Embeddable Widgets

FIRE Calculator

Embed the FIRE Calculator on your site. Customize theme and options, then copy the embed code.

Tip Calculator

Embed the Tip Calculator. Bill, tip %, and split to get per-person amount.

Loan Payment

Embed the Loan Payment Calculator. Amount, rate, term to get monthly payment.

Hourly to Salary

Convert hourly wage to gross annual salary.

Salary to Hourly

Convert annual salary to hourly wage.

Compound Interest

Calculate compound interest with regular contributions.

Mortgage Payment

Calculate monthly mortgage payment from home price, down payment, rate, and term.

ROI Calculator

Calculate return on investment, profit, and annualized ROI.

Car Affordability

See how much car you can afford with the 20/4/10 rule.

College Savings (529)

See if you are on track for college costs with a 529 plan.

Home Affordability

How much house you can afford based on income, down payment, and debts.

Net Worth

Assets minus liabilities for your financial snapshot.

Retirement Savings

Project retirement balance and 4% rule income.

Savings Goal

How long until you hit your savings target.

Micro-Retirement Simulator

Model career breaks and sabbaticals on your path to financial independence.

Betting Odds

Embed the Betting Odds Calculator. Enter stake and odds to see payout and profit.

Odds Converter

Convert between American, Decimal, and Fractional odds with implied probability.

Prediction Market Odds Converter

Convert Polymarket-style Yes % to American, Decimal, and Fractional odds.

Parlay Calculator

Calculate multi-leg parlay payouts and combined odds.

Betting Hedge Calculator

Find the optimal hedge amount to lock in guaranteed profit.

Cash Out Value

Compare cash out offers to fair value and expected profit.

Parlay Cash Out

Calculate parlay fair value with won and pending legs.

Poker Pot Odds

Pot odds, outs, and hit probability for call/fold decisions.