Convert Cup (Japanese) to US cups
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) = 0.845351 US cups
US cups = Cup (Japanese) × 0.84535057
Convert any amount
Cup (Japanese) to US cups table
| Cup (Japanese) | US cups |
|---|---|
| 0.25 Cup (Japanese) | 0.211338 US cups |
| 0.5 Cup (Japanese) | 0.422675 US cups |
| 1 Cup (Japanese) | 0.845351 US cups |
| 2 Cup (Japanese) | 1.6907 US cups |
| 3 Cup (Japanese) | 2.53605 US cups |
| 4 Cup (Japanese) | 3.3814 US cups |
| 5 Cup (Japanese) | 4.22675 US cups |
| 10 Cup (Japanese) | 8.45351 US cups |
| 20 Cup (Japanese) | 16.907 US cups |
| 25 Cup (Japanese) | 21.1338 US cups |
| 50 Cup (Japanese) | 42.2675 US cups |
| 100 Cup (Japanese) | 84.5351 US cups |
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 If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.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 US cups are in a Cup (Japanese)?
1 Cup (Japanese) = 0.845351 US cups. Multiply the number of Cup (Japanese) by 0.84535057 to get US cups.
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 US cups. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/cup-japan-to-us-cup
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