Financial calculators and decision guides
Use your numbers to compare financial choices.
Estimate growth, future costs, savings contributions, debt tradeoffs, credit-card offers, and mortgage decisions with clear assumptions and realistic examples.
Featured calculators
Start with tools that cover common savings, debt, credit-card, and mortgage decisions.
Emergency Fund Calculator
Calculate an emergency-fund target from essential monthly expenses, estimate when the current savings plan may reach it, and find the contribution needed for a deadline.
How Long Will My Savings Last? Calculator
Estimate how long a savings balance may support recurring withdrawals, including an optional return, annual withdrawal changes, and a target-duration comparison.
Credit Card Payoff Calculator
Estimate a credit-card payoff date and interest from a fixed monthly payment, compare an extra payment, or calculate the payment needed for a target payoff period.
Debt-to-Income Ratio Calculator
Calculate total debt-to-income ratio, housing share of gross income, monthly debt obligations, and the gross-income amount left after entered debts.
Mortgage Extra Payment Calculator
Estimate how monthly extra principal, annual extra payments, and a one-time lump sum may change mortgage interest and payoff timing.
Mortgage Escrow Shortage Calculator
Break a mortgage payment increase into the ongoing escrow change and temporary escrow-shortage repayment, including a voluntary lump-sum comparison when the servicer accepts one.
Latest guides
See what drives the result, where simplified estimates can differ, and which questions to check before acting.
Why Is My Mortgage Balance Barely Going Down?
Learn why a fixed-rate mortgage balance can fall slowly at first, how amortization divides each payment between interest and principal, and what extra principal changes.
Can You Remove Private Mortgage Insurance (PMI) Early?
Learn how private mortgage insurance cancellation can differ when a servicer uses original value or current value, and when paying for a broker price opinion or appraisal may break even.
Mortgage Recast vs. Refinance: Which Can Lower Your Payment for Less?
Compare mortgage recasting and refinancing by payment change, interest rate, upfront cash, fees, qualification, loan term, and the value of keeping an existing mortgage rate.