<prompt> Human: Hey there Reddit. Ive started a new job a little over a month ago and Im trying to be able to predict my paycheck amounts by keeping track of my hours and subtracting deductions ahead of time. I assumed that all the deductions would be a standard percentage but it doesnt seem to be the case.There are 5 deductions. Federal Income, Social Security, Medicare, New York State Income, and New York Voluntary Disability.Based on 5 paychecks Ive been able to identify the Social Security deduction as 6.20 and Medicare as 1.45.I do not understand how the Federal Income, New York State Income, and New York Voluntary Disability deductions are determined. I calculated the percentages on each paycheck for these three deductions and they do not converge to a single number and are scattered. Does anyone know how I can predict these deductions?  <response>: Federal withholding can be looked up on the tables in IRS Publication 15 PDF 