
1:150
scale
One metre becomes 6.7 mm. A person is 11.7 mm tall, a door 14 mm, a 3 m storey 20 mm. Everything below is drawn at 1:150.
Hold any bank card flat against the screen and move the slider until the outline below matches its edges. The setting stays in this browser.
Real size,
1:150 size
For a whole building at every scale at once, use the scale calculator.
| A stair riser 17.5 cm | 1.17 mm |
|---|---|
| A chair seat 45 cm | 3 mm |
| A person 1.75 m | 11.7 mm |
| A door 2.1 m | 14 mm |
| A storey, floor to floor 3 m | 20 mm |
| A car 4.5 m | 30 mm |
| A bus 12 m | 80 mm |
| A 10-storey building 32 m | 21.3 cm |
| A football pitch 105 m | 70 cm |
| 100 metres 100 m | 66.7 cm |
| 1 mm on the model | 15 cm |
|---|---|
| 1 cm on the model | 1.5 m |
| 5 cm on the model | 7.5 m |
| 10 cm on the model | 15 m |
| 30 cm on the model | 45 m |
| 50 cm on the model | 75 m |
| 1 m on the model | 150 m |
At 1:150
What is modelled
Windows read as frames and balconies as slabs; brick becomes surface texture. Cars and trees are still recognisable models.
What it is used for
Mid-size public buildings such as schools, courthouses and offices, with their forecourts.
In the archive
The archive holds 2 models at 1:150, among them Courthouse Accra and Guwahati.
The same person
at every scale
Built at 1:150
Models from the archive at this scale, cut, assembled and painted by hand.
Every scale
On 1:150
How big is a person at 1:150 scale?
A person 1.75 m tall is 11.7 mm at 1:150. A child of 1.2 m is 8 mm and a standard door of 2.1 m is 14 mm.
How do I convert 1:150 to real size?
Multiply by 150. One millimetre on the model is 15 cm in reality and one centimetre is 1.5 m. To go the other way, divide the real size by 150: a 3 m storey becomes 20 mm.
What is 1:150 scale used for?
Mid-size public buildings such as schools, courthouses and offices, with their forecourts. Windows read as frames and balconies as slabs; brick becomes surface texture. Cars and trees are still recognisable models.
How big would my building be at 1:150?
A building 20 m wide, 12 m deep and 15 m tall is 13.3 × 8 × 10 cm at 1:150. The scale calculator works it out for any building at every scale at once.
Your building, at 1:150, built by hand.
