Profit margin calculator
Calculate profit margin, markup and profit per unit from cost and selling price, or find the price that hits a target margin. Free, no sign-up.
Calculators
Free business calculators
Quick calculators for pricing, profit and stock decisions. Everything runs on your device; the numbers you enter are not stored.
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VAT and sales tax calculator
Add VAT or sales tax to a net price, or work out the tax inside a gross price. Enter your own rate; free, no sign-up, nothing sent anywhere.
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Discount calculator
Work out the sale price after a percentage or fixed discount, stack a second discount and see the margin you keep. Free, no sign-up.
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How much do I need to sell?
Find how many units and how much revenue you need to cover fixed costs, from price, variable cost and fixed costs. Free, no sign-up.
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When should I reorder?
Work out when to reorder a product from daily sales, supplier lead time and safety stock, and see how many days your current stock will last.
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How fast does my stock sell?
Calculate how many times your stock turns over in a period and how many days goods sit on the shelf, from cost of goods sold and average inventory.
Track stock, customer balances and cash in one place
GiroPS runs on Android, iOS and the web. Start free and move to a plan as your business grows.