1:64 Scale Calculator & Conversion Chart

Hot Wheels / S scale · 1.56% of real size

1:64 is the nominal scale of Hot Wheels and Matchbox cars and of S gauge railroading. "Nominal" matters: toy cars in this scale often cheat their proportions to fit standard packaging, so measure the real casting before scaling accessories for it.

Precision Scale Conversion Calculator

Real World Size

Scale (1 : N)

Scaled Size

1:64 Scale Quick Facts

1 real foot = 0.188″ (4.76 mm) on the model
1 real meter = 15.63 mm on the model
A 6 ft (183 cm) person = 28.6 mm (1.13″) tall
Model is 1.56% of real size — use this as the scale percentage in 3D-print slicers

1:64 Scale Reference Chart

Real Size	mm	cm	inches
1 inch	0.397 mm	0.04 cm	0.016″
1 foot	4.8 mm	0.476 cm	0.188″
6 ft (person)	28.6 mm	2.86 cm	1.125″
1 meter	15.6 mm	1.56 cm	0.615″
3 m (room height)	46.9 mm	4.69 cm	1.845″
10 meters	156.3 mm	15.63 cm	6.152″
30 m (building)	468.8 mm	46.88 cm	18.455″

Frequently Asked Questions

What is 1:64 scale in mm, cm, and inches?

In 1:64 Scale, 1 unit on the model equals 64 of the same unit in real life. One real foot equals 0.188 inches (4.76 mm) on the model, one real meter equals 15.63 mm (1.56 cm), and the model is 1.56% of real size.

How tall is a 6 ft person in 1:64 Scale?

A 6-foot (183 cm) person stands 28.6 mm (1.13 inches) tall in 1:64 Scale.

How do I convert a real measurement to 1:64 Scale?

Divide the real measurement by 64. For example, a 10 m object is 156.3 mm long in 1:64 Scale. The calculator on this page does this automatically in both directions.