Observed arrival · 2026-10-13
Japan by Numbers: 19 calculators for life and work in Japan
A collection of free calculators covering costs, paperwork, taxes, visas, and trade in Japan.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Residents, newcomers, visitors, and small Japan-based businesses
- Worth noticing
- Each calculator is hosted on its own domain; three spreadsheet templates list ¥700 prices and include a filled-in sample sheet.
Field notes
The homepage groups its calculators into tax and pay, household costs, paperwork and moves, and trade, with links to separate domains for each tool. Its paid Gumroad section lists a qualified invoice template, a payslip template, and a 13-week cash-flow sheet, each at ¥700; the page says each includes a filled-in sample and a one-page A4 print-settings guide. It identifies the project as the English side of the independent publisher Soroban Note.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
$PaidCommerce or pricing visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue