Fire Button Size Calculator

Determine the perfect Fire Button Size percentage and custom HUD placement coordinates based on your phone display screen size.

Custom HUD Fire Button Size Estimator

Calculate optimal fire button percentage for smooth drag shots

Optimal Fire Button Placement for Drag Headshots

In Free Fire, setting your fire button size between 40% and 46% at the lower third of your screen ensures maximum vertical swipe space for your thumb. Smaller fire buttons provide more thumb drag distance, while larger fire buttons offer better touch accuracy.