Finance

Project your 401(k) balance at retirement, including your employer's matching contributions.

Check whether the difference between two conversion rates is statistically significant, with p-value and uplift.

Turn impressions, clicks, spend and conversions into CTR, CPC, CPM, conversion rate, CPA and ROAS at once.

See a full month-by-month (or yearly) loan payoff schedule with principal, interest and balance.

See how much a savings account or CD grows at a given APY over time.

Estimate your car payment from price, down payment, trade-in, sales tax, rate and term.

Split a restaurant bill with tip and tax evenly, or by what each person ordered.

Price a fixed-rate bond from market yield and calculate current yield, yield to maturity sensitivity and duration.

Find how many units you must sell to cover costs, from fixed costs, price and variable cost per unit.

Turn an income statement and balance sheet into a professional liquidity, leverage, profitability and efficiency dashboard.

Build a launch budget, add contingency, model monthly burn and see how long your opening cash will last.

Estimate enterprise and equity value with DCF, market and adjusted-asset methods, explicit reconciliation, scenarios and sensitivity analysis.

Calculate customer acquisition cost, lifetime value, the LTV:CAC ratio and payback period.

Calculate CD, money market and high-yield savings earnings — APY growth broken down by year.

Estimate everything you'll pay at closing when buying a home — lender fees, title insurance, transfer taxes by state, prepaids and escrow — plus your total cash to close.

Project inflation-adjusted education costs and the monthly savings needed after grants, existing funds and investment growth.

See how savings or investments grow over time with compound interest and optional monthly contributions.

See how long it takes to clear a credit card balance, or the payment needed to pay it off by a date.

Convert between 100 cryptocurrencies and 12 fiat currencies with live, always-current rates.

Convert between 40+ world currencies using live exchange rates that update daily.

Compare guaranteed interest savings with after-tax, risk-adjusted investment outcomes over the same time horizon.

Calculate your debt-to-income (DTI) ratio from your monthly debt payments and gross income.

Find the sale price and how much you save from an original price and a percentage off.

Work out your home down payment and the loan amount from the price and a percentage down.

Set a risk-adjusted cash reserve from essential expenses, income stability, dependents, insurance and existing liquid savings.

Compare the after-tax present cost of leasing equipment with financing a purchase, including residual value and opportunity cost.

Track income and spending like a pro — dashboard with trends and category breakdowns, monthly budgets, multiple accounts, and one-click export to Excel, PDF, CSV or JSON. Private: everything stays in your browser.

See how much house you can afford with the 28/36 rule, from income, debts and down payment.

Convert dollars between any two years with real U.S. CPI data, or project inflation forward and backward at a flat rate.

Work out how much life insurance coverage your family actually needs with the DIME method.

Real-time price ticker for the top 100 cryptocurrencies — price, 24h and 7d change, market cap and 7-day charts.

Estimate the monthly payment, total interest and total cost of any loan from the amount, rate and term.

See what you'd actually take home from a jackpot — federal + state taxes, lump sum vs. 30-year annuity, year by year.

Calculate gross profit, profit margin and markup from a product's cost and selling price.

Estimate your monthly mortgage payment from home price, down payment, rate and term — plus taxes, insurance and HOA.

Add up your assets and subtract your debts to calculate your total net worth.

Calculate net present value, internal rate of return and payback period from an investment and its cash flows.

Compare your current loan to a refinance to see monthly savings and the break-even point.

Compare renting and owning across a chosen horizon with transaction costs, maintenance, taxes, appreciation and investment opportunity cost.

Project your retirement savings from your age, contributions and expected return — plus estimated retirement income.

Stress-test retirement drawdown with inflation, fees, multiple return scenarios and a visible year-by-year balance path.

Calculate return on ad spend, ROI and the break-even ROAS for your profit margin.

Calculate return on investment (ROI), net profit and annualized return (CAGR) from an initial and final value.

Estimate how long it takes an investment to double — or the return needed — using the Rule of 72.

Convert pay between hourly, daily, weekly, monthly and annual based on your hours and weeks worked.

Add sales tax to a price or work backwards to find the pre-tax amount and the tax included.

Find out how much to save each month to reach a savings goal by a target date.

Calculate simple interest and the total value from a principal, rate and time period.

Calculate student loan payments and see how much extra payments save in time and interest.

Estimate your net paycheck after taxes, FICA and pre-tax deductions from your gross salary.

Calculate future or present value of a lump sum plus regular contributions, with compounding.

Add up weekly work hours from clock-in/out times with breaks, and calculate pay from an hourly rate.

Work out the tip and total for a bill, and split it evenly between any number of people.

Compare salary, bonus, employer benefits, paid time off and risk-adjusted equity on one annual and hourly basis.

Add or remove VAT at any rate — see the net, VAT amount and gross total instantly.

See what $1,000 in Apple, Bitcoin, Tesla or the S&P 500 bought in any year would be worth today — with yearly growth chart and S&P comparison.