Calculators

Mortgage calculation guides. Learn how to use calculators and understand the math behind your payments.

10 articles

Calculators

Basic mortgage calculators only show principal and interest. Taxes, insurance and PMI add $300-$800/month. Here's how to get the real number.

Michael Chen Jan 22, 2026

Calculators

Principal is your payment minus interest. Early payments are 70%+ interest. See the amortization math with a real $300K loan example.

David Thompson Jan 22, 2026

Calculators

An extra $200/month on a $300K mortgage saves $67K in interest and cuts 7 years off your loan. Run your own numbers with our examples.

Lisa Rodriguez Jan 22, 2026

Calculators

Calculate your remaining mortgage balance using your original loan terms and payment history. Three methods to check your payoff amount.

Jennifer Adams Jan 22, 2026

Calculators

Add a mortgage calculator to your site with a simple embed code or WordPress plugin. Free options, custom builds and lead capture setups compared.

Michael Chen Jan 22, 2026

Calculators

Divide your monthly debts by gross income to get your DTI. Most lenders cap it at 43%. See what counts as debt and what doesn't.

David Thompson Jan 22, 2026

Calculators

Work backward from your monthly budget to find your max loan amount. Use the reverse mortgage formula with your rate and term.

Sarah Mitchell Jan 22, 2026

Calculators

Calculate your mortgage payment using the formula M = P[r(1+r)^n]/[(1+r)^n-1]. See examples for different loan amounts and learn what's included.

David Thompson Jan 22, 2026

Calculators

Your payoff amount includes remaining principal plus accrued interest and fees. Request a payoff statement or calculate it yourself with this method.

Sarah Mitchell Jan 22, 2026

Calculators

FHA's upfront MIP is 1.75% of your loan amount. On a $300K loan that's $5,250, usually rolled into the balance. See the full calculation.

Sarah Mitchell Jan 22, 2026