# Plus-Sizing TIRE PRESSURE CALC — For Plus Sizing Wheel.

> Utility app for calculating optimal tire pressure with multiple standards and units. (iPhone/iPad app by Hidenori Nakashima.)

- Source: https://appshunter.io/ios/app/plus-sizing-tire-pressure-calc/id6741032949 (this page in markdown: same URL + `.md`)
- Developer: [Hidenori Nakashima](https://appshunter.io/developer/1566865415)
- Category: Utilities
- Price: Free
- Rating: 2.50/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 15.6 · 17 MB
- Languages: American English, Japanese
- Released: 2025-01-26
- Data updated: 2026-06-05
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/plus-sizing-tire-pressure-calc/id6741032949/reviews.md

## What is Plus?

>>>Selectable tire standards.
- XL_ExtraLoad
- RFD_Reinforced
- ETRTO_European
- TRA_American
- JATMA_Japanese

>>>Switchable Pressure Units.
- kpa
- bar
- kg/cm2
- psi

>>>The correct tire pressure will give you benefits.
- Bring out full performance.
- Prevent flat tire.
- Save gas.
- Achieve SDGs 12 and 13.

>>>To keep best condition.
- Check the tire pressures at least per month.

Let's enjoy comfortable and safety drive !

## Key features

- Selectable tire standards (XL, RFD, ETRTO, TRA, JATMA)
- Switchable pressure units (kPa, bar, kg/cm2, psi)
- Optimize tire performance
- Prevent flat tires
- Save fuel
- Support SDGs 12 and 13


## Frequently asked questions about Plus

### What tire standards does Plus-Sizing TIRE PRESSURE CALC support?

Plus-Sizing TIRE PRESSURE CALC supports multiple tire standards including XL_ExtraLoad, RFD_Reinforced, ETRTO_European, TRA_American, and JATMA_Japanese.

### What pressure units can I use with Plus-Sizing TIRE PRESSURE CALC?

You can switch between kPa, bar, kg/cm2, and psi for your pressure unit measurements within the app.

### Does Plus-Sizing TIRE PRESSURE CALC have ads?

Yes, Plus-Sizing TIRE PRESSURE CALC contains advertisements.

### What are the benefits of using Plus-Sizing TIRE PRESSURE CALC?

Using the correct tire pressure can help you bring out full performance, prevent flat tires, save gas, and achieve SDGs 12 and 13.

### How often should I check my tire pressure with Plus-Sizing TIRE PRESSURE CALC?

The app recommends checking your tire pressures at least once per month to keep your tires in their best condition.

### What devices is Plus-Sizing TIRE PRESSURE CALC available on?

Plus-Sizing TIRE PRESSURE CALC is available for iPhone, iPad, and iPod.

### When was Plus-Sizing TIRE PRESSURE CALC last updated?

The latest version, 18.09, was last updated on November 23, 2025.

### What is the user rating for Plus-Sizing TIRE PRESSURE CALC?

Plus-Sizing TIRE PRESSURE CALC has a rating of 2.5 stars from 2 ratings.

## Version history (last 5 releases)

### 18.09 — 2025-11-23

Minor Modify

### 18.08 — 2025-11-13

Minor Modify

### 18.07 — 2025-11-10

Minor Modify

### 18.05 — 2025-10-27

Minor Modify.

### 18.04 — 2025-02-22

Minor Modify.

## Apps similar to Plus

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Tire Size Fitment](https://appshunter.io/ios/app/tire-size-fitment/id892154550) | 4.2 (97) | Free | Utilities |
| [TrailDash](https://appshunter.io/ios/app/traildash/id6745162640) | — | Free | Utilities |
| [Tire Calculator (Offset&Speed)](https://appshunter.io/ios/app/tire-calculator-offset-and-speed/id1204309537) | 5.0 (4) | $1.99 | Utilities |
| [PACIFIC TPMS(PMC)](https://appshunter.io/ios/app/pacific-tpmspmc/id6743909722) | — | Free | Utilities |
| [Tire size correspondence](https://appshunter.io/ios/app/tire-size-correspondence/id6470453116) | — | Free | Utilities |
| [Tire Size Calculator - Upsize](https://appshunter.io/ios/app/tire-size-calculator-upsize/id1590813057) | 1.2 (6) | Free | Utilities |

## More apps by Hidenori Nakashima

- [Plus-Sizing TIRE PRESSURE Pro](https://appshunter.io/ios/app/plus-sizing-tire-pressure-pro/id1566865413)

All apps by Hidenori Nakashima: https://appshunter.io/developer/1566865415

## Related topics

[pressure tire](https://appshunter.io/ios/topics/pressure-tire) · [tire size calculator plus](https://appshunter.io/ios/topics/tire-size-calculator-plus) · [tire pressure pro](https://appshunter.io/ios/topics/tire-pressure-pro) · [tire pressure calculator](https://appshunter.io/ios/topics/tire-pressure-calculator)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-05.*