Gross Margin 38. Here is the formula for contribution margin ratio CM ratio. I Found This Formulae Very Helpful It Shoes Four Different Ways Of Calculating Degree Of Operating Leverag Contribution Margin Financial Management Fixed Cost Only 36 cents remains to cover all non-operating expenses or fixed costs. . We can represent contribution margin in percentage as well. Gross Profit Margin Calculator. The ratio is also shown in percentage form as follows. The contribution margin is the amount of money a business has to cover its fixed costs and contribute to net profit or loss after paying variable costs. A mobile phone manufacturer. Alternatively it is known as the contribution to sales ratio or Profit Volume ratio. For the year ended. The contribution margin is 6000 - 1000 5000. Gross Profit Margin Formula Table of Contents Gross Profit Margin Formula. Provided the fixed costs of your bus