Japan Sales Tax Calculator
19 Sept 2026launched 16 days ago
–No ratings yetRead reviews
n/aApple doesn’t publish installs
WorldwideSold in 50+ App Store storefronts
1.0latest version · 15 days ago
Screenshots
About
"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/Read more
"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/
Store page changes
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Versions
- Version 1.0First seen · 20 Sept 2026
Countries
Worldwide
Apple lists this app in 50 or more storefronts, so it is available almost everywhere.
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