Convert Imperial gallon to cubic centimetre
1 Imperial gallon = 4,546.09 cubic centimetres
What is Imperial gallon?
An Imperial gallon is a volume unit used in the United Kingdom equal to approximately 4.546 litres. It is larger than the US gallon and is commonly referenced for fuel efficiency (miles per gallon) in the UK.
Real-world uses
Imperial gallons are used in the United Kingdom, Canada (for some purposes), and several Caribbean countries. British fuel economy was historically quoted in miles per Imperial gallon. Older Commonwealth-era recipes and industrial specifications may reference Imperial gallons.
History
The Imperial gallon was established by the British Weights and Measures Act of 1824 as the volume occupied by 10 pounds of water at 62°F (≈ 17°C). It replaced several older gallon definitions including the wine gallon (retained by the US) and the ale gallon.
Common mistakes
Assuming the Imperial gallon equals the US gallon. The Imperial gallon is about 4.546 litres versus 3.785 litres for the US gallon. Converting mpg figures between the two systems without adjusting for gallon size gives misleading results.
What is cubic centimetre?
A cubic centimetre is a metric unit of volume equal to one thousandth of a litre, or 1 millilitre. It is used in medicine, engine displacement specifications, and precise scientific measurements.
Real-world uses
Cubic centimetres are used for engine displacement (e.g., a 250 cc motorcycle engine), medical syringe volumes (often marked "cc"), and laboratory measurements. Small container volumes and 3D printing material estimates are expressed in cm³.
History
The cubic centimetre was the standard volume unit in the CGS system. The abbreviation "cc" became entrenched in automotive and medical fields. The JCAHO (now The Joint Commission) recommended against "cc" in medical prescriptions to reduce errors, though it persists.
Common mistakes
Using "cc" interchangeably with mL is technically acceptable (they are equal), but some medical institutions discourage "cc" because it can be misread as "00" in handwritten prescriptions.
When is this conversion used?
Converting between Imperial gallon and cubic centimetre is common when working across metric and imperial systems, such as international trade, travel between countries with different measurement standards, or following instructions from a different region.
Worked examples
1 Imperial gallon = 4,546.09 cubic centimetres
1 cubic centimetre = 0.001 litres
How to convert Imperial gallon to cubic centimetre
To convert Imperial gallon to cubic centimetre, multiply the value by 4,546.09.
To convert cubic centimetre back to Imperial gallon, multiply by 0.00021997.
Measurement standards
The cubic metre is the SI derived unit of volume. The litre, equal to exactly one cubic decimetre (0.001 m³), is accepted by the BIPM for use alongside SI units. Both the lowercase "l" and uppercase "L" are approved symbols for the litre.
Did you know?
An Olympic swimming pool holds 2,500 cubic metres of water — about 2.5 million litres. The Amazon River discharges roughly 209,000 cubic metres per second, enough to fill 84 Olympic pools every single second.
| Imperial gallons | cubic centimetres |
|---|---|
| 0.1 | 454.609 |
| 0.5 | 2,273.045 |
| 1 | 4,546.09 |
| 2 | 9,092.18 |
| 5 | 22,730.45 |
| 10 | 45,460.9 |
| 25 | 113,652.25 |
| 50 | 227,304.5 |
| 100 | 454,609 |
| 250 | 1,136,522.5 |
| 500 | 2,273,045 |
| 1,000 | 4,546,090 |
Common values
| Imperial gallons | cubic centimetres | |
|---|---|---|
| A teaspoon | 0.00109985 Imperial gallons | 5 cubic centimetres |
| A cup of coffee | 0.05499231 Imperial gallons | 250 cubic centimetres |
| A water bottle | 0.10998462 Imperial gallons | 500 cubic centimetres |
| A bathtub | 65.99077449 Imperial gallons | 300,000 cubic centimetres |
| A swimming pool (Olympic) | 549,923.12074772 Imperial gallons | 2.500000e+09 cubic centimetres |
Frequently asked questions
How many cubic centimetres are in 1 Imperial gallon?
1 Imperial gallon = 4,546.09 cubic centimetres.
How do you convert Imperial gallon to cubic centimetre?
Multiply the Imperial gallon value by 4,546.09 to get cubic centimetre.
What is 10 Imperial gallons in cubic centimetres?
10 Imperial gallons = 45,460.9 cubic centimetres.
How many Imperial gallons are in 1 cubic centimetre?
1 cubic centimetre = 0.00021997 Imperial gallons.
Available Volume units
More Imperial gallon conversions
- Convert Imperial gallon to litre
- Convert Imperial gallon to millilitre
- Convert Imperial gallon to US gallon
- Convert Imperial gallon to cubic metre
- Convert Imperial gallon to US fluid ounce
- Convert Imperial gallon to Imperial fluid ounce
- Convert Imperial gallon to teaspoon (metric)
- Convert Imperial gallon to tablespoon (metric)
- Convert Imperial gallon to cubic centimetre