ぱっと換算 - 単位換算・レシピの分量

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About this app

Tsubo, tatami, inches, Fahrenheit, tablespoons. Instant Conversion is an app that converts common units on a single screen, calculating recipe quantities to match the number of servings. Each time you press a number, the result and the answer in other units instantly change.

■ Instant Conversion of Other Units
Input and result are displayed prominently. No need to press a "Convert" button. Supports 7 categories: length, area, cooking, temperature, weight, volume, and speed. You can copy the result by pressing it, and swapping uses the result as the new input.

■ Japanese and International Units
Handles 56 units including tsubo, tatami, shaku, sun, ken, kan, go, sho, inches, feet, pounds, gallons, Fahrenheit, and miles per hour. For tatami, you can choose from real estate measurements, Edo-ma, Chukyo-ma, Kyo-ma, and Danchi-ma standards. Combinations of feet and inches, and tatami standards are also displayed.

■ Convert from Tablespoons to Grams
Choose from 23 ingredients including soy sauce, sugar, salt, flour, oil, and rice, and convert their volume and weight. Supports tablespoons, teaspoons, cups, rice cups, and even American cups and ounces. The grams used in cooking are a general guideline for level measurements.

■ Convert a 2-Serving Recipe to 3 Servings
Simply paste the recipe ingredients and select the original number of servings and the number of servings you're making. You can also add and edit ingredients line by line. Reads quantities like "1/2," "1 and 1/2," and "2 tablespoons," and rounds them to kitchen-friendly amounts like 1 and a half tablespoons. You can also quickly select halves, doubles, and triples.

■ Pin Frequently Used Conversions
Pins remember previous values ​​and can be recalled from any category. A quick reference guide for selected pins is displayed in the home screen widget. Pins and recipes can be opened from launcher shortcuts.

■ Instant Conversion Plus
Plus lets you place as many pins as you like, save and recall recipes, and create your own units like "My Cup = 250ml" and "Stride Length = 70cm". The standard conversion, approximate gram measurements for dishes, recipe calculation and pasting, 4 pin slots, and quick reference chart remain available.

■ Data Handling
Conversions and recipes are calculated and saved within your device. There is no account registration or advertisements. Google Play is used for purchase processing. Please check the privacy policy regarding the handling of technical diagnostic information by Google Play Billing.

In settings, "Try with sample data" allows you to test the features without changing the standard data. Light/dark display and font size adjustments are supported. The screen language is Japanese.

Conversion results and dish quantities are approximate. For situations requiring accuracy, please refer to the original source.
Instantly convert between tsubo, tatami, inches, Fahrenheit, and tablespoons. Convert cooking ingredients to grams and calculate recipe quantities to match the number of servings.
Updated on
Oct 4, 2026
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Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    App info and performance and Device or other IDs
  • This app may collect these data types
    Financial info, App info and performance, and Device or other IDs
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

Android版を公開します。単位換算、料理のgの目安、レシピの分量計算、ピン、ホーム画面の早見表に対応しています。