Tools
Run the numbers before anyone sells you on them.
Honest, no-login calculators built on what a Tokyo-based insider actually checks. Directional by design — the story, not investment advice.
The toolkit
Strategy & Yield
Net Yield Calculator
Turn a listing’s gross yield into the number you actually keep — after management, vacancy, tax and maintenance.
Open →Strategy & Yield
Minpaku (STR) Net-Yield Estimator
Model a short-term rental under Japan’s 180-night legal cap — net yield after OTA fees, cleaning and management, and how it stacks up against a long-term rental.
Open →Buying & Finance
Japan Property Tax Calculator
Estimate the annual fixed asset tax and city planning tax on a Japanese property — with the residential-land reduction and new-build break. Foreigners pay the same rates as locals.
Open →The Market
What Your Money Buys in Tokyo
Walk a budget through eight global cities and feel why a weak yen plus a developed-world city is unusual.
Open →