Thanks for contacting us and for your feedback.
The size of the RadNumericUpDown
control has been carefully adjusted so that the end-users can easily tap on its buttons and change its value. That said, reducing the height of the control might cause difficulties when selecting values (since being smaller, the + and - buttons might become difficult to manipulate) and thus make the end user experience bad.
However, we would like to receive some further details about your scenario so that we can analyse the case and see how we can assist you.
Thanks for your time.
the Telerik team
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