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Tax Calculator

Calculate Japanese before-tax, after-tax, and consumption tax amounts for 8% and 10% rates.

Enter after-tax amount
JPY

Result

Before tax
1,000JPY
Tax
100JPY
After tax
1,100JPY
Mode
Tax rate
Settings and actions

Features of the Tax Calculator

Tax Calculator helps check Japanese consumption tax for products, estimates, receipts, and quick price comparisons. It supports both before-tax to after-tax calculation and after-tax to before-tax calculation.

Open detailed notes

You can switch between the standard 10% rate and the reduced 8% rate. The result shows after-tax amount, before-tax amount, and the tax amount together.

This tool floors fractional tax amounts. Actual shops, accounting systems, invoices, and receipts may use different rounding rules, so follow your official accounting rules for formal processing.

Frequently asked questions

Is my amount saved?

No. Tax calculation runs only in your browser.

Which tax rates are supported?

It supports the standard 10% rate and the reduced 8% rate used for Japanese consumption tax.

How are fractional tax amounts rounded?

This tool floors fractional tax amounts. Actual shops, invoices, and accounting systems may use different rounding rules.

Can I use it for invoices or accounting?

Use it for quick checks. For invoices, receipts, and accounting, follow your accounting software or tax advisor rules.