Find how many units you must sell — and how much revenue you need — to cover your costs.
Break-even units = fixed costs ÷ (price per unit − variable cost per unit). Break-even revenue = break-even units × price.
Work out profit, margin and markup from cost and selling price.
Convert between major world currencies with live exchange rates.
Calculate monthly loan instalments, total interest and total repayment.
Add a tip and split any bill evenly between friends.