How to track net worth across USD and JPY for US-Japan couples in 2026

📰 Dev.to · komugi

Learn to track net worth in multiple currencies for US-Japan couples using Excel, making retirement planning easier

intermediate Published 29 Apr 2026

Action Steps

Build a spreadsheet to track income and expenses in both USD and JPY
Configure currency exchange rates in Excel to account for FX swings
Create a formula to calculate net worth in both currencies
Test the system with sample data to ensure accuracy
Apply the system to real financial data to track progress towards retirement goals

Who Needs to Know This

Couples with dual-income and multi-currency financials can benefit from this system, especially those with retirement goals in both the US and Japan

Key Insight

💡 Using Excel to track multi-currency net worth can help US-Japan couples make informed financial decisions and plan for retirement