Convert imperial gallons to Cup (Japanese)
East Asia · Cooking Measures · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 imperial gallon = 22.7305 Cup (Japanese)
Cup (Japanese) = imperial gallons × 22.73045
Convert any amount
imperial gallons to Cup (Japanese) table
| imperial gallons | Cup (Japanese) |
|---|---|
| 0.25 imperial gallons | 5.68261 Cup (Japanese) |
| 0.5 imperial gallons | 11.3652 Cup (Japanese) |
| 1 imperial gallon | 22.7305 Cup (Japanese) |
| 2 imperial gallons | 45.4609 Cup (Japanese) |
| 3 imperial gallons | 68.1913 Cup (Japanese) |
| 4 imperial gallons | 90.9218 Cup (Japanese) |
| 5 imperial gallons | 113.652 Cup (Japanese) |
| 10 imperial gallons | 227.305 Cup (Japanese) |
| 20 imperial gallons | 454.609 Cup (Japanese) |
| 25 imperial gallons | 568.261 Cup (Japanese) |
| 50 imperial gallons | 1,136.52 Cup (Japanese) |
| 100 imperial gallons | 2,273.05 Cup (Japanese) |
About the Cup (Japanese)
Japanese cup = 200ml. Used in rice cookers.
- Symbol
- cup JP
- Value in SI
- 1 Cup (Japanese) = 0.2 litre
- Typical use
- cooking
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI litre. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other cooking measures units in the East Asia family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many Cup (Japanese) are in a imperial gallon?
1 imperial gallon = 22.7305 Cup (Japanese). Multiply the number of imperial gallons by 22.73045 to get Cup (Japanese).
What is Cup (Japanese) used for?
Japanese cup = 200ml. Used in rice cookers. It is classified as active and dates from the modern period.
Is the Cup (Japanese) value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI litre, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Cup (Japanese) conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert imperial gallons to Cup (Japanese). UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/imperial-gallon-to-cup-japan
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