How many lumens are in a car headlight? The question might come to mind when shopping for a new car headlight or considering a headlight bulb upgrade. You’ve likely noticed other driver with very bright car headlights, some even blinding oncoming traffic, while others have dim lights.
Generally speaking, the lumen values of car headlights vary by type and brand. It can be a halogen, LED, and Xenon. Each type has its lumen rating, which also differs from one model to the next.
The lumen rating determines the amount of space a headlight illuminates. Most halogen headlights range between 700 and 1,200 lumens, while high-intensity discharge (HID) headlights range between 3,200 and 3,500 lumens. LED headlights produce the highest lumen output of all headlight styles, ranging from 3,000 to 6,000 lumens per light.
Continue reading for detailed information about car headlight lumens, including the legal limit for all headlight types.
What is a Lumen of Car Headlight?
As a car owner, you’ve likely considered your headlights and noticed that their brightness is often measured in “lumens.”
But what do these numbers mean, and why are they important when buying a new set of headlights?
The truth is, knowing the lumens of your headlights is crucial if you want to upgrade to aftermarket parts or replace your stock headlight bulbs.
A lumen measures how much light is emitted over a surrounding area, with one lumen roughly equivalent to the light provided by a single candle.
Cars with lower lumen ratings illuminate a smaller area, while those with higher lumen outputs light up a longer distance.
In simple terms, lumens measure a headlight bulb’s total brightness and its ability to project light over a certain distance. The higher the lumens a bulb produces, the greater the distance the light can be projected.
How To Measure Lumen Output of Car Headlight?
Lux Meter
To test the lumen output of an LED headlight bulb using a lux meter, start by setting up a dark room to minimize ambient light, ensuring non-reflective surfaces to avoid interference. Secure the LED headlight bulb in a stable fixture at a fixed height and orientation, similar to its actual installation in a vehicle.
Position the lux meter directly in front of the bulb at a standard distance, typically 5-10 meter, with the sensor facing the light source. Turn on the LED headlight bulb, allowing it to reach full brightness, then record the lux reading from the lux meter.
Integrating Sphere
Using an integrating sphere to test the lumen output of an LED headlight bulb involves a more professional approach widely adopted by automotive lighting manufacturers due to its accuracy.
An integrating sphere, which is a hollow spherical device coated with a diffuse white reflective coating inside, uniformly scatters light entering it. To begin the process, the LED headlight bulb is placed inside or directed into the sphere through an opening.
The light emitted by the bulb is diffused evenly within the sphere, ensuring a uniform distribution of light.
Typical Halogen Bulbs Emit Around 700 - 1200 Lumen
Halogen headlights are found on about 80% of cars on the road today, making them the most common type. They are cheap to manufacture, easy to replace, and provide a bright, comfortable yellow-white light.
The first halogen headlight bulb, the H1, was introduced in 1962 by a European consortium. It was a 55W lamp producing 1500 lumens, brighter and longer-lasting than previous headlights, and featured a high beam setting for the first time. After that, halogen headlights became popular first in Europe and then in the United States.
When it comes to the power of halogen headlight bulb, the original halogen bulbs typically have a power rating of 12V/55W or 12V/60W and must comply with automotive inspection regulations, meaning the wattage should not exceed 66/55W.
But, how many lumen is the halogen bulb? halogen car headlights have the fewest lumens compared to LED and HID headlight. They emit about 700 lumens in the low beam and about 1,200 lumens in the high beam, but you can find some high-end halogen bulbs light up to 1,500 lumens, which consume more energy. They last between 450 and 1000 hours.
Additionally, the color temperature of car headlight bulb is an important factor to consider. Original halogen bulb have a color temperature rating of 3000K. In terms of visual effects, yellow light offers better penetration, while white light is more comfortable.
Features of Halogen Headlamp
- Affordable and Widely Available: Halogen bulbs are inexpensive to produce and easy to replace, making them a common choice for many vehicles.
- Warm Yellow Light Output: They emit a warm, yellowish light with a color temperature around 3000K, providing decent visibility in fog, rain, and snow.
- High Heat Production: Halogen bulbs generate significant heat, leading to energy loss compared to LED or HID options.
- Shorter Lifespan: They typically last between 500 to 1,000 hours, much shorter than LED and HID bulbs.
Typical HID Headlight Emits Around 3200 - 3500 Lumens
HID (high-intensity discharge) headlights function similarly to fluorescent bulbs found in offices. Commonly known as xenon headlights, HIDs are brighter, whiter, and more efficient than halogens.
First introduced on BMWs in the 1990s, xenon lights are now commonly seen on luxury vehicles. They operate by passing electricity through xenon gas within a cylinder, producing a bright white light. HIDs are frequently used as running lights because they are more visible in daylight than halogens.
However, HID bulbs are not perfectly efficient at converting electrical energy into light, as they generate significant heat during the process. If an HID bulb operates at 50% efficiency and consumes 30 watts, only 15 watts are converted to light while the remaining 15 watts are lost as heat.
Most factory OEM HID bulbs are designed for 35W, providing a lumens ranging from 3200 to 3500 lumens, which is a over double the brightness of a factory halogen bulb.
