Nitro engine displacement conversion chart

Manufacturers use different terms to identify engine displacement. Basically, they use a metric cubic centimeter (cc) or a USA cubic inch (ci) term. This can confuse many people when it is time to choose an engine. With this chart, you’ll be able to convert the most popular engines on the market.

Nitro engine displacement conversion chart Articles

.12ci = 2.0cc

.15ci = 2.5cc

.18ci = 3.0cc

.20ci = 3.3cc or 3.4cc depending of the manufacturer

.21ci = 3.46cc, 3.48cc or 3.5cc depending of the manufacturer

.23cc = 3.78cc

.24ci = 3.975cc

.25ci = 4.1cc

.26ci = 4.26cc

.27ci = 4.4cc

.28ci = 4.6cc

.30ci = 4.9cc

.32ci = 5.2cc

.36ci = 5.9cc

.46ci = 7.7cc

.50ci = 8.0cc

Sylvain Lafrance

Sylvain Lafrance

Hello, my name is Sylvain Lafrance and I am the man behind I have bought my first hobby grade RC in the early 90s. With years, what that started as a simple hobby, quickly became a strong passion. I am so much passionate about R/C that I have created in 2006 to share my experiences with R/C products that I use for racing and bashing. Follow me !

2 thoughts on “Nitro engine displacement conversion chart

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    August 17, 2018 at 5:27 am

    Hello. What else shall i consider when replacing an engine. My current is the xtm xst 24.7 engine. Many thanks whats a good engine to replace with size wise.


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