Translation guide
A numeric keypad is a set of keys with numbers, usually on the right side of a full-size keyboard or as a separate device. In Japanese, it is commonly called テンキー (tenkī), a loanword from English 'ten key'. This guide covers how to refer to it in everyday conversation, technical contexts, and related expressions.
The learner wants to refer to the numeric keypad on a keyboard or a standalone device.
The most common and natural term for a numeric keypad in Japanese. It is a loanword from English 'ten key' and is widely understood.
このキーボードにはテンキーが付いています。
This keyboard has a numeric keypad.
テンキーを使って数字を入力してください。
Please enter the numbers using the numeric keypad.
Literally 'number keys'. This can refer to the numeric keypad or the number row, but context usually clarifies. Less common than テンキー for the dedicated keypad.
数字キーが反応しません。
The number keys aren't responding.
A less common variant, sometimes used for standalone numeric keypads. テンキー is preferred.
USBテンキーパッドを購入しました。
I bought a USB numeric keypad.
The learner wants to specify a separate numeric keypad device, not built into a keyboard.
Means 'external numeric keypad'. This clearly distinguishes a standalone device from one integrated into a keyboard.
ノートパソコン用に外付けテンキーを買いました。
I bought an external numeric keypad for my laptop.
Specifies a USB-connected numeric keypad. Very common for standalone devices.
USBテンキーは便利です。
A USB numeric keypad is convenient.
The learner wants to refer to the number pad on a phone, ATM, or similar device.
Literally 'number buttons'. Used for physical or on-screen number pads on phones, ATMs, etc.
ATMの数字ボタンを押してください。
Press the number buttons on the ATM.
Can also be used for number pads on phones or other devices, though 数字ボタン is more descriptive.
スマホのテンキーで番号を入力する。
Enter the number using the smartphone's numeric keypad.
テンキー specifically refers to the dedicated numeric keypad block, while 数字キー can mean any number keys, including the top row. If you need to be precise, use テンキー for the keypad and 数字キー for the number row.
テンキーがないキーボードはコンパクトです。
Keyboards without a numeric keypad are compact.
数字キーは一番上の列にあります。
The number keys are on the top row.