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Smart Finance Tools
for Life in Japan
Free, bilingual financial calculators designed for expats living in Japan. Calculate exchange rates, income tax, NISA returns, pension refunds, and more.
Explore ToolsOur Tools
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USD/JPY Exchange Rate Calculator
CurrencyConvert between USD and JPY at live rates
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Japan Income Tax Calculator
TaxCalculate Japanese income and residence tax
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NISA Calculator
InvestmentProject tax-free investment returns
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Pension Lump-Sum Calculator (脱退一時金)
PensionEstimate your pension refund
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Rent vs Buy Calculator
Real EstateCompare housing costs in Japan