IDEAFACTORYS LAB · Finance

Mortgage Payment Calculator

Principal + rate + years → monthly payment + interest overview.

Loan inputs

Illustrative — no taxes/insurance/PMI/fees. Not lending advice.

Standard amortizing: M = P·r(1+r)^n / ((1+r)^n−1) with monthly r and n months. Table shows first 12 months’ interest sketch.

Payment & interest

Monthly payment—
Total paid—
Total interest—
Interest yr 1 ≈—
—