Japan Foreign Exchange Rates (TTM/TTS/TTB) for Tax Filing Guide
Understand how to convert USD, EUR, and foreign income to Japanese Yen using National Tax Agency (NTA) official exchange rate rules.
TTM, TTS, and TTB Explained
When converting foreign currency for Japanese tax returns (Kakutei Shinkoku), the National Tax Agency (NTA) specifies exact TTM (Telegraphic Transfer Middle), TTS (Selling), and TTB (Buying) rate rules.
Generally, income received in foreign currency must be converted using the TTM rate of the transaction date or the bank's published rate, depending on accounting principles.
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Use our free Japan Tax FX Rate Converter to automatically fetch historical and current NTA compliant rates for tax simulation.
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