Number Utilities

Convert, format, and calculate numeric values quickly.

7 tools

  • Discount Calculator Calculate the sale price and how much you save from a percentage or fixed-amount discount.
  • Margin Calculator Calculate gross margin percentage, gross profit, and markup from cost and selling price.
  • Markup Calculator Find markup percentage from cost and selling price, or set a price from a target markup. Shows profit and margin too.
  • Percentage Calculator Calculate percentages, percentage change, and percentage of totals.
  • Scientific Calculator Free scientific calculator for students: order of operations, trig, logs, powers, roots, factorials, constants, memory, and history. Runs in your browser.
  • Tax Calculator Add sales tax or VAT to a price, or work backwards from a tax-inclusive total, and see the tax amount.
  • Tip Calculator Calculate the tip and total bill, and split the cost between any number of people.