Understanding 1:48 Scale
The 1:48 scale is a proportional ratio where every 1 unit of measurement on your drawing, model, or plan represents exactly 48 of those same units in the real world. This makes 1:48 a large-scale representation, meaning objects appear relatively large on paper.
For example, 1 mm on a 1:48 drawing represents 48 mm (4.8 cm) in reality. Conversely, a real-world measurement of 1 meter would appear as 20.8 mm on a 1:48 scale drawing.
1:48 Scale Quick Reference Table
Common conversions at 1:48 scale for quick reference.
| Real World | On Drawing (1:48) | Imperial Equivalent |
|---|---|---|
| 0.5 m | 10.4 mm | 10.42 thou |
| 1 m | 20.8 mm | 20.83 thou |
| 2 m | 41.7 mm | 1.64″ |
| 5 m | 104.2 mm | 4.10″ |
| 10 m | 208.3 mm | 8.20″ |
| 25 m | 520.8 mm | 20.51″ |
| 50 m | 1041.7 mm | 41.01″ |
| 100 m | 2083.3 mm | 82.02″ |
When to Use 1:48 Scale
The 1:48 scale is a standard in model & miniature work. Here are the most common applications:
- Aircraft models
- O scale model railways
- Quarter-inch dollhouses
How to Convert 1:48 Scale Step by Step
- 1Identify the scale ratio. You are working with 1:48, which means the drawing is 48× smaller than reality.
- 2Real → Scaled: Divide the real measurement by 48. Example: 500 mm = 10.4 mm on paper.
- 3Scaled → Real: Multiply the drawing measurement by 48. Example: 20 mm on drawing = 960 mm (0.96 m) in reality.
1:48 Scale FAQ
- What does 1:48 scale mean?
- A 1:48 scale means that 1 unit on your drawing or model represents 48 of the same units in real life. For example, 1 mm on a 1:48 drawing equals 48 mm in reality.
- How do I convert real measurements to 1:48 scale?
- To convert a real-world measurement to 1:48 scale, divide the real measurement by 48. For instance, a real wall that is 500 mm long would be drawn as 10.4 mm on a 1:48 drawing.
- How do I convert 1:48 scale back to real size?
- Multiply the measurement on your 1:48 drawing by 48 to get the real-world size. If something measures 20 mm on your drawing, the real size is 960 mm (0.96 m).
- What is 1:48 scale used for?
- The 1:48 scale is commonly used in model & miniature applications. It is ideal for representing objects and spaces at a manageable size while maintaining proportional accuracy.
- Is 1:48 scale metric or imperial?
- Scale ratios like 1:48 are unit-independent — they work with any measurement system. Whether you measure in millimeters, centimeters, inches, or feet, the ratio remains the same: 1 unit on paper equals 48 units in reality.
Popular 1:48 Conversions
Quick links to specific unit conversions at 1:48 scale.