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Discretionary Income Calculator for IDR Plans
Use our discretionary income calculator to determine your monthly student loan payments on income-driven repayment plans.
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Updated · 1 min read
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Eliza Haverstock is NerdWallet's higher education writer, where she covers all aspects of college affordability and student loans. Previously, she reported on billionaires and investing for Forbes in New York, and she also covered private markets for PitchBook in Seattle. Eliza got started at her college newspaper at the University of Virginia and interned for Bloomberg, where she spent a summer writing a feature story about plastic straws. She is based in Washington, D.C.
Kim Lowe is Head of Content for NerdWallet's Personal and Student Loans team. She joined NerdWallet in 2016 after 15 years at MSN.com, where she held various content roles including editor-in-chief of the health and food sections. Kim started her career as a writer for print and web publications that covered the mortgage, supermarket and restaurant industries. Kim earned a bachelor's degree in journalism from the University of Iowa and a Master of Business Administration from the University of Washington. She works from her home near Portland, Oregon.
Head of Content, Personal & Student Loans
If you’re struggling to afford federal student loan payments, you may be able to lower them with an income-driven repayment plan. These plans cap monthly payments at 10%, 15% or 20% of your discretionary income, depending on the plan. Your eligibility depends on the type of federal loan you have.
The Education Department currently uses discretionary income to calculate payments for income-based repayment and other income-driven plans. Its calculation aims to factor out income used to cover essentials and instead base monthly payments on income left for “discretionary” items. The formula doesn't specifically track your personal expenses like rent and groceries; rather, it considers family size, state of residence and federal poverty guidelines.
If your discretionary income is low enough, your monthly payment may be $0.
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NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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NerdWallet rating
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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NerdWallet rating
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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NerdWallet rating
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
NerdWallet's ratings are determined by our editorial team. The scoring formula incorporates coverage options, customer experience, customizability, cost and more.
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Multiply that number by 150% for Income-Based Repayment and Pay as You Earn plans, or 100% for the Income-Contingent Repayment plan.
Subtract that number from your adjusted gross income to get your discretionary income.
Monthly payment amounts under PAYE are generally 10% of your discretionary income, 15% under IBR and 20% for ICR.
Adjusted gross income is the amount you pay taxes on. You’ll find it on your most recent tax return on Line 11 if you filed Form 1040; or Line 1 on 1040-ES.
A new student loan repayment plan?
Changes to income-driven repayment plans loom ahead of a U.S. Senate vote on President Donald Trump’s “one big, beautiful bill,” which includes a new Repayment Assistance Plan (RAP) for student loan borrowers. This plan is an income-based repayment plan that uses gross income — rather than discretionary income — to calculate payments. We're following the bill's progress and will update this story as it develops.
