Final answer:
The keyboard shortcut for converting text to lowercase is Ctrl + W.
Step-by-step explanation:
The keyboard shortcut for converting text from the cursor to the end of the word to lowercase is Ctrl + W. This shortcut is commonly used in text editors and word processors. When you press Ctrl + W, the selected text is immediately converted to lowercase. For example, if you have the word 'Hello' and you want to convert it to lowercase, you can place the cursor at the end of the word and press Ctrl + W.