NestIQ

Mortgage calculators · free · no sign-up

NestIQ

Mortgage calculators loan officers actually use.

Scenario analysis for purchase, refi, HELOC, self-employment income, and total cost comparisons. Free. No account required.

Today · Freddie Mac PMMS · national average · offline

as of Apr 16, 2026

30-yr fixed

6.30%

15-yr fixed

5.65%

Market averages, refreshed daily from the Federal Reserve Bank of St. Louis (FRED). Not an offer of credit.

§ Calculators

Six tools. Every mortgage conversation.

01

Amortization

Full schedule, PITI breakdown, extra principal, recast and payoff date.

Open360-row schedule

02

Income qualification

Max loan from W-2, self-employed, rental income — with DTI dials.

OpenDTI 28 / 43

03

Refinance comparison

Break-even, NPV, side-by-side on up to three competing offers.

OpenBreak-even curve

04

Total cost analysis

Two-to-four scenarios across 5 / 7 / 10 / 15 / 30-yr horizons.

Open20-cell matrix

05

HELOC vs refinance

Blended rate against cash-out, with rate-stress curves.

OpenStress paths

06

Self-employment income

Fannie Mae 1084 + Freddie Mac Form 91 worksheets for self-employed borrowers.

Open1084 / Form 91

iOS · TestFlight

Take NestIQ to the field

Save borrowers, sync scenarios across sessions, generate PDFs from your phone between meetings. Same math engine, same compliance footprint.

Get on TestFlight