Light bulb Size Chart: Types and Dimension guide
The light source and light appearance are important to ensure perfect light output in your living room. That is the reason why you need our light bulb size chart and series guide, as it is designed specifically just for you. Display lights need to illuminate your home while providing warmth.
In fact, there are different types of lighting such as track lighting, night lights, landscape lighting, decorative lighting, garden lighting, residential lighting, hard-edged lighting, and more.
Light Bulb Size Chart and Series
We need to understand that the light bulb series shows the shape and there is a number code that shows the light bulb diameter in 1/8th inch and millimeters (mm). The type of bulb is the determinant. Our size charts will be organized via a variety of sizes, bases, type of light, and intended use.
Light Bulb Size Chart
|BULB||CODE||DIAMETER IN (Inches and mm)||LENGTHS IN (inches and mm)|
|A Series||A19 (US) or A6 (UK)||60 mm 2.4 inches||3.9 – 4.3 inches (99.06 – 110 mm)|
|B Series||B10||31.75 mm 1.3 inches||3.5 – 4.4 inches (90 -113 mm)|
|C Series||C9||28.58 mm 1.1 inches||3.5 – 3.9 inches (90 – 100 mm)|
|CA Series||CA10||31.75 mm 1.3 inches||3.5 – 3.9 inches (90 – 100 mm)|
|R Series||R50||159 mm 6.3 inches||3.4 inches (86 – 87 mm)|
|R Series||R63||200 mm 7.9 inches||3.9 – 4.0 inches (100 – 102 mm)|
|R/BR Series||R80||254 mm 10 inches||4.4 – 4.8 inches (112 – 118 mm)|
|PAR Series||PAR16||50.8 mm 2 inches||2.0 – 2.2 inches (50 – 55 mm)|
|PAR Series||PAR20||63.5 mm 2.5 inches||2.5 – 8.9 inches(64 -89 mm)|
|AR Series||PAR36||111 mm 4.4 inches||2.3 – 2.6 inches (58 – 66 mm)|
|PAR Series||PAR36||120.65 mm 4.8 inches||5.3 – 5.4 inches (134 – 136 mm)|
|MR Series||MR11||35 mm 1.4 inches||1.5 – 1.7 inches (37 42 mm)|
|MR Series||MR16||50.8 mm 2 inches||1.8 – 2.1 inches (45 – 53 mm)|
|G Series||G25 (US) or G80 (UK)||80 mm 3.2 inches||120 mm 4.7 inches|
|G Series||G30 (US) or G95 (UK)||95 mm 3.7 inches||140 mm 5.5 inches|
|G Series||G40 (US) or G125 (UK)||125 mm 4.9 inches||6.5 – 6.7 inches(165 – 170 mm)|
|T Series||T30||30 mm 1.2 inches||8.9 – 11.8 inches (225 – 300 mm)|
|T Series||T45||45 mm 1.8 inches||110 mm 4.3 inches|
|T Series||T5||16 mm 0.6 inches||12.0 – 57.6 inches (305 -1463 mm)|
|T Series||T8||26 mm 1.0 inches||13.0 – 48.0 inches (330 – 1220 mm)|
Let us have a look at the wide variety of series types.
They can be called Standard bulbs, general lamp service (GLS), or arbitrary and the typical use is at home. The A-Series bulbs are used as kitchen lamps, porch lamps, ceiling lamps, floor and table lamps, and reading lamps.
Anyone out there always imagines purchasing A Series bulbs due to their shape and smart bulbs. The bulbs are used with base types screw (E27, E14) or bayonet (B22) and have a wide range of uses.
A Series Light Bulbs
LED Filament Bulbs
|A19 or A60 Light Bulb Size Chart|
|Common Lengths in inches and mm||3.9 – 4.3 inches (100 – 110 mm)|
|Diameter in mm and inches||60 mm (2.3622 inches)|
|Light bulb code||A19 (US) or A60 (UK)|
|Diameter 1/8th inch||2 3/8″ (10 / 8 diameter)|
We start by understanding what the B/C/CA series stands for:
B – Blunt
C – Conical or Candle
CA – Candle Angular
They usually produce light similar to the candle flames., however, they are smaller in size compared to other types of bulbs. They come in different shapes, for example, CA is similar to candle flames with a curved tip, C and B are stylized and blunted. They are commonly used for holiday lighting, artificial candles, chandeliers, decorative events, and night lighting.
