How bright is 900 lumens? Just what is that level of light good for? We give you real life applications and comparisons to help you understand what levels of brightness certain quantities of lumens will deliver.
Table of Contents
A Lumen is a measure of the total amount of light emitted from a source.
900 lumens means the light has the intensity of 900 lumens of light.
When you are looking for how bright a certain light bulb will be, whether it is LED, CFL or incandescent – the number of lumens is what you need to use as your comparison.
Lumens is the unit measurement of brightness, with 1 lumen equalling the brightness of 1 candle, so 900 lumens has the brightness of 900 candles.
900 Lumens is a strong level of light for LED, CFL or incandescent lighting. It’s suitable for recessed lighting, downlighting, up lighting and within pendants and track spotlights.
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The brightness of an 900 lumen flashlight is very good in it’s class and will provide a far reaching beam of light as all the illumination is focused and directed forwards and efficiently with LED and by it’s design.
The brightness of an 900 lumen torch (UK for flashlight) is the power of light of 900 candles. This level is regarded as a very bright level of torch suitable for most outdoor tasks. The throw of light can be up to a 100m distance.
The brightness of a 900 lumen bike light is a a very bright level of cycle headlight. You will always see where you are going with that amount of light concentrated through it’s focused beam angle.
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To compare how much light you get with different lumens levels, imagine a one by one meter room. If the room has a light bulb which emits 900 lumens then it can illuminate that area to roughly 90 lux (depending on the reflectivity of surfaces in the room, more light is reflected off of whiter colored surfaces).
LED light is directional and very efficiently delivers light compared to other lighting sources. This amount of light is distributed with minimal wastage and creates a brighter intensity on a surface than 900 lumens from other technologies.
The wider the beam angle of light, the less intense the light will be and therefore feel less bright. The narrower the beam the more concentrated the light will be and the brighter it will feel.
LED light when a cool white color temperatures of 4000K to 6500K will feel brighter with the same amount of light when compared to the warmer yellowish tones of 2700K soft white and 3000K warm white.
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For an average-sized room in your home, anything up to around 900 lumens is not going to feel overly bright. If you are looking for a brighter light then it will be necessary to consider more than one bulb or lamp which would give the equivalent of 900 lumens brightness.
More in depth lighting investigation can be found on How Much Lighting Do I Need for A Room?
For reading purposes a light of around 900 lumens directly onto a page would be too bright. However this will depend on how far away the light source is from the book. If in an adjacent table light or localized wall light, then this level would be acceptable for reading without glare.
[table “800lmHeadTorch” not found /]A 900 lumen headlamp is very bright for outdoor activities such as camping, trekking, hiking and night walking with a penetrating throw of light it will suit most outdoor applications or repair work in dark conditions.
A 900 lumen security light is bright and will easily illuminate the areas around your home. It’s a good option for lighting up where you need it most, however, it is still amongst the lowest light outputs for an LED security floodlight.
A 900 lumen solar spotlight is a very bright light that can be used for accent lighting, garden lighting and security lighting. The solar panel will recharge the batteries during the day to provide power for the LED light at night.
The brightness of a 900 lumen LED bulb is very bright and suitable for most home lighting applications. This level is towards one of the brightest outputs you can get from a non-specialist LED light source.
A 900 lumen LED strip is around a 10W/m 60 LED strip on a reel of 5 meters. Suitable for accent lighting, task lighting, and contributing to general ambient lighting.
A 900 lumen LED downlight is bright enough for most home or office lighting applications and is regarded as a very good recessed ceiling light output, providing an intense beam of light.
To know how bright is 900 lumens in watts, the efficiency of the light source has to be considered.
The efficiency of light bulbs is measured in lumens per watt. So, an LED light bulb saves you around 80% in energy consumption compared to an incandescent light bulb.
Useful comparative measurements often asked:
Lux can only be measured by knowing the distance and the area the lumens have to travel to.
900 lumens is 900 candles.
A degree of kelvin is the unit of measurement for color temperature, therefore there is no direct comparison with kelvin to lumen. However, an impression of brightness will increase with a high degree of kelvin as the light seems colder and brighter to the viewer.
Lumens and Candela. Lumens is the total amount of light from a fixture. Candela is how much of that light from a fixture shines in one direction. So 900 lm would be less than 900 candela with the candela only quantified if the angle of beam width is known.
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