『現場一発！単位職人』Magic Calculator
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5+
Downloads
Everyone
info
About this app
A one-click solution to your on-site unit problems.
Are you struggling with unit conversions at construction, civil engineering, or real estate sites?
"How many tsubo are in 50 square meters?"
"Exactly how many millimeters are in 1 ken?"
"I want to convert to liters to calculate the unit price per cubic meter."
Japanese construction sites use a mixture of unique units, including not only the metric system but also the shakkanho system.
"On-site One-Shot! Unit Master Magic Calculator" is a unit conversion app specifically designed for such professionals.
[Key Features]
1. Comprehensive coverage of all units needed on-site.
Simply switch between three tabs to support any unit.
Area: Square meters (m2) ⇔ Tsubo ⇔ Tatami (Edo-ma) ⇔ Are (a) ⇔ Tan ⇔ Acre
Length: Millimeters (mm) ⇔ Centimeters (cm) ⇔ Meters (m) ⇔ Sun ⇔ Shaku ⇔ Ken
Volume: Cubic meters (m3) ⇔ CC ⇔ Milliliters (ml) ⇔ Liters (L)
2. Just enter the value and get an instant answer.
There's no "Convert" button. The instant you enter a value, the calculation results are updated in real time to all other units. It won't slow down your busy worksite.
3. Professional-grade high-contrast design
On-site environments can often be difficult to see, such as in direct sunlight or dimly lit areas.
This app features a high-contrast color scheme: fluorescent yellow and white on a black background. Numbers stand out clearly in any environment, preventing misreading.
We've also prioritized visibility by eliminating unnecessary decorations and making the font size as large as possible.
4. Simple Design to Prevent Operational Errors
All Clear Button
Reset values with a single tap. Move on to the next calculation immediately.
Large Input Area**: The input field is designed to be large and easy to touch, even when wearing work gloves.
Recommended for:
Site Supervisors and Construction Managers**: For checking consistency between blueprints and the site.
Carpenters and Craftsmen: For cutting dimensions and calculating materials.
Real Estate Sales: For quick answers to customers about floor area and tatami mat counts.
DIY Users: For purchasing materials at the hardware store.
Concept
"Simple functionality, stylish appearance."
We aimed to create an app that feels like a "favorite tool" in a craftsman's toolbox, rather than a disposable tool.
The icon features the single character "kei" (measure), representing the spirit of the work site.
Make your daily work on site a little smarter and cooler.
"Unit Craftsman" will support you in your work.
Are you struggling with unit conversions at construction, civil engineering, or real estate sites?
"How many tsubo are in 50 square meters?"
"Exactly how many millimeters are in 1 ken?"
"I want to convert to liters to calculate the unit price per cubic meter."
Japanese construction sites use a mixture of unique units, including not only the metric system but also the shakkanho system.
"On-site One-Shot! Unit Master Magic Calculator" is a unit conversion app specifically designed for such professionals.
[Key Features]
1. Comprehensive coverage of all units needed on-site.
Simply switch between three tabs to support any unit.
Area: Square meters (m2) ⇔ Tsubo ⇔ Tatami (Edo-ma) ⇔ Are (a) ⇔ Tan ⇔ Acre
Length: Millimeters (mm) ⇔ Centimeters (cm) ⇔ Meters (m) ⇔ Sun ⇔ Shaku ⇔ Ken
Volume: Cubic meters (m3) ⇔ CC ⇔ Milliliters (ml) ⇔ Liters (L)
2. Just enter the value and get an instant answer.
There's no "Convert" button. The instant you enter a value, the calculation results are updated in real time to all other units. It won't slow down your busy worksite.
3. Professional-grade high-contrast design
On-site environments can often be difficult to see, such as in direct sunlight or dimly lit areas.
This app features a high-contrast color scheme: fluorescent yellow and white on a black background. Numbers stand out clearly in any environment, preventing misreading.
We've also prioritized visibility by eliminating unnecessary decorations and making the font size as large as possible.
4. Simple Design to Prevent Operational Errors
All Clear Button
Reset values with a single tap. Move on to the next calculation immediately.
Large Input Area**: The input field is designed to be large and easy to touch, even when wearing work gloves.
Recommended for:
Site Supervisors and Construction Managers**: For checking consistency between blueprints and the site.
Carpenters and Craftsmen: For cutting dimensions and calculating materials.
Real Estate Sales: For quick answers to customers about floor area and tatami mat counts.
DIY Users: For purchasing materials at the hardware store.
Concept
"Simple functionality, stylish appearance."
We aimed to create an app that feels like a "favorite tool" in a craftsman's toolbox, rather than a disposable tool.
The icon features the single character "kei" (measure), representing the spirit of the work site.
Make your daily work on site a little smarter and cooler.
"Unit Craftsman" will support you in your work.
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What’s new
#大型アップデート
## 現場の「困った」を魔法のように解決！ クロス（壁紙）計算機能を搭載した最新版 v1.87 をリリース
**2026年1月25日** — 建築・建設現場で働く職人やDIY愛好家のために開発された、多機能単位換算・計算アプリ『現場一発！単位職人 Magic Calculator』の最新バージョン v1.87 をリリースいたしました。
### 主な新機能：クロス（壁紙）計算モード
今回のアップデートでは、内装業やDIYで頻繁に行われる「壁紙（クロス）」の必要量計算を、驚くほど簡単に行える新モードを追加しました。
- **直感的な入力**: 部屋の高さ(H)と、必要な幅(W)を次々と入力していくだけ。
- **自動計算ロジック**:
- 有効幅(90cm)を考慮した「必要本数」の自動算出。
- 切りしろ(+10cm)を含めた「必要メートル数」の積算。
- 発注に必要な「総平米数(㎡)」の換算。
### その他の特徴
- **広さ・長さ・容量を瞬時に換算**: 尺貫法（坪・畳・寸・尺・間）とメートル法をリアルタイムに相互変換。
## 現場の「困った」を魔法のように解決！ クロス（壁紙）計算機能を搭載した最新版 v1.87 をリリース
**2026年1月25日** — 建築・建設現場で働く職人やDIY愛好家のために開発された、多機能単位換算・計算アプリ『現場一発！単位職人 Magic Calculator』の最新バージョン v1.87 をリリースいたしました。
### 主な新機能：クロス（壁紙）計算モード
今回のアップデートでは、内装業やDIYで頻繁に行われる「壁紙（クロス）」の必要量計算を、驚くほど簡単に行える新モードを追加しました。
- **直感的な入力**: 部屋の高さ(H)と、必要な幅(W)を次々と入力していくだけ。
- **自動計算ロジック**:
- 有効幅(90cm)を考慮した「必要本数」の自動算出。
- 切りしろ(+10cm)を含めた「必要メートル数」の積算。
- 発注に必要な「総平米数(㎡)」の換算。
### その他の特徴
- **広さ・長さ・容量を瞬時に換算**: 尺貫法（坪・畳・寸・尺・間）とメートル法をリアルタイムに相互変換。
App support
About the developer
Akihiro Imai
godbrain.inc@gmail.com
宮松町10−２
平塚市, 神奈川県 254-0036
Japan
