Convert Cup (Japanese) to imperial gallons
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 Cup (Japanese) = 0.0439938 imperial gallons
imperial gallons = Cup (Japanese) × 0.04399385
Convert any amount
Cup (Japanese) to imperial gallons table
| Cup (Japanese) | imperial gallons |
|---|---|
| 0.25 Cup (Japanese) | 0.0109985 imperial gallons |
| 0.5 Cup (Japanese) | 0.0219969 imperial gallons |
| 1 Cup (Japanese) | 0.0439938 imperial gallons |
| 2 Cup (Japanese) | 0.0879877 imperial gallons |
| 3 Cup (Japanese) | 0.131982 imperial gallons |
| 4 Cup (Japanese) | 0.175975 imperial gallons |
| 5 Cup (Japanese) | 0.219969 imperial gallons |
| 10 Cup (Japanese) | 0.439938 imperial gallons |
| 20 Cup (Japanese) | 0.879877 imperial gallons |
| 25 Cup (Japanese) | 1.09985 imperial gallons |
| 50 Cup (Japanese) | 2.19969 imperial gallons |
| 100 Cup (Japanese) | 4.39938 imperial gallons |
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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 imperial gallons are in a Cup (Japanese)?
1 Cup (Japanese) = 0.0439938 imperial gallons. Multiply the number of Cup (Japanese) by 0.04399385 to get imperial gallons.
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 Cup (Japanese) to imperial gallons. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/cup-japan-to-imperial-gallon
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