1:24 Scale Calculator & Conversion Chart
Model car standard · 4.17% of real size
1:24 is the default scale for plastic car model kits (with 1:25 as its near-identical American cousin — the two are close enough that parts and accessories often mix). Garage dioramas, figures, and aftermarket wheels are widely available in this size.
Precision Scale Conversion Calculator
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1:24 Scale Quick Facts
- 1 real foot = 0.5″ (12.7 mm) on the model
- 1 real meter = 41.67 mm on the model
- A 6 ft (183 cm) person = 76.2 mm (3″) tall
- Model is 4.17% of real size — use this as the scale percentage in 3D-print slicers
1:24 Scale Reference Chart
| Real Size | mm | cm | inches |
|---|---|---|---|
| 1 inch | 1.1 mm | 0.106 cm | 0.042″ |
| 1 foot | 12.7 mm | 1.27 cm | 0.5″ |
| 6 ft (person) | 76.2 mm | 7.62 cm | 3″ |
| 1 meter | 41.7 mm | 4.17 cm | 1.64″ |
| 3 m (room height) | 125 mm | 12.5 cm | 4.921″ |
| 10 meters | 416.7 mm | 41.67 cm | 16.404″ |
| 30 m (building) | 1250 mm | 125 cm | 49.213″ |
Frequently Asked Questions
What is 1:24 scale in mm, cm, and inches?
In 1:24 Scale, 1 unit on the model equals 24 of the same unit in real life. One real foot equals 0.5 inches (12.7 mm) on the model, one real meter equals 41.67 mm (4.17 cm), and the model is 4.17% of real size.
How tall is a 6 ft person in 1:24 Scale?
A 6-foot (183 cm) person stands 76.2 mm (3 inches) tall in 1:24 Scale.
How do I convert a real measurement to 1:24 Scale?
Divide the real measurement by 24. For example, a 10 m object is 416.7 mm long in 1:24 Scale. The calculator on this page does this automatically in both directions.