How to Determine Window Tint Percentage? All You Need To Know

Determining window tint percentage is a responsibility of every driver, especially since it is a legal requirement. At present, there are certain methods to find out the exact percentage of window tint, and let us reveal them to you. In case you do not even have an idea about the window tint percentage, this discussion will provide you with a clear insight. So, let’s begin!

What Does the Tint Percentage Represent? 

The percentage of window tint, known as Visible Light Transmission (VLT), represents how much light passes through your car’s windows. It’s a key factor in balancing safety, comfort, privacy, and style.

Here is why you should maintain the correct percentage of VLT. 

• Safety: A lower VLT percentage means a darker tint, which can reduce visibility, particularly at night or in foggy conditions. Most states/countries set legal VLT limits to ensure drivers have sufficient visibility for safe driving. It’s important to remember that exceeding legal VLT limits can lead to fines and even impounded vehicles. We recommend choosing a tint that provides safety along with other benefits.
• Heat Rejection: Darker tints typically block more of the sun’s heat, making your car’s interior cooler and more comfortable. From what we’ve seen, a tint with a lower VLT percentage can significantly reduce the heat inside your car, making those hot summer days more bearable.
• Privacy and Protection: Tinted windows offer privacy by making it harder for people to see inside your car. This not only protects your personal space but also helps keep valuables out of sight. Moreover, it contributes to enhancing the vehicle’s aesthetic appeal. 

Hence, choosing the right VLT percentage is about finding a balance between legal requirements, visibility, heat rejection, privacy, and aesthetics. We recommend considering all these factors to select a tint that fits your needs and preferences.

How to Determine Window Tint Percentage?

In order to determine the window tint percentage, there are several methods you can choose from, each with its own level of precision and convenience.

1. Using a Professional Tint Meter

The Gold Standard for Accuracy

From what we’ve seen, a professional tint meter is the most reliable way to measure the Visible Light Transmission (VLT) percentage of your tint. These handheld devices give you an exact reading, which is why they’re the go-to choice for tint shops and professionals.

Getting a Professional Measurement

If you currently do not have a meter, you can usually pay a small fee to have a tint shop or a mobile service measure your tint. This is a great option if you need a precise measurement for legal compliance or quality assurance.

2. Trying DIY Light Transmission Meter Apps

A Convenient But Less Precise Option

Several smartphone apps claim to estimate the VLT by analyzing the brightness of light passing through the tint. While these apps offer a convenient and low-cost way to get a rough estimate, their accuracy can vary significantly, so make sure to choose a reliable one.

When to Use Apps

We suggest using these apps if you’re looking for a quick estimate and don’t need the precision of a professional meter. The reason why, they might not be 100% reliable for legal or detailed assessments.

3. Using Comparison Charts and Visualization

The Most Accessible Method

Comparing your tint to pre-printed charts or online visuals showing different VLT percentages is a simple and tool-free method. It’s less accurate but can give you a general idea of your tint level, especially if it’s significantly dark.

Keep in mind that different tint films, like ceramic or metallic, can affect light transmission. Also, factory tinting on certain windows might alter the overall VLT percentage. And be aware of your state’s legal VLT limits to avoid fines or penalties. Always ensure your tint complies with these regulations for safety and legal compliance.

Standard window tint percentage range 

There’s no one-size-fits-all answer for the standard window tint percentage range. It varies based on individual needs and local laws.

The following guide will lead you to identify the right VLT range. 

It’s crucial to consider legal Visible Light Transmission (VLT) limits, which are usually around 35% for windshields and 70% for side windows.

Staying within these limits ensures safe visibility, especially under low-light conditions.

Going darker can not only be unsafe but also run the risk of legal issues.

Darker tints, in the range of 20% to 35%, are effective at blocking out heat and glare.

This can make your car’s interior more comfortable, especially during sunny days. However, we recommend being cautious with darker tints as they might impair your ability to see clearly at night and violate rules. 

For those prioritizing privacy, very dark tints (between 5% and 15%) can be appealing.

They provide a high level of seclusion, keeping prying eyes away. But as per our experience, such dark tints can significantly reduce visibility, which can be dangerous and is often illegal in many areas.

Each state has its own set of rules regarding window tint percentages. So, you are advised to check your state’s regulations before applying any tint to avoid fines or legal complications. 

In conclusion, choosing the right window tint percentage is a personal decision that should align with your priorities for safety, comfort, and privacy while staying within the legal limits set by your state.