 10 mm 1 cm 0.394 in
1 ft 0.305 mm 0.03 cm 0.012 in
6 ft (person) 1.83 mm 0.183 cm 0.072 in

Frequently asked questions

What does 1:1000 mean?

1 cm on the drawing equals 1000 cm (10 m) in reality, so a 300 m skyscraper is drawn 30 cm tall.

Related scales

→ See all scales