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The $20/hr agency premium shrinks to $9,003/yr once the health plan, the match, and unbooked weeks are priced — still wins, barely.
Agency recruiters quote the hourly premium; staff jobs hide their value in benefits. A $42/hr staff position with health insurance and a 4% match is really $47.15/hr of total compensation — and a $62/hr agency rate at 46 booked weeks nets $97,272 after buying your own ACA plan. The agency still wins by $9,003 a year, but every unbooked week costs $2,232 and the gap closes fast. This calculator prices both sides completely so the decision is arithmetic, not recruiter talk.
Nurses use it before jumping to agency: the $20/hr premium is real but shrinks to $9,003/yr after the health plan, the match, and unbooked weeks — and each gap week costs $2,232.
At typical spreads, yes but narrowly — the example $20/hr premium compresses to $9,003/yr after the health plan ($6,500 employer value vs your $5,400 ACA premium), the 4% match ($3,145), and the unbooked weeks baked into 46-week years. Agency clearly wins when: you carry insurance through a spouse, the local premium spread is wide (some markets run $25–35/hr), or you run the classic hybrid — part-time staff for benefits plus premium agency shifts on top. Staff clearly wins with chronic conditions (group plans beat ACA pricing), pension systems, tuition benefits for an NP bridge, and seniority-protected schedules. The swing variable is booked weeks: at 44 weeks instead of 46, the agency advantage in the example drops by $4,464.
Budget 44–48 booked weeks, not 52. Holidays cancel shifts, census drops cancel shifts, and between-contract gaps are unpaid — a canceled agency shift pays $0 where a staff nurse burns low-census PTO and still gets paid. The disciplined approach: track your agency's actual cancellation rate for a quarter before leaving staff, and hold 4–6 weeks of expenses in cash as the gap buffer. The upside of the same flexibility: you can stack premium-rate shifts (weekends, nights, hard-to-fill units), block your schedule around life instead of a posted grid, and skip the committee meetings and mandatory education days that pad a staff FTE's unpaid time.
Price each one in dollars before deciding: employer health insurance (typically $6,000–8,000/yr of employer contribution for employee-only coverage, far more for family plans), the 401(k)/403(b) match (3–6% of base — $2,400–4,700/yr on a staff nurse salary), PTO (staff nurses are paid 52 weeks; agency pays booked weeks only), plus the soft benefits: tuition reimbursement, certification reimbursement, disability and life insurance, and seniority protections. The agency nurse replaces retirement with an IRA or Solo 401(k) — same tax shelter, no match — and health insurance with an ACA plan, where subsidies vary sharply by income and state. Run your real ACA quote, not an average: the subsidy cliff makes some agency nurses' coverage cheap and others' ruinous. Local agency work is plain taxable W-2 or 1099 income — no stipends, no tax-home strategy — which keeps this comparison clean, unlike the travel-contract math.