Free collector tools

Measure first.
Buy once.

Turn verified full-size dimensions into practical model, shelf and display-case decisions. Nothing is hidden behind an email form.

Aircraft scale model size calculator

Choose an aircraft and scale to calculate its body dimensions and a suggested display-case allowance.

Open free tool 02

Enter the space you actually have and compare how many large aircraft fit at 1:200, 1:400 and 1:500.