Smarter personal finance in Japan
Easy-to-use calculators and expert information on personal finance, credit cards, rewards programs, and tax information in Japan.
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Simple Japanese Tax Simulation
Get a quick estimate of how much you will receive after taxes for your salary in Japan.
Launch calculator →Advanced Japanese Tax Calculator (2025)
Get a full breakdown of your tax situation in Japan. Input deductions like dependents, home loan, iDeCo, Furusato Nozei and more.
Launch calculator →iDeCo Contribution Limit Calculator
Learn how much you can contribute to your iDeCo investment account in Japan.
Launch calculator →Furusato Nozei Contribution Limit Calculator
Pay your taxes and get free gifts from across Japan! Get a quick estimate of how much you can contribute to the "hometown tax program".
Launch calculator →Points & Miles Conversion Calculator
Easily convert between different points and miles programs to find the best value.
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