How to Calculate Unit Labor Cost
Unit labor cost equals the hourly wage divided by output per hour, so a high-wage producer can still undercut a low-wage rival when its workers turn out enough per hour.
The Unit Labor Cost formula
Calculator
Enter a wage, output per hour and a rival's figures to get unit labor cost and see who is cheaper per unit.
Total hourly compensation, including benefits and payroll taxes.
Units produced per hour worked, which is labor productivity.
What the competing producer pays for an hour of work, in the same currency.
The rival's productivity. Low wages abroad usually come with low output per hour.
Each finished unit carries $3 of labor cost, which is the figure a buyer comparing suppliers actually cares about.
- The rival's unit labor cost
- $4
- Cost gap against the rival
- 25%
- Wage ratio (home ÷ rival)
- 3
- Productivity ratio (home ÷ rival)
- 4
- Who is cheaper per unit
- Home producer
The competing producer carries $4 of labor cost per unit, whatever its hourly wage looks like on its own.
Labor cost per unit sits 25% below the rival's, and that gap, not the wage gap, decides where orders go.
Hourly pay is 3 times the rival's, which is the number that gets quoted when people argue about cheap foreign labor.
Output per hour is 4 times the rival's, and cost per unit only rises when the wage ratio runs ahead of this one.
A high-wage producer stays competitive as long as its productivity lead is larger than its wage gap.
How to calculate Unit Labor Cost, step by step
- 1Add up hourly compensation. Use total pay per hour, including benefits and payroll taxes, since all of it is what one hour of work costs the employer.
- 2Work out output per hour. Divide total output by total hours worked. Output per hour rather than output per worker keeps longer shifts from passing as higher productivity.
- 3Divide pay by productivity. Unit labor cost = wage per hour ÷ output per hour, which is the labor cost carried by one finished unit.
- 4Convert to a common currency before comparing. Two countries only compare once both figures sit in the same currency, so a depreciation can cut a country's unit labor cost without anything changing on the factory floor.
- 5Compare growth rates, not just levels. Unit labor cost rises only when pay grows faster than output per hour. Pay and productivity growing together leave cost per unit flat.
Worked example: Unit Labor Cost
A home factory pays $24 an hour and each worker turns out 8 units an hour, so unit labor cost = 24 ÷ 8 = $3 per unit. A low-wage rival pays $8 an hour but each of its workers turns out only 2 units an hour, so its unit labor cost = 8 ÷ 2 = $4 per unit. The home factory pays three times the wage and is still 25% cheaper per unit, because it is four times as productive. Now let home pay climb to $40 an hour while output per hour stays at 8: unit labor cost = 40 ÷ 8 = $5, above the rival's $4, and the advantage is gone. That is the squeeze the middle-income trap describes, wages rising past what productivity supports while the technology to compete higher up the value chain is not there yet.
Unit Labor Cost questions
Do higher wages always make a country less competitive?
No. Only pay that outruns output per hour raises cost per unit. A country that doubles wages while doubling output per hour ends up with exactly the unit labor cost it started with, which is why productivity growth is what lets living standards rise without pricing exports out.
How does unit labor cost explain the middle-income trap?
A country escapes low income by exporting labor-intensive goods, and success pushes wages up. Once wages pass what its productivity supports, its unit labor cost sits above poorer rivals while its research, brands and institutions still trail richer ones, so it is squeezed from both sides and stalls.
Should you use output per worker or output per hour?
Output per hour. Output per worker rises whenever everyone works longer shifts, and longer shifts do not make an hour of labor any cheaper per unit produced.
Is unit labor cost the same as average variable cost?
No. Unit labor cost counts only labor, while average variable cost counts every input that varies with output, including materials and energy. Unit labor cost is the largest piece of average variable cost in most labor-intensive production, not the whole of it.
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