Financial

  • Kelly Criterion Calculator
    Calculate the optimal bet or investment fraction with the Kelly Criterion. Enter win probability and odds to get your ideal stake and half-Kelly amount.
  • Tax-Inclusive Price Breakdown Calculator
    Break a tax-inclusive gross price into its net (pre-tax) amount and the sales tax portion. Enter the gross price and tax rate to see the full breakdown.
  • Markup Percentage From Cost and Price Calculator
    Calculate markup percentage from cost and selling price. Find profit, markup %, and margin instantly with this free pricing calculator.
  • Selling Price From Markup Calculator
    Calculate the selling price from unit cost and markup percent. Find your retail price and profit per unit instantly with this markup calculator.
  • Selling Price From Margin Percent Calculator
    Calculate the selling price you need to charge from your cost and a target gross margin percent. Also shows profit per unit and equivalent markup.
  • Add Tax Percentage to Price Calculator
    Add a tax percentage to a net price instantly. Enter the net amount and tax rate to get the gross price plus the tax amount.
  • Margin to Markup Percentage Converter
    Convert gross margin percentage to markup percentage instantly. Enter a margin % and get the equivalent markup on cost with the exact formula explained.
  • Markup to Margin Calculator
    Convert markup percentage to profit margin percentage instantly. Enter your markup % and get the equivalent gross margin with the exact formula.
  • Gross Margin Percentage Calculator
    Calculate gross profit margin percentage from revenue and cost. Instantly see profit, margin %, and markup % with this free margin calculator.
  • Reverse Sales Tax Calculator
    Work backward from a total price to find the pre-tax amount and sales tax. Enter the tax-inclusive total and tax rate to split out the base price.
  • Debt-Free Date Calculator
    Find out when you'll be debt-free. Enter your balance, interest rate, and monthly payment to see months to payoff, your payoff date, and total interest.
  • Monthly Savings Needed for Goal Calculator
    Find the monthly deposit needed to reach a savings goal by a target date, accounting for compound investment growth at your expected annual return.
  • Hourly Overtime & Double-Time Calculator
    Calculate total gross pay from regular, overtime (1.5x) and double-time (2x) hours at any hourly rate. Free, instant, and easy to use.
  • Mortgage Closing Cost Calculator
    Estimate mortgage closing costs and total cash needed at closing from home price, down payment, and a 2-5% closing cost rate (US).
  • Profit and Loss Percentage Calculator
    Calculate profit or loss percentage instantly from cost price and selling price. Enter CP and SP to see your profit/loss amount and percentage.
  • Roth vs Traditional IRA Calculator (US)
    Compare the after-tax retirement value of a Roth IRA vs a Traditional IRA (US). Enter contribution, return, years and your retirement tax rate.
  • Compound Interest with Monthly Contributions Calculator
    Calculate how much your savings grow with compound interest plus regular monthly contributions. See future value, total deposits, and interest earned.
  • Net Pay From Gross Calculator
    Convert gross pay to net take-home pay. Enter your gross, FICA, federal & state tax rates and deductions to see your paycheck after withholding.
  • FIRE Number Calculator
    Calculate your FIRE number — the portfolio you need to retire early. Enter annual expenses and a safe withdrawal rate to find your financial independence target.
  • Severance Pay Calculator
    Estimate your severance pay from weekly pay, years of service, and weeks per year. Free severance pay calculator with a clear, instant total.
  • Weekly to Annual Salary Calculator
    Convert weekly pay to annual salary instantly. Enter your weekly wage and weeks worked to see yearly, monthly, and bi-weekly income.
  • Passive Income Calculator
    Calculate your monthly, weekly and annual passive income from an investment based on the amount invested and its annual yield percentage.
  • Royalty Income Calculator
    Calculate royalty income from units sold, price per unit, and royalty rate. Free tool for authors, musicians, inventors, and licensors.
  • Monthly Take-Home Pay Calculator
    Convert your annual gross salary into monthly take-home pay. Enter your salary and effective tax rate to see net monthly income, tax, and yearly totals.

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