From gross salary to net pay
The calculator combines monthly salary and annual bonus, estimates employee social insurance from standard remuneration and standard bonus bases, applies Japan's salary income deduction, then estimates national income tax and resident tax.
Tokyo employee assumptions
V1 is scoped to regular employees in Tokyo enrolled in Employees' Health Insurance, Employees' Pension, and employment insurance. Care insurance is added for ages 40 to 64.
Planning use cases
Use the result to compare job offers, set rent targets, estimate savings, or decide whether a salary package is enough before relocating to Japan.