What federal income tax will b withheld on $4460.

[NCperson]

that depends on how you filled out the W-4 form with your employer. 

if you are asking how much tax is owed on an income of $4460, assuming it's all earned income from a W-2, then  zero. 

[KatrinaB48]

That depends on your total income and tax bracket for 2020. You must combine all of your expected income together and find your tax bracket to determine the tax. Please view this TurboTax FAQ and look for your tax rate based on your filing status.