Why isn't the highest CPM always the best offer?

Because CPM is only the base-mileage pay line of a compensation package. Sign-on bonuses, employer-paid health insurance, 401(k) match, per-diem tax treatment, and home-time differences can swing true annual pay by $10,000–$25,000 between two offers with the same CPM. A 60¢/mile offer with $15K health insurance and 4% 401(k) match beats a 64¢/mile offer with no benefits at the same weekly miles.

How should I think about the sign-on bonus?

A sign-on bonus is only as valuable as the time you stay to vest it. Amortize it over your realistic retention window — not the carrier's advertised 12-month default. If you expect to leave after 6 months because the freight is bad, a $10K sign-on amortized over 6 months equals $20K/year. If you'd stay 18 months anyway, the same $10K is worth $6.7K/year. Our calculator lets you set retention_months so the math reflects your situation.

What is the per-diem W-2 tradeoff?

A per-diem split reclassifies part of your CPM gross as non-taxable reimbursement. You pay less federal income tax and FICA on the reclassified portion — real current-year savings. But your W-2 reported wage drops, which reduces your Social Security earnings record, your workers' comp wage basis, and the gross income a mortgage lender sees. Drivers nearing retirement or mid-career on a mortgage timeline often come out worse on per-diem. Younger drivers with long career horizons usually come out ahead. The calculator shows both the tax savings and the W-2 reduction so you can make the call.

What's a realistic employer health-insurance value?

Per the Kaiser Family Foundation's annual Employer Health Benefits Survey, employer contributions to family coverage average roughly $17,400 for large employers. For CDL work: mega-carrier OTR plans often sit at $8,000–$12,000 employer contribution; private-fleet carriers (Walmart, Sysco, UPS, Costco) often contribute $15,000+. Local carriers with strong benefits can exceed $18,000. Enter zero if you'd pay for ACA coverage out of pocket — owner-operators do.

Why does home-time-adjusted hourly matter?

A $75,000 OTR offer with 5 days home per month isn't the same as a $65,000 regional offer with 10 days home per month. The OTR driver trades ~150 hours more away-from-home per month for the extra $10K. Our away-adjusted hourly divides total comp by the hours the driver is NOT home — a proxy for the real hourly rate of the job's work-vs-life tradeoff.

Can recruiters dispute my numbers?

Every input on this calculator is something a recruiter must answer in writing to close a driver. If they won't commit to the health-insurance value, the 401(k) match, or the retention window to prevent sign-on clawback, plug in zero for those fields and see what the offer actually looks like without their soft claims.

Carrier Offer Compare

The CPM headline isn't the job. Compare up to 5 offers side-by-side on true annual comp — sign-on bonus amortized over realistic retention, employer-paid health insurance, 401(k) match, per-diem W-2 impact, and home-time-adjusted hourly. Everything recruiters don't include in the top-line number.

Last verified 2026-04-17 Sources: BLS OOH 53-3032 · KFF Employer Health Benefits Survey

Enter up to 5 offers

🏆 Best total comp: 📊 Highest W-2 wage (mortgage basis): ⏱ Best away-adjusted hourly: 🏠 Most home time:

Metric
Base annual gross
Sign-on (amortized)
Health insurance value
401(k) match
True total comp (annual)
W-2 reported wage
Per-diem tax savings
Days home / month
Away-adjusted hourly

Rankings compare offers in the table above; the "best total comp" cell is highlighted per row. Take-home estimates use a simple 22% marginal rate + 7.65% employee FICA. Real take-home varies with state tax, filing status, and benefit elections — talk to a trucking CPA for your actual situation.

What the CPM quote doesn't tell you

Carrier recruiting pages lead with a CPM number because it's simple, comparable-looking, and flattering. "68¢/mile!" sounds good next to "62¢/mile" — but a $0.06 CPM differential is worth about $7,500 a year at 2,500 miles/week × 50 weeks. Four other levers in a typical CDL offer can each swing by more than that.

1. Sign-on bonus amortized over realistic retention

Carriers quote sign-on bonuses as headline dollar figures. A $12,000 sign-on sounds great until you read the fine print: "50% paid after 6 months, remainder after 12 months, full repayment if you leave within 18 months." The bonus is only real if you stay to vest it. Annualize it over the time you realistically expect to stay.

If the carrier's reputation and freight quality suggest you'd leave within 6 months, a $12K sign-on amortized over 6 months is effectively $24K/year. If you'd stay 2 years anyway for other reasons, the same $12K amortizes to $6K/year. Most drivers default to the carrier's advertised 12-month figure and overweight the bonus value. The retention input on this calculator lets you set a realistic number.

2. Employer-paid health insurance

The Kaiser Family Foundation's Employer Health Benefits Survey pegs the employer contribution to family-coverage health insurance at roughly $17,400 per year for large employers (2024 release). For CDL drivers, what the carrier actually pays varies enormously:

Mega-carrier OTR plans: typically $8,000–$12,000 employer contribution for family coverage.
Private fleets (Walmart, Sysco, UPS Freight, Costco, Frito-Lay): typically $14,000–$18,000 — benefits-rich as a retention lever.
Small regional carriers: highly variable. Some offer $0 (the driver pays ACA marketplace rates out of pocket); others match mega-carrier levels.
Owner-operators: $0 from any employer. OOIDA-affiliated group plans run $600–$1,400 per month out of pocket.

