Business and trade mathematics
Personal finance calculators
Calculate an emergency reserve, inflation, net worth, a monthly budget, debt-to-income ratio and fixed-payment credit card payoff using your own records and assumptions. No tax-return or eligibility estimate is supplied.
Emergency fund target and saving time
Work out a cash reserve from essential monthly spending and your chosen coverage period, then estimate the remaining saving time.
Open calculator →Inflation and purchasing power
Translate a supplied amount between future nominal money and today’s purchasing power using an explicit assumed inflation rate.
Open calculator →Personal net worth
Add supplied asset values and outstanding liabilities to calculate a dated personal net-worth snapshot.
Open calculator →Monthly budget and surplus
Convert supplied income and spending frequencies into monthly equivalents, then separate debt payments and planned savings to show a surplus or shortfall.
Open calculator →Debt to income ratio
Compare supplied required monthly debt payments with gross monthly income without assigning a lender approval threshold.
Open calculator →Credit card payoff with fixed payments
Estimate payoff time and interest for one balance under a fixed APR and fixed total monthly payment, without new charges or fees.
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