Income Canvas
Edge 2026
Federal & Private Student Debt Underwriting Pure Edge Computation

Student Loan Payoff & IDR vs Accelerated Payoff Calculator

Model Federal and private student loan repayment across standard 10-year amortization, extra monthly prepayments, and income-driven repayment (SAVE/IDR).

Formula: Standard Monthly = P × [r(1+r)^n] / [(1+r)^n - 1]; IDR Monthly = 10% × (AGI - 225% Poverty) / 12

Model Parameters

$

Combined balance across Direct Subsidized, Unsubsidized, Grad PLUS, or Private loans.

%

Weighted average annual percentage rate (APR) across outstanding student debt.

years

Contractual repayment term (standard federal term is 10 years / 120 months).

$

Annual household AGI used for federal income-driven repayment calculations.

people

Family size claimed on federal tax return for poverty line threshold exemptions.

$

Additional monthly cash applied directly to loan principal reduction.

Outputs & Underwriting Summary

Calculation Status
ACCELERATED SAVINGS ACTIVE
Verified Model
Standard Monthly Amortization
$495.08
Total Interest: $14409.60 (Total: $59409.60)
Accelerated Payoff & Savings
$3265.21 Saved
Debt-free in 7.9 yrs (2.1 yrs faster with $100.00/mo extra)
Federal IDR / SAVE Plan Estimate
$248.23 / month
Calculated on discretionary income above 225% federal poverty line ($35212.50)
Standard 10-year amortization requires $495.08/mo with $14,409.60 in total interest. Adding $100.00/mo accelerates payoff by 2.1 years, saving $3,265.21 in interest charges. IDR/SAVE calculated monthly obligation is $248.23/mo based on 225% federal poverty line ($35,212.50).

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