Japan Sales Tax Calculator
Tax-included price, instantly
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Supports 1% consumption tax. "How much is this with tax?" See 1% and 10% side by side, plus the discounted price. Mixed 8%/10% shopping adds up in one go.
"How much is this with tax?"
Type a price and the pre-tax amount, tax, and total appear side by side for 1% and 10%. Spin to a discount and the discounted price shows right there. No extra tax button to press.
[Made for people who]
- Look at a price tag and want to know the total with tax right away
- See a 20% off sign and want to know what they will actually pay
- Shop for food at 1% and everyday goods at 10% and want one total
- Want to work back from a tax-included price to the base price
- Make price tags and need rounding to match the store
- Want to add up several prices like 100+200+300 before adding tax
[1% and 10%, side by side]
Supports the 1% rate. Type 19,800 and you see 19,998 at 1% and 21,780 at 10%. Tap a column heading to change the rate on the spot.
[Discounted price, right there]
Spin the dial to pick anything from 5% to 80% off, or type your own rate. 19,800 at 20% off is 15,840, and 17,424 with tax, all visible at once. Choose whether the discount applies before or after tax.
[Mixed 8% and 10% shopping]
Set Amounts to Split and enter separate amounts in the left and right columns. The grand total appears at the bottom.
[Rounding that matches the store]
Switch between round down, nearest, and round up at the top of the screen.
[Type an expression, fix any number]
Type 100+200+300 and each line appears in a small window. Tap a line to retype just that number. Deleted too much? Undo one step at a time.
[Switch to a regular calculator]
Set Mode to Basic for a plain calculator without the tax table. Use ( ) and %, and tap any number or operator to change it.
[History]
Press = and the expression and result are saved. Tap an entry to bring it back.
Core features are free to use.
Privacy policy: https://www.musuby.jp/shohizei-privacy/
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The developer, MASASHI YOSHIDA, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
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- Identifiers
- Usage Data
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Accessibility
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Information
- Seller
- MASASHI YOSHIDA
- Size
- 4.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Remove Ads $2.99
- Copyright
- © 2026 MASASHI YOSHIDA