Earlier quoted context omitted.
Can you (or anyone) go into more detail on what the number "$100K yearly salary" includes and doesn't include, in the US? Helpful for those of us not in the US. I.e. what makes up that extra 50%-100%? Our own multiplier (Israel) is usually 30% extra over the stated salary, although the salary here is usually stated as a monthly, not yearly, number.
The universal understanding of salary numbers among employees in the United States is that it is gross cash pay before deductions. We typically quote them annually for professional positions, and they're typically paid out in approximately equal bi-weekly installments, with a bit of variation for cash bonuses (which are common in some industries/locales and not in others). The biweekly paycheck for someone with a $10…
If anyone is interested, here in Israel we usually talk about the gross monthly salary, and we add around 25%-30% above that for the "true" employer cost.
Similar to the US system, but we usually don't include perks like gym membership when thinking of "employer costs". I think they're also less common, which might explain it. We do include the employer portion of the taxes, the employer portion of the pensions, potentially the employer portion of other savings accounts, and - unlike the US, I believe - one perk that is very common here is a company car, which is usually leased out to the employee.