Calcipedia

Full-Time Equivalent Calculator

Convert full-time, part-time, and other straight-time hours into a single FTE figure, then review annual hours, headcount per FTE, and target-staffing support.

Last updated

Also in HR & Payroll

Absence Percentage Calculator Attrition Rate Calculator Churn Rate Calculator Labor Cost Calculator Turnover Rate Calculator
← All HR & Payroll calculators

HR Planning

Full-time equivalent calculator guide: headcount to FTE, annual staffing hours, and target-capacity planning

A full-time equivalent calculator turns mixed full-time and part-time schedules into one comparable staffing figure. That is useful when headcount alone is misleading because one team may have more people on payroll but fewer straight-time hours available than another.

What FTE is measuring

FTE expresses staffing capacity in full-time units instead of people. One full-time employee working the standard schedule counts as 1.00 FTE, while two half-time employees together also count as 1.00 FTE.

That makes FTE a better planning denominator than raw headcount when you need to compare teams, service coverage, workload capacity, or productivity across mixed schedules. It is especially helpful when some of the workforce is part-time or when casual hours are used to close gaps.

The formula behind the result

This calculator starts with the full-time weekly standard you enter, then converts part-time and other straight-time hours into the same unit. Weekly hours are then annualized using the working weeks entered so you can compare total annual staffing capacity as well as the weekly FTE figure.

The target FTE input converts a staffing goal back into hours. That allows the calculator to show whether the current schedule mix is above or below plan and how many extra straight-time hours would be needed to close a staffing gap.

Part-time FTE = (Part-time employees x Average part-time hours per week) / Full-time hours per week

Converts part-time schedules into the same weekly basis as one full-time employee.

Total FTE = Total weekly straight-time hours / Full-time hours per week

The combined weekly staffing capacity expressed in full-time units.

Worked example: 18 full-time and 12 part-time employees

Suppose a team has 18 full-time employees on a 40-hour week, 12 part-time employees averaging 20 hours, and another 15 straight-time hours of casual coverage each week. Total weekly straight-time hours are 975, which converts to 24.38 FTE.

If the annual staffing target is 25.00 FTE, the team is short by 0.62 FTE. On the same 40-hour basis, that means about 25 additional straight-time hours per week would be needed to reach the target.

Why FTE still needs context

FTE is a staffing-capacity measure, not a complete employment-definition test. Legal full-time status, benefit eligibility, overtime rules, and collective-agreement terms can all use different thresholds from the planning standard used here.

It is also important to keep the denominator consistent. If one report uses a 40-hour week and another uses a 37.5-hour week, the FTE figures are not directly comparable until the basis is aligned.

Further reading

Frequently asked questions

Why is FTE different from headcount?

Headcount counts people, while FTE counts staffing capacity in full-time units. A team can have a high headcount but a lower FTE figure if many of those workers are part-time.

 Does overtime increase FTE in this calculator?

No. This planner is based on straight-time hours because that keeps the FTE denominator consistent. Overtime can matter operationally, but it is usually better treated separately from baseline FTE capacity.

 Why do working weeks per year matter?

They affect the annual-hours view. The weekly FTE figure stays the same, but annual hours change if your planning year assumes fewer paid weeks because of shutdowns, unpaid leave, or seasonal operations.

 Can I compare FTE across teams with different full-time standards?

Only if you first align the basis. A 35-hour full-time standard and a 40-hour full-time standard will produce different FTE figures from the same raw hours.

Related

More from nearby categories

These related calculators come from the same leaf category, nearby sibling categories, or the same top-level topic.

Labor Cost Calculator

Calculate loaded labor cost from hourly pay or annual salary, then layer benefits, payroll taxes, and overhead to review annual, monthly, and hourly team cost.

Open calculator

Turnover Rate Calculator

Calculate employee turnover rate from separations and average headcount, then review retention, replacement pressure, annualized turnover, and target-separation support.

Open calculator

Attrition Rate Calculator

Calculate attrition rate from employee leavers and average headcount, then review retention, replacement needs, annualized attrition, and target-leaver support.

Open calculator

Absence Percentage Calculator

Calculate absence percentage from days absent and total working days, then review attendance rate, days present, and target-absence support for the period entered.

Open calculator

Privacy choices

If you allow analytics, we may use Google Analytics and Microsoft Clarity to better understand how the site is used. Analytics remain off unless you accept.