What Do Window Tint Percentages Like 20% or 35% Actually Mean?
You're sitting in a shop, looking at a sample chart with numbers like 70%, 35%, and 5%, and someone asks which one you want. If your honest answer is "I have no idea, mate," you're in good company. Most people pick a shade based purely on how dark it looks on a sample card without understanding what the number actually measures, and that's how plenty of drivers end up with tint that's either too dark to be legal or too light to do much of anything useful.
The Number Is Light Getting In, Not Lig