The salary is the number you post. Here is every cost that gets added before you actually know what you are paying.
Add payroll taxes, benefits, and overhead, and an employee costs 25 to 40 percent more than the base salary on the offer letter. This guide walks through the budget in the order you should actually think about it, step by step, before someone asks why the headcount numbers are off.
Start with the 1.25 to 1.4 times salary rule. Hiring experts and payroll analysts commonly cite this range as the fully loaded cost of a W-2 employee once mandatory taxes, typical benefits and overhead are included. It is a starting range, not a guarantee, since your state's tax rates and your benefits package will move the number. Put your own figures behind it with the cost-to-hire calculator rather than trusting the midpoint of a general rule.
None of these show up as a single line on the offer letter, which is exactly why so many hiring budgets come in low.
Contractors skip payroll taxes, benefits and most overhead, which makes them cheaper for variable, project-based or short-term work. Employees tend to cost less once you account for a contractor's full market rate on steady, full-time work. Run both scenarios in the contractor vs employee calculator before deciding, and confirm the classification is legally correct either way.
Replacing someone costs roughly 20% of salary for entry-level roles and considerably more for senior or specialized ones, once you count lost productivity, manager time and the vacancy itself. That figure is often the strongest argument for spending more on retention up front. Run the numbers in the turnover cost calculator before assuming a cheaper hire is actually the cheaper choice.
If you are the one being hired rather than doing the hiring, the same math runs in reverse. Your hourly rate has to cover self-employment tax, your own benefits, and the hours you will not bill, which means it has to sit well above your old salaried hourly wage. Work backward from your target income with the freelance rate calculator.
Work through these five steps in order and you end up with a defensible number instead of a guess: a base salary, a realistic tax and benefits load, an honest look at contractor alternatives, a retention argument backed by turnover cost, and, if you are on the other side of the table, a rate that actually covers your bills. That is a budget you can show a finance team without getting sent back to redo it.
The tax and benefit ranges in this guide are cross-checked against these federal sources:
Take the base salary and multiply by 1.25 to 1.4 as a rough starting point, then confirm it with the cost-to-hire calculator using your actual benefits and overhead numbers instead of the general rule.
Payroll tax percentages apply the same way, but benefits and overhead often do not scale down proportionally for part-time staff, since some fixed costs, like equipment or software licenses, apply per person regardless of hours.
No. Cost is one input. Classification rules, the type of work, how much control you need over the schedule, and how long you expect the role to last all matter as much as the raw dollar comparison.
At least annually, since payroll tax wage bases, health insurance premiums and typical benefits packages change every year. Re-check before any major hiring push or budget cycle.