15mm (1:100) Calculator & Conversion Chart

Mass-battle scale · 1% of real size

15mm is the mass-battle wargaming size — Flames of War made it the standard for WWII company-level games. At 1:100 a tank platoon fits in one hand, and it shares its ratio with architectural models, so building kits cross over nicely.

Precision Scale Conversion Calculator

Real World Size

Scale (1 : N)

Scaled Size

15mm (1:100) Quick Facts

1 real foot = 0.12″ (3.05 mm) on the model
1 real meter = 10 mm on the model
A 6 ft (183 cm) person = 18.3 mm (0.72″) tall
Model is 1% of real size — use this as the scale percentage in 3D-print slicers

15mm (1:100) Reference Chart

Real Size	mm	cm	inches
1 inch	0.254 mm	0.025 cm	0.01″
1 foot	3 mm	0.305 cm	0.12″
6 ft (person)	18.3 mm	1.83 cm	0.72″
1 meter	10 mm	1 cm	0.394″
3 m (room height)	30 mm	3 cm	1.181″
10 meters	100 mm	10 cm	3.937″
30 m (building)	300 mm	30 cm	11.811″

Frequently Asked Questions

What is 15mm (1:100) scale in mm, cm, and inches?

In 15mm (1:100), 1 unit on the model equals 100 of the same unit in real life. One real foot equals 0.12 inches (3.05 mm) on the model, one real meter equals 10 mm (1.00 cm), and the model is 1% of real size.

How tall is a 6 ft person in 15mm (1:100)?

A 6-foot (183 cm) person stands 18.3 mm (0.72 inches) tall in 15mm (1:100).

How do I convert a real measurement to 15mm (1:100)?

Divide the real measurement by 100. For example, a 10 m object is 100.0 mm long in 15mm (1:100). The calculator on this page does this automatically in both directions.