Found these calculators that might help!!
Debt to Income Calculator : See how much you need to make to manage your debt after college
Loan Repayment Calculator : Determine the amount of monthly payments for different loan interest rates and time frames. Or, increase monthly loan payments to see how many years you could shave off a loan with increase payments.
College Savings Calculator : You don't always need to burden yourself with debt, you can use this calculator to see how much you need to save over time to afford the college of your choosing