What does scale 1:200 mean?
Scale 1:200 is a ratio where the first number is the size on the drawing and the second number is the size in the real world. One unit on the plan stands for 200 of the same units in reality, so one inch on paper equals 200 inches — that is 16 feet 8 inches — at full size.
This scale is a step down from 1:100. It trades fine detail for reach, which makes it the right choice when a single building is too small to matter and you need the whole site on one sheet. A large building, a block of structures or a full property fits on the page while roads, parking and setbacks stay readable.
If you usually work in US drafting scales, the closest common equivalent is 1/16 inch = 1 foot, which is 1:192. The two are near enough that a 1:200 drawing reads almost the same on the page, with the advantage that the math stays simple.
The scale factor is 0.005, or 1/200. To convert by hand, divide the real length by 200 to get the drawing length, or multiply the drawing length by 200 to get the real size. The math works in any unit as long as both sides use the same one.
Where is scale 1:200 used?
Scale 1:200 is the go-to scale when you need to show a large area at a size that still prints on one sheet:
- Site plans — building footprints, driveways, parking and landscaping laid out across a full lot.
- Master plans — campus, industrial or development layouts that cover several buildings at once.
- Survey drawings — property surveys and land measurements where the whole parcel needs to fit on the page.
- Large buildings — warehouses, schools and commercial blocks that are too big for a clean 1:100 plan.
- Urban planning — street and district layouts that show how lots and roads connect.
Examples of scale 1:200 in practice
A few real numbers make the scale easier to picture:
- Lot frontage — a 200 ft property line comes out at exactly 12 in, or 1 foot, on the drawing.
- Building width — a 100 ft wide building scales to 6 in across on the plan.
- Parking aisle — a 24 ft drive aisle is about 1.4 in wide at 1:200.
- Site depth — a 300 ft deep lot becomes 18 in on paper, an inch and a half per hundred feet.
- Whole block — a 500 ft block face works out to 30 in, or 2 ft 6 in, on the drawing.