440 Engine in Liters: Cubic Inch to Liter Formula Included

Almost all of the newer car manufacturers advertise the size of their engines in liters. During the 440 era, it was all about cubic inches. This makes many people wonder how many liters is a 440?

A 440 is 7.2 L rounded off. The exact liter measurement of the Mopar 440 is 7.21030816 liters.

Keep reading to find out how I figured out the 440 to liter conversion. Also, you can use the same cubic inch to liter formula for any engine. I’ll also include a liter to cubic inch conversion formula.

440 Engine in Liters

There are two ways you can convert a 440 to liters. This will work for any size engine.

1971 GTX with a 440 cubic inch engine or 7.2 L
1971 GTX with a 440 cubic inch engine or 72 L

The first method is using division (440 to Liters):

Divide the value in cubic inches by 61.0237441

Using the 440 engine as an example:

440 ÷ 61.0237441 = 7.21030816 liters. Rounded off this equals 7.2 L or liters.

1970 440 or 7.2 liters.
1970 440 cubic inch engine or 72 liters

The second method is using multiplication:

Multiply the value in cubic inches by 0.016387064

Using the Mopar 440 as an example:

440 × 0.016387064 = 7.21030816 liters. Rounded off this equals 7.2 liters.

How to Convert Liters to Cubic Inches

6.4L Hemi
64L Hemi Engine

Many of you with a newer Dodge Challenger, muscle car or crate engine may be wondering how to figure out how many actual cubic inches a liter engine equals.

Many times a crate engine lists their short block or long block only by liters. This info may come in handy just for curiosity or when buying parts or fuel systems to increase performance for a Scat Pack car.

Multiply the liters by 61.0237441

Using the 7.2 L 440 as an example:

7.21030816 x 61.0237441 = 440.000000037981856 cubic inches. Rounded off this equals 440 cubic inches.

The video explains how to convert cubic inches to liters.

If you have any questions or if you have more information you’d like to contribute, send us an email found on our contact page.

Read More Mopar Liter Articles:

The first time I converted cubic inches to liters was about 35 years ago. I had to look up how to do it in a book store. I’ve been researching Mopars and the 440 for approximately 40 years. My research includes personal experience, books, manuals, articles, magazines, webinars, live events and videos.

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