A $15,000 differential in annual health-insurance value is equivalent to a $0.12 CPM differential at 2,500 miles/week × 50 weeks. Health insurance is the single largest non-CPM comp lever in a CDL offer; drivers who don't include it in the comparison misread the offer.

3. 401(k) match

Most mega-carrier OTR positions offer a 401(k) plan with no match, or a token ~1% match after a year of tenure. Private-fleet and local positions more often include 4–6% employer matching — another large invisible comp lever. A 4% match on $75,000 base gross = $3,000/year going to your retirement account.

4. Per-diem split

Per-diem split programs reclassify part of your CPM gross as non-taxable reimbursement. The current-year math works: you pay less federal income tax and FICA on the reclassified portion. The long-term math is a tradeoff: your W-2 reported wage drops, which reduces your Social Security benefits calculation, workers' comp wage basis, and the gross income figure a mortgage lender sees.

A 30% per-diem split on $75,000 base gross saves you about $6,700/year in current-year tax (at 22% federal + 7.65% FICA) but reduces reported W-2 wage by $22,500 — a meaningful hit to Social Security earnings history and mortgage affordability. The calculator shows both figures so you can decide. Drivers nearing retirement or on a mortgage horizon usually lose the long-term math; younger drivers usually win it.

5. Home time → true $/hour

Two offers with the same annual comp aren't the same job if one keeps you home 10 days a month and the other 4. The calculator computes an "away-adjusted hourly" by dividing true total comp by the hours you're away from home per year. An OTR driver with 4 days home/month has ~638 away-hours/month × 12 = ~7,660 away-hours/year. A regional driver with 10 days home/month has ~490 away-hours/month × 12 = ~5,880 away-hours/year — 1,780 fewer away-hours for the same dollar figure, yielding a meaningfully higher hourly.

How to actually use this tool

Ask recruiters in writing for every input. Health insurance employer contribution. 401(k) match. Exact per-diem split terms. Retention timeline that must be hit for sign-on vesting. If they won't answer, plug in zero and see the honest baseline.
Model realistic retention. Don't default to 12 months if you'd leave sooner. Use carrier-turnover data from Transport Topics or OOIDA if you can find it.
Weigh the W-2 tradeoff. If you're buying a house this year or next, skip the per-diem split. Check the W-2 reported wage row, not just the true total comp.
Don't pick purely on true total comp. Away-adjusted hourly and days home/month capture the lifestyle dimension. A slightly lower total comp at a regional carrier often beats a higher OTR offer when you factor home time.

Our assumptions and sources

Assumption	Default	Source
Marginal federal tax rate	22%	Common driver bracket; adjust via API
Employee FICA	7.65%	IRS 2026 (Social Security 6.2% + Medicare 1.45%)
Sign-on amortization	bonus × (12 / retention_months)	Standard compensation-finance convention
Away-hours calendar	30.44 days/month avg	365.25 / 12 — avoids 28-vs-31-day drift
Away-adjusted hourly	true_total ÷ away_hours_per_year	Trucker-labor-economics framing, not IRS definition
Health-insurance benchmark	Varies	KFF Employer Health Benefits Survey (annual)
BLS national median reference	$57,440	BLS OOH / OES 53-3032, May 2024

Frequently asked questions

Why only 5 offers?

Beyond 5 the side-by-side table becomes unreadable on a phone. Most drivers comparing offers are weighing 2–4 — 5 covers that plus one stretch option. If you want to compare 7 offers, run this twice and write down the top-3 from each pass.

What if I'm comparing a company-driver offer to an owner-op opportunity?

Use this tool for the company offers. For the owner-op side, use the Owner-Op Net Income calculator separately — the cost structure doesn't map to employer-benefits fields. Compare the owner-op net output to the company "true total comp" manually.

Does this account for regional cost-of-living differences?

No. A $75K offer in Mississippi has different purchasing power than $75K in California. Use a BEA RPP or MERIC COL index separately for that comparison. The state baseline on our Salary by State tool shows nominal state medians; cost-of-living adjustment is a separate layer.

How should I estimate retention honestly?

Look at the carrier's reputation on driver forums, their turnover percentage if it's published in trade press, and your own history at similar carriers. If you've left 3 mega-carriers in under 18 months each, set retention to 12 months. If you've stayed 2+ years at each of your last 2 jobs, 24 months is defensible. Honesty with yourself here is the whole point.

Why not include bonuses (safety, fuel, referral) in the model?

Because carriers quote bonus conditions in language designed to make them rarely trigger. "Up to $2,400/year in safety bonuses" usually means $0 unless you hit a 100% compliance target across 13 categories for 12 consecutive months. If you can model a bonus as "I will hit it with X% probability," multiply bonus × probability and enter that as a sign-on-equivalent line. Otherwise, zero is the honest default.