What does one completed nail appointment contribute?
Illustrative case · Leased employee-operated nail salon; no booth rentals · New York State outside NYC, Long Island and Westchester; no particular city/site
Explore this business · Unit economics and KPIs
The chosen service mix averages $78.00 revenue, $5.70 supplies and $70.34 contribution per completed booking after blended payment fees. Each booking consumes 63 technician minutes including turnover. Four paid technicians provide about 523.0 theoretical mixed-service booking slots per month, before booking utilization and lost appointments.
Illustrative New York State case outside New York City, Long Island and Westchester; no particular city or property. Four licensed employee technicians, four manicure and four pedicure stations, leased retained-salon premises, paid owner-manager. No booth rental, retail, acrylic extensions or intricate nail art. Assumed opening January 2027; figures are USD.
Define the booking and its full time block
A booking is one paid classic, gel, spa-pedicure or sequential combo appointment. It is not a pair of hands, a chair-hour or one person walking in. The combo covers two treatments with one technician moving sequentially. Turnover adds 15 minutes for cleaning, room reset and handover. Confirm that the chosen product contact times and actual workflow fit this allowance; it is not permission to shorten sanitation.
New York sanitation and footbath rules.
Unpaid lost appointments consume scheduled time but no revenue or supplies. A future observed rebooking rate could improve this conservative assumption; the current case makes no such claim.
Contribution first; fixed payroll afterwards
| Booking | Receipt | Supplies | Blended payment fee | Contribution | Full block |
|---|---|---|---|---|---|
| Classic manicure | $45.00 | $3.00 | $1.19 | $40.81 | 45 min |
| Gel manicure | $70.00 | $5.00 | $1.77 | $63.23 | 60 min |
| Spa pedicure | $80.00 | $6.00 | $2.01 | $71.99 | 60 min |
| Manicure + pedicure | $120.00 | $9.00 | $2.94 | $108.06 | 90 min |
Blended fees = 90.0% × (receipt × 2.6% + $0.15). Square Free US card-present reference uses that rate and per-payment fee for domestic in-person payments; other payment channels need their own cost. One payment per completed booking and card share are assumptions.
For a gel booking, $70.00 less $5.00 supplies and $1.77 blended fees leaves $63.23. The contribution must still pay the $22.00 hourly roster, employer burden, owner labor and overhead. Staff time is paid even when a gel slot is empty; it is not deducted both here and in fixed payroll.
Eight station positions do not create eight workers
Paid technician hours = 4 × 36 × 52 ÷ 12 = 624 hours monthly. The 88.0% block-availability factor leaves 549.1 hours after breaks and nonbooking duties. Cleanup is inside each block, so it is not subtracted again by this factor.
Weighted blocks = service mix × (hands-on minutes + turnover) = 63 minutes. Labor capacity is usable hours × 60 ÷ that block. The engine also checks manicure and pedicure pools against their opening hours, including split combo cleanup. Labor is the binding pool for this case; neither the paid manager nor unstaffed stations add treatments.
Adding 15 hands-on minutes to every service reduces theoretical monthly slots to 422.4 and Year 1 sales to $251,259. The delayed-capacity diagnostic runs below zero cash. Measure durations and calendar fragmentation before relying on the fractional monthly capacity average.
Use an integer threshold only after exact arithmetic
| Measure | Result | Definition |
|---|---|---|
| EBITDA break-even | 384.6 completed bookings | Payroll + overhead divided by unit contribution |
| Cash break-even, exact quotient | 409.5 completed bookings | Payroll + overhead + scheduled debt divided by contribution |
| Whole completed-booking threshold | 410 | Ceiling of exact quotient; predecessor checked |
| Required booked utilization | 81.6% | Exact completed threshold ÷ slots ÷ completed share |
The whole threshold is 410 bookings. The engine uses unrounded contribution for the quotient and rounds upward only at the end. This cash threshold excludes income tax, replacement CAPEX and working-capital growth; actual monthly cash can differ with settlement or stock timing.
Track completed bookings, realized receipt, minutes by service, cancellations, paid versus bookable hours, repeat appointments and card timing together. A lower service duration helps only when the freed time can be booked safely at a sustainable price.
Sources and scope
- Declared nail-salon planning assumptions · Checked 2026-10-04 · Fictional planning choices documented in FINANCIAL_ASSUMPTIONS.md and inputs.json; no premises quote, customer bookings or lender offer.
- Square US payment pricing · Checked 2026-10-04 · Free-plan in-person domestic tap/dip/swipe reference; no keyed/online/foreign card fee included.
- New York appearance enhancement law and regulations · Checked 2026-10-04 · DOS-hosted compilation inspected, §§160.16–160.20: nail ventilation and sanitation. Not a site approval or complete 2025 building-code design.
- IRS Topic 751: employer FICA · Checked 2026-10-04 · Employer Social Security/Medicare reference, below wage ceiling; does not validate other burden components.
- New York DOL: nail salon wages · Checked 2026-10-04 · 2026 regional minimum wages, pay for all hours, weekly overtime and no nail-salon tip credit; does not quote the case hiring wage.
- BLS: manicurists and pedicurists · Checked 2026-10-04 · National May 2025 OEWS wage reference, observed on current OOH page; not a New York hiring quote or owner salary.