Percentage Calculator

Everyday calculations
* simple percentage calculator (5 percent of 40 is 2)
* percentage increase/decrease (5 percent decrease from 40 is 38)
* tip calculator
* discount calculator
* convert fractions to percentages (5 / 20 is the same as 25 percent)

Business calculators
* markup
* profit margin
* VAT
* Sales tax
* a powerful trader''s calculator (VAT or sales tax, net cost, gross cost, markup/profit margin, my net price, my gross price and profit all in one calculator)
* compound interest
* loan payment
* cumulative growth
* Compound Annual Growth Rate (CAGR)
* inflation
* doubling time (rule of 72)

Percentage Calculator''s strongest feature is that any value can either be a source or result of a calculation - just enter the values you know and it will tell you the remaining ones!

Percentage Calculator is useful in many real-life situations:
* school (mathematics, statistics, algebra)
* business and finance (markup, profit margin, profit, loan payments, cumulative growth, inflation, doubling time, investment return rate, loan interest rate, company profits changes)
* shopping (discounts, comparison of two products that differ in quantity)
* tipping
* cooking (ingredients are often shown in percentages)
* health (body mass index, fat percentage in food)