Skip to content

All calculators

Six tools for the borrowing decisions that cost the most. Every one shows its formula and its arithmetic, and every one tells you what it leaves out.

Mortgage & home buying

What a house actually costs per month, what you can afford, and whether refinancing is worth it.

Mortgage

Mortgage Payment

The whole payment — taxes, insurance, PMI and HOA included.

Formula and working shown
Mortgage

Home Affordability

Work backwards from your income using the 28/36 rule.

Formula and working shown
Mortgage

Refinance Break-Even

How long until refinancing actually pays for itself.

Formula and working shown

Debt payoff

Getting out, in the order that costs least — or the order you will actually finish.

Credit

What drives your score, and which lever is worth pulling first.

NumberPond provides general educational information, not financial, mortgage, credit, tax, or legal advice. We are not a licensed mortgage broker, loan officer, credit counselor, or financial advisor. Consult a qualified professional before making borrowing decisions.