Percentages and discounts

Percentages and discounts: percentages, discounts, sales tax and splitting the bill.

• Percentage CalculatorCalculate X percent of a number, what percentage one number is of another, or the percentage increase or decrease from an old value to a new one.
• Sales Tax CalculatorAdd or remove state and local sales tax at any rate: see the tax amount and the price with and without tax.
• Discount CalculatorSee what you pay after a discount and how much you save, or work back from a sale price to the original price.
• Tip CalculatorCalculate the tip and what everyone pays when you split the check. Each share is rounded up to an amount that is easy to pay.