Bonus Calculation Simulator
Author: sampomichExecutions: 865
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Data on the previous month’s salary is required. If this data is unavailable, the calculation will treat the bonus as exceeding 10 times the previous month’s salary.
If the previous month’s salary amount after social insurance deductions is available, enter that amount as the previous month’s salary and calculate using a social insurance premium of 0 yen for the previous month.
If the bonus amount after social insurance deductions is available, you can calculate by setting all social insurance rates to 0.
If the previous month’s salary amount after social insurance deductions is available, enter that amount as the previous month’s salary and calculate using a social insurance premium of 0 yen for the previous month.
If the bonus amount after social insurance deductions is available, you can calculate by setting all social insurance rates to 0.
| Total Gross Pay | yen — Deduction-related ((Employee Pension Insurance Premiums yen |
| Health Insurance Premiums | yenChild Support Grant yenEmployment Insurance Premiums yen ) — |
| 《 Taxable Bonus Amount | yen ×Tax Rate ％ ＝ 》Tax Amount yen ）＝ |
| Net Payment Amount | yen |
This differs from the bonus calculations performed by your employer. Valid only through Reiwa 8.
For bonuses exceeding 10 times the previous month’s salary, Column A is calculated using the tax rate under the computer-based special provision.
This does not support multiple payments within the same month.
When processing bonuses exceeding 10 times the previous month’s salary, the tax rate may be displayed as “∞.”
*1: Required fields for the following cases: No salary in the previous month, or a bonus exceeding 10 times the previous month’s salary.
*2: Includes cases where the threshold has already been reached. Round down amounts less than 1,000 yen for each payment, and enter the
total amount in units of 1,000 yen. (Example: 5,432,000 yen ⇒ 543.2)
There is no guarantee regarding the calculation results. This was created purely out of curiosity, and
we do not plan to revise it for the next fiscal year.
Please use this tool with that understanding.
For bonuses exceeding 10 times the previous month’s salary, Column A is calculated using the tax rate under the computer-based special provision.
This does not support multiple payments within the same month.
When processing bonuses exceeding 10 times the previous month’s salary, the tax rate may be displayed as “∞.”
*1: Required fields for the following cases: No salary in the previous month, or a bonus exceeding 10 times the previous month’s salary.
*2: Includes cases where the threshold has already been reached. Round down amounts less than 1,000 yen for each payment, and enter the
total amount in units of 1,000 yen. (Example: 5,432,000 yen ⇒ 543.2)
There is no guarantee regarding the calculation results. This was created purely out of curiosity, and
we do not plan to revise it for the next fiscal year.
Please use this tool with that understanding.
No customer feedback for this calculation yet.
and determines the net take-home pay.