Free ForeverNo SignupHiring PlanUpdated 2026

Headcount Planning Calculator

Calculate exactly how many people you need to hire — and when — to hit your business targets.

Headcount planning aligns team growth to business targets. Start from your revenue or output goal, divide by target productivity per person, and account for ramp time. Hiring too early wastes capital; hiring too late creates bottlenecks. The goal is just-in-time hiring with a 1–2 quarter lead time.

Target Annual Revenue

Revenue goal for the planning period

Target Revenue Per Employee

How much revenue should each employee generate

Current Headcount

Current full-time equivalent employees

Expected Attrition Rate

Annual turnover rate (% of team that leaves)

Avg Ramp Time (Months)

Months before new hires reach full productivity

The Formula

Target HC = Revenue ÷ Revenue/Employee. Net Hires = Target − Current + (Current × Attrition%)

In plain English

Target headcount = target revenue / revenue per employee. Net hires = target − current + attrition backfills.

Worked Example

$5M ÷ $250K = 20 target HC. 20 − 15 + 2 attrition = 7 net hires needed.

How to Build a Headcount Plan

Start with the revenue or output target. Work backwards through your productivity assumption (revenue per employee) to get a target headcount. Then layer in attrition and ramp time to get gross hires needed.

The critical assumption is revenue per employee. Be realistic: early-stage hires often have lower initial productivity and roles like engineering don't directly generate revenue but enable product that does. Model by function.

2–3 quarters

Lead time for senior hiring

1 quarter

Lead time for standard roles

3–6 months

Typical new hire ramp period

15–20%

Standard annual attrition budget

Headcount Planning Benchmarks (2026)

Stage	Revenue/Employee	Attrition Assumption	Ramp Time
Seed	$100–200K	10–15%	1–2 months
Series A	$200–350K	12–18%	2–4 months
Series B	$300–500K	12–15%	3–6 months
Scale-up	$400–700K	10–12%	3–9 months

Source: Bessemer Venture Partners Atlas 2025 · Carta Headcount Benchmarks 2024

Common Mistakes

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Hiring to headcount, not to outcomes

Never hire because "we should have X people at this stage." Hire because a specific bottleneck prevents you from hitting a specific goal. Be precise about which constraint each hire removes.

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Not accounting for management overhead

Each new hire creates work: onboarding, 1:1s, performance management. A manager's capacity to effectively manage tops out at 6–8 direct reports. Plan for management headcount alongside individual contributors.

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Ignoring the ramp period in revenue planning

A sales rep hired in Q1 won't be at full productivity until Q3 or Q4. Build ramp time into revenue projections — otherwise your hiring plan appears sufficient but your targets still get missed.