税込み価格計算機

🧮 Tax-included price calculator - Japanese consumption tax calculation app

【Features】
✅ Fully specialized for the Japanese tax system
✅ Supports 10% standard tax rate and 8% reduced tax rate
✅ Real-time automatic calculation
✅ Two-way calculation including tax ⇄ excluding tax
✅ Simple and easy-to-use design

【Convenient for the following situations】
• Calculate budget before shopping
• Check tax amount when confirming receipt
• Check price of reduced tax rate products
• Business price setting
• Calculate tax-included price when recording household account book

【Main functions】
🔸 Tax rate selection (10% standard / 8% reduced)
🔸 Calculation mode switching (excluding tax → including tax / including tax → excluding tax)
🔸 Automatic calculation at the same time as input (no calculation button required)
🔸 One-tap copy of results
🔸 Visual input cursor display

【Optimized for the Japanese tax system】
Fully compatible with the reduced tax rate system introduced in the consumption tax reform in October 2019. You can easily use 8% for food, newspapers, etc. and 10% for other products.

【How to use】
1. Select the tax rate (10% or 8%)
2. Select the calculation mode (tax excluded → tax included or tax included → tax excluded)
3. Automatic calculation just by entering the amount!

【Recommended for】
• Frequent shoppers
• People who manage their household finances
• Restaurant owners and retailers
• Accounting and bookkeeping workers
• People who need accurate tax calculations

【App benefits】
⚡ Fast: Results are displayed as you enter them
🎯 Accurate: Precise calculations based on the Japanese tax system
📱 Convenient: Quick calculations on the go
🔒 Peace of mind: Calculation history is only stored on the device

【Supported OS】
Android 5.0 or higher

【Price】
Basic functions are completely free to use.

Simple, accurate, and easy to use. A consumption tax calculator for Japanese people. Makes everyday shopping more convenient!

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Keywords: tax-inclusive calculator, consumption tax calculation, reduced tax rate, tax-excluded price, tax-inclusive price, 10% tax rate, 8% tax rate, shopping calculation, household finances, price calculation, Japanese tax system, consumption tax reform