Personal finance decision tools that tell you what to do next.

PayoffTools helps you decide whether to build emergency savings, pay off debt, plan a mortgage, or start investing next.

Start with emergency fund Choose your goal

Choose your goal

Pick the financial decision you are making right now. Each path starts with one primary calculator and keeps related tools close by.

Emergency Fund

Find how many months of expenses you can cover and what target comes next.

Start calculator

Debt Payoff

Choose the first balance to attack and understand how interest changes the timeline.

Start payoff planner

Mortgage

Estimate home payments, PMI impact, down payment tradeoffs, and refinance timing.

Open mortgage tools

Investing

Check whether investing should start now or wait behind cash and debt priorities.

Check readiness

Financial roadmap

Use the calculators in a decision order, not as a random list. The first unresolved step usually deserves attention before the next one.

Emergency Fund

Prevent a surprise bill from becoming new high-interest debt.

Calculate your target

Pay Off High Interest Debt

Stop expensive APR from erasing progress faster than savings can grow.

Plan debt payoff

Mortgage Planning

Check whether the payment, reserve, and PMI tradeoff are sustainable.

Estimate home payments

Investing

Invest with a repeatable amount after cash and debt pressure are clear.

Check investing readiness

Featured calculators

Start with the tools that answer the most common household money decisions.

Emergency

Emergency Fund Calculator

Calculate 3, 6, or 8 month emergency fund targets.

Emergency

6 Month Emergency Fund Calculator

Calculate a larger reserve benchmark for income disruption risk.

Debt

Debt Payoff Calculator

Choose the first balance for extra payments.

Mortgage

Mortgage Calculator With PMI

Estimate full mortgage payment with PMI.

Mortgage

Mortgage Affordability Calculator

Estimate a sustainable home price.

Investing

Investing Readiness Planner

Check whether investing should wait behind cash or debt.

Calculator library

Browse the full set by goal when you already know the type of decision you need to make.

Emergency

Emergency Fund CalculatorCalculate 3, 6, or 8 month emergency fund targets. 3 Month Emergency Fund CalculatorCalculate a stable-income reserve benchmark. 6 Month Emergency Fund CalculatorCalculate a larger reserve benchmark. Emergency Fund Target CalculatorChoose a target based on household risk. Emergency Fund Savings CalculatorTurn a target gap into a monthly savings plan. Emergency Fund Ratio CalculatorMeasure current savings as months covered. Emergency Fund Goal CalculatorSet the target, timeline, and monthly goal. How Much Emergency Fund Do I Need?Choose the right reserve size before saving. Financial Safety CalculatorUse the emergency fund hub for cash and next-dollar planning.

Debt

Debt Payment Calculator hubPlan debt repayment and payoff order. Debt Payoff CalculatorChoose the first balance for extra payments.

Mortgage

Mortgage ToolsStart with affordability, then compare payment decisions. Mortgage Calculator With PMIEstimate full mortgage payment with PMI. Mortgage Affordability CalculatorEstimate a sustainable home price. Down Payment CalculatorCompare down payment choices and cash reserves. PMI CalculatorEstimate monthly PMI and LTV. PMI Removal CalculatorEstimate the paydown gap to remove PMI. Refinance CalculatorCompare payment savings and break-even timing. Mortgage Payoff CalculatorEstimate payoff time and interest saved. Extra Payment CalculatorCompare extra principal payment strategies. Biweekly Mortgage CalculatorEstimate savings from biweekly payments.

Investing

Investing Readiness PlannerCheck whether investing should wait behind cash or debt. Retirement CalculatorsReview retirement planning tools.

Educational resources

Use these guides when you want the reasoning behind a target, benchmark, or next step.

Guides

Understand the emergency fund decision

Planning

Turn a target into a monthly plan

Decision tools

Compare the next financial move

Decision workspace

Run a quick priority check when emergency savings, debt payoff, and investing are competing for the same monthly cash.

Priority planner

What should my next dollar do?

This is not a score. It is a priority order based on liquidity, interest cost, and whether employer match money is being left behind.

Monthly money available Monthly essential expenses Current emergency savings High-interest debt balance Highest debt APR Employer match available?

Calculator cluster 1

Emergency fund planner

Find the cash target that changes your next decision, or use the full emergency fund calculator for 3, 6, and 8 month targets.

You need $2,300 to reach the starter target.

Why does this matter?: A starter fund keeps the next repair or deductible off a credit card.
Who is it for?: This applies when cash reserves are below one month of essential expenses.
How much is enough?: Starter target: $3,500. Full target: $10,500 to $21,000.
What should I do next?: Direct the next available dollars to cash savings until the starter target is met.

Calculator cluster 2

Debt payoff planner

Choose the first balance to attack and the method that fits the situation. For the full debt calculator, repayment examples, and payoff guides, start with the Debt Payment Calculator hub.

Extra monthly payoff money Preferred method

Name Balance APR

Attack Credit card first.

Why does this matter?: The highest APR balance is the fastest leak in the plan.
Who is it for?: This applies when unsecured debt costs more than conservative investment returns.
How much is enough?: Enough is $12,700 of high-interest balances paid off.
What should I do next?: Pay minimums on every balance, then send the extra $400 to Credit card.

Calculator cluster 3

Investing readiness planner

Know whether investing should start now or wait behind cash and debt priorities.

Capture the match, but do not ignore the debt.

Why does this matter?: Employer match can be unusually valuable, but debt above 8% still competes for the next dollar.
Who is it for?: This applies when a workplace plan offers match but cash reserves are thin.
How much is enough?: Long-term target: about $1,063 per month for a 15% savings rate.
What should I do next?: Contribute enough to receive match, then use remaining surplus on the emergency fund and debt.

FAQ

Short answers for people choosing where to start.

What should I calculate first?

Start with emergency savings if you have less than one month of essential expenses in cash. After that, compare high-interest debt and investing readiness.

Why are the calculators grouped by goal?

Financial decisions are connected. Cash reserves, debt APR, housing payment, and investing capacity affect what the next dollar should do.

Does PayoffTools provide financial advice?

No. PayoffTools is educational decision support. It helps organize calculations and tradeoffs, but it is not personalized financial, tax, legal, or investment advice.