Some common types of B, C, and CA include E27, B22, B15, SES14, and CES12.
|Common B, C, and CA|
|Light Bulb Code||B10||C9||CA10|
|Common Lengths in mm and inches||90 – 113 mm 3.5 – 4.4 inches||90-100 mm 3.5 – 3.9 inches||110-130 mm 4.3 – 5.1 inches|
|Diameter in mm and inches||31.75 mm 1.3 inches||28.58 mm 1.1 inches||31.75 mm 1.3 inches|
|Diameter in 1/8th inch||10/8 (1 1/4″)||9/8 (1 1/8″)||10/8 (1 1/4″)|
R and BR Series
Let us start by understanding what R and BR series stands for:
R – Reflector
BR – Bulged Reflector
They are commonly used as security lights, track lights, display lights, or recessed lights.
They produce a wide beam angle ideal for residential and commercial settings.
|Common R/BR Series|
|Light Bulb Code||R50||R63||R80|
|Common Lengths in mm and inches||86 – 87 mm 3.4 inches||100 – 102 mm 3.9 – 4.0 inches||112 – 118 mm 4.4 – 4.6 inches|
|Diameter in mm and inches||159 mm 6.3 inches||200 mm 7.9 inches||254 mm 10 inches|
|Diameter in 1/8th inch||50/8 (6 1/4″)||63/8 (7.86″)||80/8 (10″)|
MR stands for Multifaceted Reflector are larger compared to the other types of light bulbs we have discussed above. They have a multi-faceted reflective lining. Their base typesGU4, GX5.3, and GU10.
The fact that they are multi-faceted makes them produce directional beams of light. They also emit narrow or wide spotlights.
They are commonly used for landscape lighting, desk lamps, track lighting, display cases, and recessed lighting.
|Common MR Series Bulbs Size Chart|
|Light bulb code||MR11||MR11|
|Common Lengths in mm and inches||50 – 55 mm 2.0 – 2.2 inches||64 – 89 mm 2.5 – 8.9 inches|
|Diameter in mm and inches||50.8 mm 2 inches||63.5 mm 2.5 inches|
|Diameter in 1/8th inch||16/8 (2”)||20/8 (2.5”)|
G series simply means Globe series bulbs. They come in a wide range of sizes and are mostly spherical. There are small G series bulbs with enclosed fixtures. The Large G has carbon or LED filaments which makes them look appealing to the eye. They can fit in different settings such as pendant lamps, vanities, small enclosed fixtures, decorative fixtures, and chandeliers.
|Common G Series Bulbs Size Chart|
|Light bulb code||G25 (US) or G80 (UK)||G30 (US) or G95 (UK)|
|Common Lengths in mm and inches||120 mm 4.7 inches||140 mm 5.5 inches|
|Diameter in mm and inches||80 mm 3.1 inches||95 mm 3.7 inches|
|Diameter in 1/8th inch||25/8 (3.14”)||30/8 (3.70”)|
T Series stands for Tube or Tubular bulbs and comes in a wide range of sizes and shapes. The fluorescent tubes are similar to test tubes. Their base types include G13, G5, E12, and E27. They are mostly used for garage lighting, pendant lamps, chandeliers, warehouse lighting, sconces, and chandeliers.
|Common T Bulb Size Chart|
|Light Bulb Code||T30||T45|
|Common Lengths in mm and inches||225 – 300 mm 8.9 – 11.8 inches||110 mm 4.3 inches|
|Diameter in mm and inches||30 mm 1.2 inches||45 mm 1.8 inches|
|Diameter in 1/8th inch||(1.18”)||(1.77”)|
AR and PAR Series
Let’s start by understanding what AR and PAR series stands for:
AR – Aluminum-faceted Reflectors
PAR – Parabolic Aluminized Reflectors
The range base types of AR and PAR series include B22, E27, E14, G53, G12, and GU10 hence ideal for commercial and residential settings. They are mostly used as architectural and landscaping lights, recessed lights, decorative floodlights, track lights, and security lights.
AR and PAR series have reflective materials and are shorter compared to R and BR making them fit for light fixtures.
|Common AR and PAR Series|
|Light Bulb Code||PAR16||PAR20|
|Common Lengths in mm and inches||50 – 55 mm 2.0 – 2.2 inches||64 – 89 mm 2.5 – 3.5 inches|
|Diameter in mm and inches||50.8 mm 2 inches||63.5 mm 2.5 inches|
|Diameter in 1/8th inch||16/8 (2″)||20/8 (2.5″)|
Light Bulb Size Explained (video)
Conclusion on light bulb size charts
As a matter of fact, having an illuminating bulb in your living room could be fun and aesthetic. There are different types of lighting as we have discussed in this light bulbs size chart guide. You will discover that different lightings or bulbs serve different purposes and comes along in different shapes and sizes.
Choosing the right bulb is upon you based on the purpose intended. You also need to ensure that the quality is great and perfect.
If you enjoyed reading this sizing guide, please don’t hesitate to leave a comment below!
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