E26 vs A19 – What’s the Difference

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E26 vs A19 – What’s the Difference

E26 vs A19 – What’s the Difference

What’s the difference between an A19 bulb and an E26 bulb? Can you tell? This is a guide that tells you everything about the difference between the two.


  • What is A19?
  • What is E26?
  • Are A19 Bulb and E26 Bulb the Same Bulb?
  • Recommended A19 and E26 Bulbs

What is A19?

The name A19 is made up of two parts: the first letter “A” and the two-digit number “19”. The letter “A” indicates the bulb’s overall shape, specifically, a classic bulb’s shape that is pretty much identical to an upside-down pear. An A19 bulb has a diameter of about 2.4 inches by definition, Simply put. The two digits “19” following the letter tells the diameter of the bulb’s widest point, which is measured in eighths of an inch.

A19 tells us about the bulb head and size, specifically, an A19 bulb is around 100-110 mm long and about 60 mm broad, roughly pear-shaped. Some countries decide to use the millimeter measurement for determining labels instead; they, therefore, refer to A19 as A60 bulbs.

What is E26?

Now that we know what A19 is, let’s get to E26 bulbs. E26 is probably the terms you hear about most when you shop for a light bulb. Indeed, it is the most commonly used type of bulb in the U.S, but what does the name really tells you? It also consists of two parts- “E”, referring to the “E” in Edison bulb, and the numerial “26”, indicating the bulb or diameter in millimeters, so “26” indicates 26 millimeters.

E26, also known as a Medium Edison Screw (MES), a standard lightbulb socket for electric light bulbs, refers not to a specific shape of a bulb, but the base of a light bulb, which allows for both electrical and mechanical contact. Therefore, it is important to know that E26 base can be applied to a wide range of bulbs and lamps.

In summary, E26 refers to the lamp base (which is the part that you screw to a light socket), and it does not provide you with any information about the shape of the bulb. As for the mounting method, an E26 has a screw of 26-millimeter diameters, with a variety of shapes and sizes.

Are A19 Bulb and E26 Bulb the Same Bulb?

Most people may think that A19 bulbs and E26 bulbs can be interchangeable. Are A19 bulb and E26 bulb the same bulb? The answer is yes, and no. How is that possible? This short guide will answer these questions so that you’ll finally know the differences and similarities between the two.

According to the ANSI standards for bulb manufacturers in the US, A19 bulbs, in the US, must certainly have E26 bases. The light bulb that most Americans have used in their homes is an A19 bulb with an E26 base.

That said, not all E26 bulbs are A19 bulbs. While A19 bulbs must utilize E26 bulb bases, it’s not true that all E26 bases must use A19 heads. In fact, they are two kinds of terminologies. That stated, an A19 bulb may be the same as an E26 bulb, and it may be different in some cases. This is to say, bulbs with E26 bases have the freedom to choose various shapes of bulb heads.

When shopping for light bulbs, chances are you may come across the terms A19 and E26. Be careful of this difference and make your shopping process easier!

Recommended A19 and E26 Bulbs

Now that we have seen the distinctions between A19 and E26, there are some recommendations for you to get the best bulbs that suit you need the best. So, if you are searching for one of them, you’ll know precisely what you should get.

Let’s begin with the market’s one of the greatest bulbs of E26. One of the most beautiful bulbs ever to locate is the Yeelight LED Smart Bulb W3(Multicolor). The color of the bulb can be customized through voice or app control. It is also brightness and color temperature adjustable. Unlike the conventional bulb that you may usually find at a local hardware shop, this bulb is environmentally friendly and energy saving, with an easy setup with built-in Wi-Fi. As for A19 bulbs, originally, A19 bulbs were produced using incandescent technology, but are now accessible as energy saving LED options. there are many bulbs of proven quality on the market, such as Philips Ambient Dimmable A19.


Now, you don’t have to be confused with terminology anymore since you are clear about the difference between an A19 bulb versus E26. Let’s go shopping and bring the right bulb for your home decor!

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