Features of HID Headlamp
- HID produce more light with better visibility than halogen headlight
- HID headlight can be designed with a greater selection of colors
- HID headlight produce a cleaner light than halogen
- Popular among luxury cars and custom import vehicles
Most LED Headlights Range From 3,000 - 6,000 Lumens
Among all the headlight available, LED headlights use a unique process to generate light. In an LED headlamp, negative electrons interact with holes in a semiconductor to create a light-emitting diode, which gives the light its name. When an electron fills a low-energy hole, it releases a photon. This phenomenon, known as electroluminescence, occurs thousands of times per second, producing LED light.
So, how many lumen do an LED headlight bulb have? The lumen value of LED headlight bulb varies depending to power and different brands. However, most LED headlight bulbs on the market range from 3000 to 6000 lumens per bulb.
Like HIDs, LED headlights require minimal power to operate. An LED bulb powers on instantly at full brightness without flickering or needing warm-up time. Unlike HIDs, LED lights don’t need to gradually reach their maximum brightness. The moment you turn them on in an LED-equipped vehicle, they immediately shine at full intensity, whether you’re driving through a tunnel during the day or cruising a country road at night.
Features of LED Headlight Bulb
- Energy efficiency, they consume less power to generate more brightness
- Long lifespan, they often lasting up to 30,000 hours or more
- LED bulb reach full brightness without any warm-up time
- LED headlights are more resistant to shocks and vibrations
How Many Lumens Is Legal for Halogen/Xenon/LED Headlights?
Currently, the United States is one of the last countries to adopt new headlight technology. Fortunately, the latest regulations will update our lighting standards and align them with global practices.
In the United States, headlights are regulated by various laws and regulations, which can vary by state. Some states have stricter wattage limits, while others regulate the color of headlights. Generally, states require that the front of your vehicle be equipped with headlights.
Most states limit the number of headlights you can have. For example, in New York, a motor vehicle must have two headlamps, either red or white. If you have more than two headlamps, you may need approval from the registering authority.
Regarding brightness, federal law requires headlights to be bright enough to illuminate the road ahead, but not exceed 32 candlepower. Additionally, the federal government mandates a white light on the rear of the vehicle for the registration number and red brake lights, as per DOT requirements.
Are 10,000+ Lumen Too Bright For Car Headlight?
Whether car LED headlights are too bright depends on their light pattern design. If the bulb produces a focused beam that illuminates the road without scattering light in unwanted directions, it won’t be too dazzling, even with a high lumen value. However, if the bulb causes glare and diffuses light towards oncoming drivers, it will be too bright, even with a lower lumen rating.
Additionally, the design of your car’s headlight assembly affects whether the LED bulb is too bright. Different headlight assemblies produce varying beam patterns and performance.
Therefore, it’s important to choose LED headlight bulbs that closely mimic your OEM halogen bulbs to ensure they produce a standard, non-glare beam pattern.
Reliable LED Car Lights You Can Trust
Equipped with six 70MIL power flip chips, NAOEVO NG LED headlight bulbs deliver an impressive brightness of 90W and 10,800 lumens per bulb. Recognizing the importance of road safety, NAOEVO focuses on developing light beam patterns that ensure optimal visibility for drivers.
The NG LED headlight bulbs are the culmination of years of research, featuring a 1:1 lighting position with halogen bulbs and a 1.5MM ultra-thin copper plate. This design replicates the lighting point of OEM halogen bulbs, providing an even, wide illumination without dark spots. This reduces glare for oncoming traffic and enhances road visibility and safety.
For efficient heat dissipation, NG LED headlight bulbs incorporate dual copper tubes that transfer 30W of heat each. Coupled with 6063 aluminum and a 10,000 RPM high-speed fan, these bulbs maintain consistent brightness without light decay, ensuring long-lasting performance.
The Elite is celebrated as the pioneering die-casting LED headlight bulb in NAOEVO’s lineup, allowing for the high-precision manufacturing of intricate shapes and designs. Customers will appreciate the delicate lion on the heat sink and the exquisite crown on the headlamp, making it a truly unique LED car light that stands out in the market.
Boasting exceptional brightness, the Elite LED headlight bulb is equipped with six 55MIL custom flip chips, delivering an impressive 70W and 8400 lumens per bulb, making it 300% brighter than halogen bulbs. This significant increase in brightness enhances visibility, allowing drivers to see obstacles sooner and react faster for safer nighttime driving.
Designed to match the 1:1 light position of OEM halogen bulbs, the Elite ensures a clear cut-off line beam pattern without shadows or dark spots, providing secure and reliable illumination for nighttime driving.
The Elite LED headlight bulbs are compatible with most vehicles on the market. They feature a 1:1 retainer holder and the same power plug as OEM halogen bulbs, making installation a breeze. With no bulky base or complex assembly, a simple twist ensures a perfect fit, offering a hassle-free, plug-and-play installation experience for drivers.
Conclusion
In conclusion, understanding the lumens in your car headlight is essential for optimal visibility and safety on the road. Higher lumens mean brighter headlights, enhancing your ability to see and react to obstacles at night. By choosing the right headlight bulbs, you can significantly improve your driving experience. Keep this quick guide handy to ensure your headlights provide the perfect balance of brightness and safety.
