Tools & Calculators

Work through common money questions with transparent assumptions. These calculators are educational estimates, not individualized financial, investment, tax, legal, or credit advice.

Savings & investing

Compound Interest Calculator

Estimate how a starting balance, monthly contribution, annual rate assumption, and time horizon may interact.

Starting balance $
Monthly contribution $
Annual rate assumption %
Years years

Assumption: monthly compounding and end-of-month contributions. The rate is a hypothetical input, not a promised return.

Savings planning

Savings Goal Calculator

Estimate the monthly contribution needed to work toward a target under a stated annual rate assumption.

Goal amount $
Current savings $
Annual rate assumption %
Years to goal years

Assumption: monthly compounding and end-of-month contributions. Taxes, fees, and account-specific rules are not included.

Debt planning

Debt Payoff Calculator

Estimate payoff time and interest cost for a fixed balance, APR, and monthly payment.

Current balance $
APR %
Monthly payment $

Assumption: a fixed APR, no new charges, and one payment each month. Real loan/card calculations may differ because of daily interest, fees, variable rates, or issuer rules.

Credit education

Credit Utilization Calculator

See how total revolving balances compare with total available revolving credit.

Total revolving balances $
Total revolving limits $

Important: this shows a ratio only. EconomicHQ does not predict a credit-score change, lender approval, or underwriting outcome from any utilization percentage.