Money, made quiet.
Clear, bilingual finance tools for life in Japan. No noise, no jargon.
Rates updated: 2026-06-23
Our Tools
Currency Exchange Rate Calculator
CurrencyConvert between currencies at live rates
Japan Income Tax Calculator
TaxCalculate Japanese income and residence tax
NISA Calculator
InvestmentProject tax-free investment returns
Pension Lump-Sum Calculator (脱退一時金)
PensionEstimate your pension refund
Rent vs Buy Calculator
Real EstateCompare housing costs in Japan
Furusato Nozei Calculator (ふるさと納税)
TaxCalculate your hometown tax donation limit
iDeCo Tax Savings Calculator (個人型確定拠出年金)
PensionSee how much tax you save with iDeCo
Latest from the Blog
Informational guides and tips on navigating life and finance in Japan
Health Insurance in Japan: A Practical Guide for Expats
Japan's universal health insurance covers 70% of medical costs for all residents. Here's how to enroll, what's covered, and how much you'll pay.
Renting vs Buying a Home in Japan: The Complete Financial Breakdown
Should you rent or buy in Japan? The answer depends on how long you'll stay, property type, and interest rates. Here's the math, including hidden costs most articles miss.
Furusato Nozei: How to Get Free Wagyu, Fruit, and Sake from Japan's 'Hometown Tax'
Furusato Nozei lets you donate to rural Japanese towns and receive premium gifts worth up to 30% of your donation — while reducing your residence tax. It's not a loophole; it's government policy.