search

Found

info About

A browser-based rice cup (go) to grams & ml converter tool. No data sent to server.

📘 How to Use

  1. Select the type of rice (Regular or No-Wash)
  2. Enter the amount of rice in portions (Gou), weight (g), or volume (ml) to see all values update instantly

Rice Cup (Go) to Grams & ML Converter

Gou
g
ml
water_drop Required Water
-ml

*Prioritize the line on the cooker

restaurant Cooked Rice (est.)
-g

*One bowl is approx. 150g

grid_view Related

  • No related tools configured.
Article

Japanese Rice Cup (Gou) Converter | Instantly Calculate Rice, Water, and Cooked Weight

This online tool instantly converts between the traditional Japanese rice cup (Gou), grams, and milliliters. It's designed for anyone cooking Japanese rice, helping you get the perfect rice-to-water ratio and predict the final cooked amount every time, whether you're using a measuring cup or a kitchen scale.

💡 Tool Overview

  • All-in-One Calculator: Enter a value in any unit—Gou, grams, or ml—and the tool automatically calculates all other corresponding measurements.
  • Precise Water Calculation: Instantly find out the exact amount of water (in ml) needed for the perfect texture, based on your amount of rice.
  • Cooked Yield Estimation: See the estimated final weight (in grams) of your rice after cooking, helping you with meal planning and portion control.
  • Supports Different Rice Types: Includes a toggle for "Regular" and "No-Wash" (musenmai) rice, as they have slightly different volume-to-weight ratios and water requirements.

🧐 Frequently Asked Questions

Q. What is a "Gou" (合)?

A. A "Gou" is the standard Japanese unit for measuring rice and sake, dating back centuries. One gou of raw short-grain rice is approximately 150 grams or 180 milliliters. This is different from a standard US cup (about 240 ml), which is a common source of confusion when following Japanese recipes.

Q. Why are the calculations different for "No-Wash" rice?

A. Regular rice is polished with a layer of rice bran (nuka) that needs to be washed off. This washing process removes some volume and weight. No-wash rice (musenmai) has this bran removed through a special process, so a 180ml cup contains slightly more rice grains. As a result, it requires a little more water for proper cooking, which this calculator accounts for.

📚 Fun Facts about the Japanese Rice Cup

The "Gou" (合) is a cornerstone of Japanese culinary tradition. Historically, it was measured using a square wooden box called a masu, and its volume (approx. 180ml) became the standard for portioning rice. One gou of raw rice was considered enough to yield about 330 grams of cooked rice, which is roughly two standard Japanese rice bowls (ochawan). This made it a practical unit for daily meal planning.

Even today, all Japanese rice cookers have markings inside the pot that correspond to the gou unit, allowing for easy and accurate water measurement without needing a separate cup. This tool digitizes that same time-tested wisdom, making it accessible whether you measure by weight, volume, or the traditional gou.