Headcount Planning Calculator - Forecast Your Workforce and Labour Costs Instantly

Calculate how many people you need to hire, model attrition-adjusted headcount, and forecast total labour costs for your planning period. Built for HR leaders and finance teams. 100% free - no sign-up required.

Free Forever - No credit card needed
Multi-department planning supported
Attrition-adjusted hiring forecast
Instant Results - No email required

How to Use the Headcount Planning Calculator in 3 Steps

Step 1

Enter Current Workforce Data

Add your current headcount, open roles, annual attrition rate, and any confirmed planned departures for the period.

Step 2

Set Your Growth Targets

Enter your target headcount at the end of the planning period and optionally your planned revenue to unlock productivity metrics.

Step 3

Get Your Headcount Plan

Instantly see your net hiring requirement, attrition-adjusted total hires needed, projected labour cost, and a full breakdown of your workforce gap.

Headcount Planning Calculator

Forecast hiring needs, model attrition-adjusted headcount, and project total labour costs.

USD ($)

Section A - Current Workforce Data

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Section B - Growth and Planning Targets

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Full Year

Section C - Cost and Financial Inputs (Optional)

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Ready to build your headcount plan?

Enter your workforce data above and click Calculate Headcount Plan for an instant attrition-adjusted forecast.

How Is Headcount Planning Calculated?

Headcount planning is calculated by identifying the gap between current and target workforce, then adjusting for projected attrition and known departures. Step 1: Projected Attrition = Current Headcount x (Attrition Rate / 100) Step 2: Headcount Gap = Target Headcount - Current Headcount Step 3: Total Hires Required = Headcount Gap + Projected Attrition + Planned Departures Step 4: Total Labour Cost = Target Headcount x Avg Cost Per FTE x (1 + Uplift %) Revenue Per Employee = Total Annual Revenue / Total Headcount Labour Cost as % of Revenue = (Total Labour Cost / Total Annual Revenue) x 100

What Is a Healthy Attrition Rate for Headcount Planning?

Average annual voluntary attrition rates typically range from 10% to 20% across most industries (SHRM / Gartner). Technology and retail sectors often experience higher attrition. Labour cost as a percentage of revenue typically ranges from 15% to 35% for most organisations. - Below 10%: Low attrition - stable workforce, lower replacement hiring needed - 10%-20%: Average - model both scenarios for a robust plan - Above 20%: High attrition - significant replacement hiring required; retention strategy needed

❓ FAQ

Frequently Asked Questions

Headcount planning is the process of forecasting how many employees an organisation needs - broken down by role, function, and location - to meet its business objectives over a defined period. It combines workforce demand forecasting with budget modelling, attrition analysis, and recruitment planning to ensure the right number of people are in the right roles at the right time.

Headcount Planning Calculator | Free HR Tool | NextinHR