CI to CC Converter
Convert cubic inches to cubic centimeters quickly and accurately
Quick Conversions
Conversion Formula & Steps
Conversion Formula
How to Convert CI to CC
- Take your value in cubic inches
- Multiply by the conversion factor 16.387064
- The result is your volume in cubic centimeters
350 × 16.387064 = 5,735.47 cc
How to Convert CC to CI
- Take your value in cubic centimeters
- Divide by 16.387064 (or multiply by 0.0610237)
- The result is your volume in cubic inches
5000 ÷ 16.387064 = 305.12 ci
Popular Conversion Chart
| Cubic Inches (ci) | Cubic Centimeters (cc) | Common Application |
|---|---|---|
| 1 | 16.39 | Small engine components |
| 10 | 163.87 | Motorcycle engines |
| 50 | 819.35 | Scooter engines |
| 100 | 1,638.71 | Large motorcycle engines |
| 150 | 2,458.06 | Compact car engines |
| 200 | 3,277.41 | Mid-size engines |
| 250 | 4,096.77 | V6 engines |
| 300 | 4,916.12 | Sports car engines |
| 350 | 5,735.47 | V8 engines |
| 400 | 6,554.83 | Large V8 engines |
| 500 | 8,193.53 | Performance engines |
| 1000 | 16,387.06 | Industrial engines |
Visual Comparison
Size Representation
1 cubic inch equals 16.387064 cubic centimeters
Cubic Inch
1″ × 1″ × 1″
cc
Cubic Centimeters
2.54cm × 2.54cm × 2.54cm
Real-World Applications
Automotive Engines
Engine displacement is commonly measured in cubic inches in the United States. A 350 ci engine equals 5,735 cc or 5.7 liters. This measurement determines engine power output and fuel efficiency.
Motorcycle Engines
Motorcycle engines are typically rated in cc globally but may be referenced in cubic inches. A 1000 cc sportbike equals approximately 61 cubic inches of displacement.
Marine Engines
Boat engines, especially in North America, are specified in cubic inches. Converting to cc helps compare with international marine engine specifications.
Industrial Equipment
Generators, pumps, and compressors use engine displacement ratings. Converting between ci and cc ensures proper equipment selection for global markets.
Classic Cars
Vintage American vehicles list engine sizes in cubic inches. A classic 427 ci engine translates to approximately 7,000 cc, helping enthusiasts source international parts.
Racing Specifications
Racing classes worldwide use different measurement systems. Converting ci to cc ensures compliance with international racing regulations and classifications.
Measurement System Differences
Imperial vs Metric Systems
The cubic inch belongs to the Imperial measurement system, primarily used in the United States. The cubic centimeter is part of the metric system, adopted by most countries worldwide.
United States: Engine displacement traditionally measured in cubic inches. American V8 engines like the 302, 350, and 454 are iconic examples where the number represents cubic inches.
International Markets: Most countries use cubic centimeters or liters. European and Asian manufacturers rate engines in cc, making conversion essential for cross-market comparisons.
Modern Practice: While the automotive industry increasingly adopts liters globally, cubic inches remain prevalent in American classic car communities and certain racing circuits.
Engine Displacement Reference
| Engine Type | Cubic Inches | Cubic Centimeters | Liters |
|---|---|---|---|
| Small Block Chevy | 283 | 4,637 | 4.6 L |
| Ford Windsor | 302 | 4,949 | 5.0 L |
| Chevy Small Block | 350 | 5,735 | 5.7 L |
| Ford Cleveland | 351 | 5,752 | 5.8 L |
| Chrysler LA | 360 | 5,899 | 5.9 L |
| Ford Big Block | 390 | 6,391 | 6.4 L |
| Chevy Big Block | 396 | 6,489 | 6.5 L |
| Mopar Big Block | 426 | 6,981 | 7.0 L |
| Ford 427 | 427 | 6,997 | 7.0 L |
| Chevy Big Block | 454 | 7,440 | 7.4 L |
Frequently Asked Questions
What is the exact conversion factor from ci to cc?
The precise conversion factor is 16.387064. This means 1 cubic inch equals exactly 16.387064 cubic centimeters. For most practical purposes, 16.39 provides sufficient accuracy.
Why do American engines use cubic inches?
The United States automotive industry developed using the Imperial measurement system. Cubic inches became the standard for engine displacement, and this tradition continues in American muscle car culture and certain racing categories.
How many cc is a 350 engine?
A 350 cubic inch engine equals 5,735.47 cc, or approximately 5.7 liters. This is one of the most popular American V8 engine sizes, particularly the Chevrolet small block 350.
Is cc the same as ml?
Yes, cubic centimeters (cc) and milliliters (ml) are equivalent measurements. 1 cc equals 1 ml. Both represent the same volume in the metric system.
How do I convert liters to cubic inches?
First convert liters to cubic centimeters by multiplying by 1,000, then divide by 16.387064 to get cubic inches. Alternatively, multiply liters by 61.024 to convert directly to cubic inches.
What is bigger: ci or cc?
A cubic inch is larger than a cubic centimeter. One cubic inch contains approximately 16.39 cubic centimeters. This is because an inch (2.54 cm) is larger than a centimeter.
Why is engine displacement important?
Engine displacement indicates the total volume of all cylinders in an engine. Larger displacement generally means more power output, though modern engineering factors like turbocharging and efficiency also significantly impact performance.
Can I use this conversion for medical syringes?
Yes, the conversion is identical for any volume measurement. Medical syringes typically show cc or ml markings, but if you encounter cubic inch measurements, the same 16.387064 conversion factor applies.
Quick Reference Sheet
| CI | CC | CI | CC |
|---|---|---|---|
| 1 | 16.39 | 60 | 983.22 |
| 5 | 81.94 | 80 | 1,310.97 |
| 10 | 163.87 | 100 | 1,638.71 |
| 15 | 245.81 | 150 | 2,458.06 |
| 20 | 327.74 | 200 | 3,277.41 |
| 25 | 409.68 | 250 | 4,096.77 |
| 30 | 491.61 | 300 | 4,916.12 |
| 40 | 655.48 | 400 | 6,554.83 |
| 50 | 819.35 | 500 | 8,193.53 |