Настройки
Линейка (cm)
Текущий DPI: 96 | 1 cm = 37.80 пикселей
Справочные объекты
US Quarter (24.26mm)
1 inch square
USB-A (12mm width)
About Scale Calculator
Whether you are building a model, reading a map, or drafting architectural plans, converting measurements between different scales is essential. Our free online Scale Calculator makes it easy to find the real-world size or the scaled size instantly.
How It Works
The tool uses simple ratio mathematics. You input the scale ratio (e.g., 1:50) and either the real size or the scaled size. The calculator multiplies or divides by the scale factor to determine the missing value.
Common Use Cases
- Determining the actual size of a room based on an architectural floor plan
- Calculating the required size for a 3D printed model based on a real-world object
- Finding the real-world distance between two cities on a map
- Scaling down dimensions for hobbyist model trains or airplanes
Frequently Asked Questions
It means that 1 unit of measurement on the model or drawing represents 100 of the same units in the real world. For example, 1 cm on the drawing equals 100 cm (or 1 meter) in reality.
Yes, the calculator allows you to input measurements in one unit (like inches) and see the result in another unit (like feet or meters).