Prime costs are the sum of straight material and direct labor. Here’s just how to calculate and interpret prime costs in your small business.


Prime costs sum direct material and also direct labor, conversely, conversion prices sum manufacturing overhead and direct labor.

You are watching: Prime costs consist of direct labor and factory overhead.

How to calculate prime costs

Before you calculate prime costs, identify all 3 product costs: straight material (DM), direct labor, and manufacturing overhead.

1. Calculate direct materials

The first element of the prime cost calculation is straight materials, which include the physical parts that make up your product.

A woodworker production a chair would certainly count lumber and also fabric as direct materials. Other products used in manufacturing that don’t finish up in the final product — such together the gloves, goggles, and also masks for the woodworker — are taken into consideration indirect materials and are part of manufacturing overhead.

To calculate direct material offered in production, use this formula:

Beginning DM perform + DM purchase - finishing DM perform = direct Material Used

2. Calculate straight labor

The next facet to calculation is straight labor, or the compensation of manufacturing facility workers.

There’s no labor expense formula every se, but follow this rule: direct labor excludes salary for civilization who no directly involved in work-related on the making or offering the product. Don’t count Supervisors, janitors, or other workers who weren’t placing your product together.

For example, a woodworker’s incomes are considered direct labor, however a supervisor’s pay is indirect labor and also would be component of manufacturing overhead.

Direct labor includes the adhering to forms of compensation:

Hourly wagesSalaried wagesSales commissionsBenefitsBonusesEmployer payroll taxes

Time-tracking software can help you determine just how much time employees invested manufacturing details products. Amount the manufacturing workers’ revenue to determine direct labor.

3. Sum direct materials and also direct labor

The prime expenses formula sums direct labor and also direct material.

Direct labor + straight Material = element Costs

Example of prime costs

James own Snack Shack, a small beachfront restaurant in Miami. He’s trying to find an investor who can carry out some capital to revolve the the end patio right into the ideal lunch spot prior to next feather break.

A seasoned organization owner, James knows investors will ask about prime costs, a metric restaurateurs regularly use together a proxy for financial wellness when contrasted to sales. Let’s calculate his business’s prime prices for the last calendar year.

1. Calculate straight materials

Start by including up direct materials. Because that a restaurant, it is ingredients, beverages, and also other products that end up in former of the customer.

Reusable tableware isn’t taken into consideration direct material; as a general rule, straight material should be miscellaneous the customer can (legally) leave with. However, the little record umbrellas the adorn every cocktail space counted as direct material because they’re disposable garnishments.

The company"s accounting software mirrors the complying with inventory data.

Snack Shack offered $400,000 in direct materials critical year ($15,000 start inventory + $395,000 purchased list - $10,000 finishing inventory).

2. Calculate straight labor

Servers, cooks, hosts, and also bussers are the straight laborers in ~ a restaurant. Include up their wages, bonuses, overtime pay, employee payroll taxes, and healthcare benefits.

The restaurant’s worker revenue data is below.

surname job Restaurant compensation advice
Rhonda Waiter $15,000 $22,000
Jose Waiter $15,000 $22,000
Amelia chef $40,000 $0
James Owner $50,000 $0

Snack Shack’s straight labor cost is $70,000 ($15,000 Rhonda’s wages + $15,000 Jose’s wages + $40,000 Amelia’s wages). Since James doesn’t chef or serve, his revenue don’t count in the direct labor calculation.

Don’t encompass tips in the straight labor calculation since your employee earned them at no price to the business.

3. Sum direct materials and also direct labor

Snack Shack’s prime expenses are $470,000 ($400,000 straight materials + $70,000 direct labor).

Now that James to know his prime costs, he can move on to calculating the restaurant’s benefit margin, pistol margin, and prime prices to sales ratio.

See more: How To Troubleshoot The Ford Taurus Window Wont Go Up Diagnosis

You’ve to be primed

Prime cost audit can assist you decision on a product’s offering price or even if it is to fall a product heat in favor of a lower-cost alternative. However, looking at your prime costs is simply one means to analyze your business’s jae won performance. Examine out a host of various other financial audit ratios you have the right to use come take your financial analysis to the following level.