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⚡ US Teaspoons to Japanese Cups: the quick answer
1 tsp = 0.0246446 cup-jp
1 US teaspoon equals 0.0246446 Japanese cups
To convert US teaspoons to Japanese cups, multiply the value by 0.0246446.
To go the other way, multiply Japanese cups by 40.5768 to get US teaspoons.
↔ Convert Japanese cups to US teaspoons instead
🧮 Formula
Every unit here is defined by its volume in cubic meters, so the conversion factor is (cubic meters per US teaspoon) ÷ (cubic meters per Japanese cup).
📊 US Teaspoons to Japanese Cups conversion table
✏️ Worked examples
Convert 25 US teaspoons to Japanese cups
25 tsp × 0.0246446 = 0.616115 cup-jp
Try this example →
Convert 250 US teaspoons to Japanese cups
250 tsp × 0.0246446 = 6.16115 cup-jp
Try this example →
📘 About these units
US teaspoon (tsp). A US teaspoon is 4.9289 mL (1/3 tablespoon).
Japanese cup (cup-jp). The Japanese measuring cup (カップ) is 200 mL. Used in: Asia — Japan.
❓ Frequently asked questions
How many Japanese cups are in one US teaspoon?
There are 0.0246446 Japanese cups in one US teaspoon.
How do I convert US teaspoons to Japanese cups?
Multiply the number of US teaspoons by 0.0246446. For example, 10 US teaspoons equal 0.246446 Japanese cups.
How many US teaspoons are in one Japanese cup?
One Japanese cup equals 40.5768 US teaspoons.
🔗 More volume conversions
All volume units →