Percent, Percentage Calculator

4 Percent allows you to calculate percentages - simple percentage calculator - percentage increase/decrease - tip calculator - Price vs. quantity calculator - discount calculator Business calculators - markup & margin calculator - compound interest - cumulative growth - VAT - Sales tax Percentage Calculator is useful in many situations: - school (math, statistics, algebra) - business and finance (markup, profit margin, cumulative growth, compound interest). - shopping (discounts, comparison of two products that differ in quantity) - cooking (ingredients are often shown in percentages) - health (BMI index, fat percentage in food)