New Hire Runway Impact Calculator
How many months of runway could your next hire cost you?
A single mis-timed hire can cost a seed or Series A company months of runway. Yet the decision to make that hire - is often made on gut feel about urgency. This tool enables you to visualize the actual cash arithmetic: the impact the hire would have on your runway, and your current team constraints.
How it works Read the 3 steps
Add your hire. Role, seniority, employment type, and pay. Employer taxes, benefits and recruitment costs are pre-filled for your country and fully editable. Contractors and fractional leaders are costed differently from payroll hires, because they are.
Add your cash position. Monthly burn and months of runway. Your runway chart renders immediately: cash remaining, month by month, before and after the hire.
Go deeper if you want to. Map your team, priorities and founder workload to unlock your Runway Ascent Score - a rating out of 10 for how well your hiring plan fits your gaps, your cash and your stage.
Your hire
Cost assumptions —
Your cash position
We do not record this information.
Undisclosed - the model uses a neutral benchmark here.
Undisclosed - the model uses a neutral benchmark here.
Your runway chart renders on the right: cash remaining month by month, before and after the hire.
Dive deeper → Team & priorities
Indicate up to 3 top priorities for the next 12 months, then pick the functions that matter most for reaching them and map who covers each.
Dive deeper → Founder bandwidth
How many hours a week you personally spend running each of these - the load a strong team would progressively take off you.
Dive deeper → Role clarity
Effort duplication creates churn and delays. Your read on current scope clarity.
Undisclosed - the model uses a neutral benchmark here.
Order a report calibrated to the exact operating context of your business.
The economic return case for your new hire, calibrated with deeper granularity to your operating context. Delivery meeting included.
New Hire ROI Report New Hire ROI CalculatorDiscovery calls are exploratory and free of charge.
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- Fully-loaded first-year cost
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- salary plus employer costs, recruitment, tooling and onboarding
- New runway
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- months after the hire
- Runway reduction
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- Annual run-rate added
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- recurring cost of the plan
- Monthly burn increase
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- added to your monthly burn
- Unwind in probation
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- notice-period pay committed
- Unwind after probation
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- notice-period pay committed
Download & share your results
A branded PDF you can circulate to your co-founder or investors: your month-by-month runway table, every cost assumption, your five score components and your recommendations.
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Assumptions and definitions used on this page
- Seniority tiers
- From individual contributor through to executive / C-suite. Seniority drives the fully-loaded cost — recruitment is weighted toward senior searches — and, in the score, how much of a functional gap the hire is expected to close. Pick the closest fit. Reviewed Sep 2026
- Employer on-costs
- One rate for everything the employer pays on top of base: payroll taxes and national insurance, pension contributions, and typical benefits and insurance. UK and US use current 2026 statutory + typical benefit loads; the EU figure is a working average across major markets. Each rate is applied flat to full base pay — secondary thresholds, wage caps and reliefs are not modeled, so treat the figure as a planning estimate rather than an exact payroll liability. Shown as editable defaults — adjust them to your own payroll numbers. UK employer NI (HMRC, 2026) ↗US employer payroll taxes (IRS/SSA, 2026) ↗ Reviewed Sep 2026
- Recruitment agency fee
- The one-off fee paid to a recruitment agency to fill the role, as a share of base salary, booked in the month the hire starts. Set it to zero if you hire direct. The default is weighted by seniority: a leadership search costs materially more than a junior hire. Contractors and fractional leaders carry a lighter engagement cost; agency hires carry a placement fee. Talent Ascent working assumption — no published benchmark applied Reviewed Sep 2026
- Why cost is shown over time
- The agency fee is front-loaded; salary, on-costs and enablement recur monthly; the bonus or commission lands in the months it is payable. We book each cost in the month it lands so the runway figure reflects the real cash path, not an average. Reviewed Sep 2026
- Enablement cost
- The recurring monthly cost of equipping the seat: software licenses and seats, a laptop and equipment amortized, office desk or coworking cost, and any per-head tooling. It excludes salary, on-costs and the agency fee. The default is a working assumption; enter your own figure. Talent Ascent working assumption — no published benchmark applied Reviewed Sep 2026
- Probation & notice
- The employment contract terms that decide how quickly you can unwind the hire if it is not working out. The tool seeds a default starting pattern - a 3-month probation with 1 week of notice inside it and 1 month after assumed 3-month probation term. Statutory minimums and market norms vary by country, so enter the terms used in your actual employment contract. The unwind figures show the pay and employer costs you remain committed to for the notice period. Reviewed Sep 2026
- Funding stage
- Sets the benchmark the score judges you against. A founder personally running several functions is normal at pre-seed and a finding at Series B, so the score’s tolerance for founder involvement and coverage gaps scales with the stage you select. Leaving it undisclosed uses a neutral benchmark and reduces accuracy. Reviewed Sep 2026
- Runway Ascent Score
- A rating out of 10 for how well the plan fits your gaps, your cash and your stage, from five components: functional-gap severity, founder-hours dependency, runway consumed, whether the first hire attacks the biggest gap, and ownership clarity. Assessed against stage-appropriate benchmarks for runway, team size and fundraising timelines — your funding-stage selection scales what counts as over-involvement or a gap. This score is a rule-based indicator built from the dimensions and weights shown; it is not an outcome-validated prediction, and no observed-outcome validation is claimed for it. Carta, State of Startup Compensation H2 2025 - team size by stage ↗Carta, seed-to-Series A graduation rates ↗The safe-runway anchor and the fundraising duration behind it are Talent Ascent working assumptions drawn from published guidance. Reviewed Sep 2026
Free report results are estimates only. This self-service tool produces illustrative estimates from the figures you enter and generalized assumptions. It does not constitute formal financial, legal, tax, accounting or HR advice. Use of this tool is subject to our Website Terms.
