Fast, private, decision-first calculators

Make expensive decisions with clearer numbers.

Use free calculators to estimate mortgage payments, refinance savings, debt payoff timelines, and rent affordability before making a major financial decision.

Built for setup-and-forget value

DecisionWorth is a static, mobile-first utility site. No account required. No saved financial inputs. Clear explanations instead of raw numbers only.

6v0.1 calculators
0required backend
100%browser calculations

Popular calculators

Each calculator is built to answer a real decision, not just produce a number.

Mortgage

Mortgage Payment Calculator

Estimate monthly house payment with taxes, insurance, HOA, and PMI.

  • Monthly payment
  • Taxes & insurance
  • Interest sensitivity
Mortgage

Home Affordability Calculator

Estimate what home price may fit your income, debts, and down payment.

  • Conservative/moderate ranges
  • DTI estimate
  • Payment pressure warning
Mortgage

Refinance Break-Even Calculator

Find how long it may take for refinance savings to recover closing costs.

  • Break-even months
  • Monthly savings
  • Stay-or-move comparison
Debt

Credit Card Payoff Calculator

Estimate payoff time and interest based on APR and monthly payment.

  • Payoff date
  • Total interest
  • Extra payment sensitivity
Private by defaultInputs run in your browser and are not saved by default.
Transparent assumptionsEach page includes methodology and visible inputs.
Built to expandReusable calculator architecture makes future packs easy.