Emergency Medical Service Break-Even: About $75K/Month

Fixed costs $63.5K/mo Readiness base

Contribution margin 85% After variable costs

Break-even revenue $74.6K/mo Monthly target

Break-even timing Month 1 Launch month

Break-even calculator

Use this to test monthly revenue, variable costs, and fixed costs against break-even for an emergency medical service.

Lean Base Full

Monthly revenue Revenue is the cash that covers direct costs and overhead. $ Low volume High volume Variable expenses These are the costs that move with call volume and billings. $ Tight costs Heavy costs

Money available to cover fixed costs $463,675 $545,500 revenue - $81,825 variable expenses

Margin ratio

85%

Covers fixed costs

Yes

Fixed monthly costs These are the monthly costs you pay even when volume is thin. $ Lower base Higher base

Break-even chart Revenue Total costs

Which Emergency Medical Service expenses are fixed, and which move with call volume?

Cost classification

Break-even only works if readiness spending stays separate from call-driven spending. In the first operating year, the model carries $29,700 in fixed monthly overhead plus $33,750 in core admin payroll before variable call costs.

Expense	Cost	Break-Even Treatment	Common Mistake
Facility Rent (Stations & Office)	Fixed	Use $15,000 per month as a readiness expense.	Tying rent to call volume.
Dispatch & Communication Software	Fixed	Use $3,500 per month before any calls are run.	Treating core dispatch tools as per-call spend.
General & Professional Liability Insurance	Fixed	Use $2,500 per month in the break-even base.	Leaving required coverage out of monthly overhead.
Operations Manager and Core Admin Payroll	Fixed	Use $33,750 per month in the first year.	Counting salaried support roles as variable labor.
Clinical Coverage Staffing	Semi-fixed	Schedule coverage before revenue arrives, then add capacity in staffing steps.	Treating standby coverage like pure variable spending.
Medical Supplies & Pharmaceuticals	Variable	Use 6.0% of revenue in the first year.	Modeling supplies as a flat monthly line.
Fuel & Vehicle Maintenance (Direct)	Variable	Use 4.0% of revenue in the first year.	Ignoring higher usage as transports rise.
Billing & Collections Fees	Variable	Use 3.0% of revenue in the first year.	Forgetting fees scale with billed volume.

How does break-even shift from a lean launch to full EMS coverage?

Scenario table

As coverage scales, variable costs drop from 15% to 11% while fixed costs rise, but contribution margin stays strong. So break-even stays far below monthly revenue in all three cases.

Planning assumptions only; actual break-even will move with call mix, staffing, and collections timing.

Scenario	Monthly Revenue	Variable Costs	Fixed Costs	CM Ratio	Operating Profit	Break-Even Signal
Lean launch (Year 1)	$2,338,950	$350,843	$63,450	85%	$1,924,658	Strong cushion, but launch volume still needs tight control.
Base growth (Year 3)	$6,389,800	$830,674	$84,700	87%	$5,474,426	Best planning anchor; overhead is covered with room to grow.
Full coverage (Year 5)	$12,620,800	$1,388,288	$95,117	89%	$11,137,395	Largest cushion; fixed costs are easiest to absorb here.

What pressure points can break this emergency medical service break-even plan?

Stress test

Break-even is easy in the base plan, but the cushion shrinks fast if call volume drops, another full-time role gets added, or variable costs creep up in supplies, fuel, billing, and overtime. Month 1 cash is still the tighter watchout.

Stress Case	Changed Assumption	Break-Even Revenue	Revenue Gap	Risk Signal
Current plan	No change.	$74,647	$2,264,303 cushion	Break-even is covered, but Month 1 cash still needs close watch.
Revenue shortfall	Revenue falls 20% while costs hold.	$74,647	$1,796,513 cushion	Lower call volume cuts the cushion fast, even before costs move.
Fixed-cost increase	Add the Training & Compliance Officer at 1.0 FTE.	$81,509	$2,257,441 cushion	One extra full-time role lifts the monthly floor by about $6.9k.
Margin pressure	Variable expenses rise 1 point of revenue, cutting margin to 84%.	$75,536	$2,263,414 cushion	Small supply, fuel, billing, or overtime creep raises the floor.
Combined pressure	Revenue falls 20%, add the Training & Compliance Officer at 1.0 FTE, and margin slips to 84%.	$82,480	$1,788,680 cushion	Lower volume, added staffing, and margin drag cut the cushion fast.

What should the founder verify before committing to the ambulance fleet and station build?

Founder checklist

Before you sign, prove the first-year build and staffing can carry the model. The plan only works if the $1.795M launch capex, $63.5K monthly fixed load, and Year 1 crew are in place before the first vehicles roll.

1Launch Capex$1.795M

Verify the full opening spend across fleet, equipment, dispatch setup, office IT, radios, upfitting, initial stock, and software before you commit cash.

2Cash Cushion$1.179M

Hold at least the modeled minimum cash, because Month 1 carries the biggest setup hit while collections and steady volume are still building.

3Fixed Load$63.5K/mo

Check that $29.7K of monthly overhead plus about $33.8K of Year 1 salaried payroll can be covered before you add variable care costs.

4Margin Mix85% before payroll

Verify supplies, fuel, billing, and overtime stay near the modeled 15% of revenue so the remaining margin can absorb payroll and rent.

5Crew Ramp10/8/4/3/2

Lock Year 1 staffing at 10 ALS paramedics, 8 BLS EMTs, 4 interfacility RNs, 3 event medics, and 2 critical care paramedics, with 0.5 FTE medical director coverage.

6Go-Live Gate395 treatments/mo

Do not launch until dispatch, billing, fleet logistics, insurance, state certification path, supplies, and response coverage are ready and the first-year volume can support 120 ALS, 130 BLS, 90 interfacility, 15 event, and 40 critical care treatments a month.