Disclaimers
About these figures. This self-service calculator tool is a directional planning aid only, not a financial instrument. Outputs are estimates generated from the inputs you provide together with generalized benchmarks and working assumptions. Figures marked as working assumptions are our own planning estimates and are not drawn from a published dataset. Employer tax and benefit rates are applied as flat planning rates and do not model statutory thresholds, caps, reliefs or any individual’s actual payroll liability.
Nothing on this page constitutes professional, financial, legal, tax, accounting, investment or HR advice, and no client, advisory or fiduciary relationship arises from your use of this tool. Actual outcomes will differ, and any scenario or range shown is a modeling parameter rather than a prediction, a floor or a ceiling.
We give no warranty as to the accuracy, completeness or fitness for purpose of any output, and we accept no liability for decisions taken in reliance on it. Nothing in this notice limits liability that cannot lawfully be limited. Use of this tool is governed by our Website Terms, and personal data submitted through it is handled in line with our Privacy Policy.
New Hire ROI Report
Modeling when your new hire will pay for itself: the employee unit economics.
New Hire ROI ReportThe calculator scores the plan. Getting the hires right is the harder part.
Seeing the runway cost is one thing. Making the right hire, in the right order, at the right time is what actually protects your cash.
You need the hiring engine fixed, fast.
Embedded talent leadership that runs your hiring end to end, then hands you a system that keeps working.
Fractional Talent LeadershipYou want to know what's broken first.
A structured diagnostic of your current hiring - where the gaps are and what they cost you.
Hiring System AuditsHow does Talent Ascent calculate the runway impact of a hire?
The runway impact model of a new hire is based on its cost, month-by-month, set against your runway cash. Base pay is one cost component of the hire; employer taxes, benefits, recruitment costs, tooling fees, and onboarding are the rest.
01 How does Talent Ascent calculate the full cost of a hire?
Statutory rates
The model adds employer taxes, benefits, recruitment, tooling, and onboarding to base pay to give a fully-loaded cost illustration. It applies the treatment that matches the engagement type you select: payroll hires carry employer taxes and benefits; contractors and fractional roles - where you are invoiced based on day rates - do not. Rates are seeded from the country you select, and rate inputs are editable. The New Hire Runway Impact Calculator tool models what it costs your business to run the role.
Assumptions & Sources
- Rates are applied flat to base pay; statutory thresholds, caps, reliefs, and off-payroll (IR35) rules are not modeled.
- The EU default is a working average across major markets and is the field most worth replacing with your own rate, since employer social contributions vary widely between member states.
- The seniority weighting on recruitment is a Talent Ascent working assumption.
- UK employer National Insurance: HMRC, 2026
- US employer payroll taxes: IRS/SSA, 2026
02 How does Talent Ascent model cost spread across months?
Time-phased cash
Each cost is booked in the month it falls rather than averaged across the year: recruitment and onboarding are front-loaded, salary and employee add-on costs recur monthly. That is what makes the early cash dip visible - the part of the profile that decides whether a plan fits inside the runway you have. If you wish to explore a visual model of the return a new hire generates, try the Talent Ascent New Hire ROI Calculator tool.
Assumptions & Sources
- Revenue and other spend are held constant, which isolates the effect of this hire.
03 How does Talent Ascent calculate the commitment on exit?
Notice-period model
The model prices the pay commitment if the hire does not work out and the engagement is terminated: pay and employer costs across the notice period, shown separately inside and after probation (if the notice period changes after the new hire passes probation). Probation and notice terms are editable to match the particular employment contract terms for your business for the role.
Assumptions & Sources
- The default pattern is a 3-month probation with 1 week of termination notice, rising to 1 month of termination notice after probation - a default pattern, not a statutory minimum or a market benchmark.
- Statutory redundancy and any further exit exposure are not modeled.
04 How is the Runway Ascent Score calculated?
Ascent Score
The Runway Ascent Score is a 0–10 reading of how well a hiring plan fits your gaps, your cash, and your stage. The benchmark scales with the funding stage you select, so the same plan reads differently at pre-seed and at Series B. Each component ships with its own sub-score, and it scores a plan against your inputted cash position, not against an individual hire. It is built from five weighted components:
- Functional coverage - how exposed the uncovered functions are
- Founder dependency - how much execution still runs through the founder
- Runway fit - what share of remaining cash the plan spends
- Hiring sequence - whether the hire you are planning tackles the largest gap
- Role clarity - how clearly each function is owned today
Assumptions & Sources
- This score is a rule-based indicator built from the dimensions and weights shown; it is not an outcome-validated prediction, and no observed-outcome validation is claimed for it.
05 How are the used benchmarks sourced?
Benchmark sources
Stage context - team size and typical time between rounds - is drawn from published startup market data. Cost defaults follow current statutory rates at the last time of review published for the calculator, where they exist. The runway the score treats as safe is anchored on the time a raise takes to close, plus a buffer.
Assumptions & Sources
- The underlying dataset is predominantly US-based, and covers companies on the Carta platform rather than the whole market.
- The safe-runway anchor and the fundraising duration behind it are Talent Ascent working assumptions drawn from published guidance.
- Carta, State of Startup Compensation H2 2025 - team size by stage
- Carta, seed-to-Series A graduation rates
Assumptions last reviewed .
Three analytical views of the same decision
Same role benchmarks, three free tools. You're in the New Hire Runway Impact Calculator. The others model the same hire from acquisition cost and return perspectives.