How Long Will It Take to Pay Off My Student Loans?

On the standard 10-year repayment plan, a $30,000 student loan at 5.5% has a monthly payment of $326 and costs $9,081 in total interest. At $50,000: $543/month, $15,135 interest. At $100,000: $1,085/month, $30,270 interest. Extra payments can dramatically shorten these timelines.

Accelerated payoff on $50,000 at 5.5%. At $543/month (standard): 10 years, $15,135 interest. At $700/month: 7.3 years, $10,900 interest saved $4,235. At $1,000/month: 4.8 years, $6,600 interest saved $8,535. At $1,500/month: 3 years, $4,200 interest saved $10,935.

Income-driven repayment (IDR) plans cap payments at 10 to 15% of discretionary income. On $50,000 salary with $50,000 in loans: IDR payment approximately $260/month versus standard $543. IDR takes 20 to 25 years (with remaining balance forgiven, but forgiven amount is taxable income). IDR makes sense if you are pursuing Public Service Loan Forgiveness (10 years, tax-free forgiveness) or if your income is genuinely too low for standard payments.

Refinancing from 6.5% to 4.5% on $50,000 saves approximately $60/month and $5,500 over 10 years. Only refinance federal loans if you do not need income-driven repayment or forgiveness options, as refinancing into a private loan forfeits those benefits. Use the [loan payoff calculator](/calculators/loan-payoff) to model extra payments and the [budget calculator](/calculators/budget) to find money for accelerated payments.

Frequently Asked Questions:

Should I pay off student loans early or invest? At 5-6% loan rates, the math slightly favors investing. Above 7%, pay off the loans. Always capture 401k employer match first regardless.

Can student loans be forgiven? Through PSLF (10 years of qualifying payments while working for government/nonprofit) or IDR forgiveness (20-25 years). PSLF forgiveness is tax-free; IDR forgiveness is taxable.