1:350 Scale Calculator & Conversion Chart
Large warship scale · 0.286% of real size
1:350 is the enthusiast warship scale — big enough for photo-etched railings and individual gun barrels, small enough that a WWII battleship still fits a display case at around 75 cm. Most flagship ship kits are released in this scale first.
Precision Scale Conversion Calculator
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1:350 Scale Quick Facts
- 1 real foot = 0.034″ (0.87 mm) on the model
- 1 real meter = 2.86 mm on the model
- A 6 ft (183 cm) person = 5.2 mm (0.21″) tall
- Model is 0.286% of real size — use this as the scale percentage in 3D-print slicers
1:350 Scale Reference Chart
| Real Size | mm | cm | inches |
|---|---|---|---|
| 1 inch | 0.073 mm | 0.007 cm | 0.003″ |
| 1 foot | 0.871 mm | 0.087 cm | 0.034″ |
| 6 ft (person) | 5.2 mm | 0.523 cm | 0.206″ |
| 1 meter | 2.9 mm | 0.286 cm | 0.112″ |
| 3 m (room height) | 8.6 mm | 0.857 cm | 0.337″ |
| 10 meters | 28.6 mm | 2.86 cm | 1.125″ |
| 30 m (building) | 85.7 mm | 8.57 cm | 3.375″ |
Frequently Asked Questions
What is 1:350 scale in mm, cm, and inches?
In 1:350 Scale, 1 unit on the model equals 350 of the same unit in real life. One real foot equals 0.034 inches (0.87 mm) on the model, one real meter equals 2.86 mm (0.29 cm), and the model is 0.286% of real size.
How tall is a 6 ft person in 1:350 Scale?
A 6-foot (183 cm) person stands 5.2 mm (0.21 inches) tall in 1:350 Scale.
How do I convert a real measurement to 1:350 Scale?
Divide the real measurement by 350. For example, a 10 m object is 28.6 mm long in 1:350 Scale. The calculator on this page does this automatically in both directions.