Tax Calculator
Instantly calculate Japanese consumption tax
消費税を計算
計算結果
※ 計算結果は参考値です。正確性を保証するものではなく、結果に基づく損害について当サイトは一切の責任を負いません。
About Tax Calculator
The Tax Calculator is a consumption tax tool supporting Japan's standard rate (10%) and reduced rate (8%). It handles both outward tax calculation (tax-exclusive to tax-inclusive) and inward tax calculation (tax-inclusive to tax-exclusive) with full flexibility for business and personal use.
Since the October 2019 tax hike, food and newspapers qualify for the 8% reduced rate. The tool allows one-tap rate switching and supports multiple rounding methods (floor, ceiling, and round-half) to match your calculation needs—whether for retail operations, online stores, or accounting purposes.
All calculations run entirely in your browser with no data sent to any server. This consumption tax calculator delivers fast, accurate results while maintaining complete privacy and compliance with Japanese tax regulations.
How to use Tax Calculator
- Select the calculation direction (excl. to incl. or incl. to excl.)
- Enter the amount
- Select the tax rate (8% or 10%) and results appear automatically
Benefits of Tax Calculator
- Supports both tax-exclusive to tax-inclusive and reverse calculations
- One-tap switching between 8% reduced and 10% standard rates
- Rounding follows Japanese business conventions for accurate results
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