• Sales Tax Amount Calculator
    Calculate the sales tax amount and total price from any price and tax rate. Enter the pre-tax price and percentage to see tax owed instantly.
  • Gross Profit Percentage Calculator
    Calculate gross profit percentage (margin) from revenue and cost of goods sold. Instantly see gross profit and margin % with this free calculator.
  • Margin on Selling Price Calculator
    Calculate gross margin as a percentage of selling price from cost and sale price. Also shows gross profit and markup on cost. Free and instant.
  • Percent of Salary Calculator
    Calculate what a given percentage of your salary equals. Enter your salary and a percent to instantly find the dollar amount and the remainder.
  • Loan-to-Value (LTV) Percentage Calculator
    Calculate your loan-to-value (LTV) ratio instantly. Enter your loan amount and property value to find the LTV percentage and your home equity.
  • Profit Margin and Markup Calculator
    Calculate profit margin, markup percentage, and gross profit from cost and selling price. Free, instant business pricing calculator for any currency.
  • Percent Needed to Recover After a Loss
    Find the percent gain needed to recover from a percentage loss. Enter your loss % and see the bigger gain required to break even again.
  • Continuous Compound Interest Calculator
    Calculate continuous compound interest with the formula A = Pe^(rt). Find the future value and total interest from principal, rate, and time instantly.
  • Overtime Pay Percentage Calculator
    Calculate overtime pay with any percentage uplift (time-and-a-half, double time). Enter hours, base rate and uplift % to see total OT pay and premium.
  • New Salary From Hike Percentage Calculator
    Calculate your new salary after a percentage hike. Enter your current salary and the raise percent to instantly see your revised pay and increase amount.
  • Simple Interest Percentage (Rate) Calculator
    Find the simple interest rate as a percentage from principal, interest earned, and time. Rate = (I / (P x T)) x 100. Free, instant, accurate.
  • 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.