Salary Calculator

How the annual-anchor conversion works in the salary calculator

Rather than converting directly between every possible pair of pay periods, which would need a separate formula for each combination, this calculator always converts through one shared anchor: the annual figure.

Whatever pay period is entered first gets turned into an annual amount using that formula, and every other period is then derived back out of that same annual amount. This keeps every figure internally consistent and means the period actually entered will round-trip back to the same number it started as.

Take a worked example: an hourly wage of $25, working 40 hours a week for 52 weeks a year. The annual figure comes first, 25 multiplied by 40 hours by 52 weeks equals $52,000 a year. From there, every other period is that annual figure divided by however many of that period fit into a year. Weekly is $52,000 divided by 52 weeks, which is $1,000 a week. Monthly is $52,000 divided by 12 months, which comes to $4,333.33 a month. Daily, at 5 working days a week, is $52,000 divided by 260 working days a year, which is $200 a day. And converting hourly back out of the annual figure, $52,000 divided by 2,080 hours (40 hours times 52 weeks), lands back on exactly $25 an hour, confirming the conversion is consistent in both directions.

The same anchor approach handles a shorter working year too, which is exactly what the Adjusted column below does automatically: someone paid $5,000 a month who effectively works only 50 weeks a year, rather than the full 52, still has an annual figure of $5,000 times 12 months, or $60,000. Their hourly rate is that $60,000 divided by 2,000 hours (40 hours times 50 weeks), which works out to $30 an hour, a slightly higher hourly rate than someone earning the same annual salary over a full 52-week year, because the same pay is being spread across fewer working hours.

Unadjusted vs Adjusted: what holidays and vacation change

The Unadjusted column is the plain annual-anchor conversion above, run against a nominal 52-week year, as if every single day were a paid working day with no time off taken at all. Real working years are rarely like that: most jobs come with some mix of paid holidays and vacation days, and the Adjusted column exists to show what the same entered rate actually works out to once those days off are treated as unpaid, non-working time.

The conversion from days off to fewer effective weeks is simple division: add holidays per year to vacation days per year, divide by days per week, and subtract the result from the nominal 52. Six holidays plus ten vacation days is 16 days off; divided by a 5-day work week that is 3.2 weeks, leaving 48.8 effective weeks in the year instead of 52. Every figure in the Adjusted column is then the same annual-anchor conversion as the Unadjusted column, just run against 48.8 weeks instead of 52.

Worked example. At $25 an hour, 40 hours a week, with those same 6 holidays and 10 vacation days: Unadjusted annual pay is $25 x 40 x 52 = $52,000, while Adjusted annual pay is $25 x 40 x 48.8 = $48,800, a difference of $3,200 a year, the value of the 3.2 weeks not being paid at that hourly rate. Notice that the Adjusted hourly figure itself still reads $25 an hour; it is the totals that accumulate across a full year, annual, monthly and semi-monthly, that come out lower, since those are the figures that actually depend on how many weeks are worked. Leave both holidays and vacation days at 0 and the two columns match exactly, since there is then nothing to adjust for.

Semi-monthly vs bi-weekly: a commonly confused pair

Bi-weekly and semi-monthly pay schedules sound almost identical, both pay roughly every two weeks, but they are built on entirely different rules, and mixing them up is one of the most common mistakes when comparing two pay schedules side by side.

Bi-weekly pay happens every two weeks without exception, which means it is tied directly to the number of weeks actually worked in the year. Over a full 52-week year, that comes out to exactly 26 pay periods, since 52 divided by 2 is 26. In the Adjusted column, where holidays and vacation reduce the effective weeks worked below 52, the bi-weekly figure shifts accordingly, since it is derived from those effective weeks divided by 2.

Semi-monthly pay, by contrast, happens twice a month, on fixed dates such as the 15th and the last day of the month, every month, regardless of how many weeks that month happens to contain. Twelve months times two payments a month is always exactly 24 pay periods a year, a fixed payroll convention that never adjusts based on how many weeks are actually worked, which is why the semi-monthly and monthly figures move between the Unadjusted and Adjusted columns only when the annual figure itself moves, and not for any other reason.

Because 26 is greater than 24, a bi-weekly paycheck of a given size adds up to a larger annual total than a semi-monthly paycheck of the same size. Using the $52,000-a-year Unadjusted example above, bi-weekly pay works out to $2,000 per paycheck (52,000 divided by 26), while a semi-monthly paycheck for the same annual salary works out to a larger $2,166.67 per paycheck (52,000 divided by 24), since fewer, larger payments are needed to reach the same annual total. When comparing two job offers that quote different pay schedules, checking which of these two conventions actually applies is worth the extra minute; it changes both the size of each paycheck and how many paychecks arrive per year.

Common hourly wages as weekly, monthly and annual pay

Some conversions come up so often that a lookup saves a step. Gross salary means the amount before tax, and monthly gross income is the annual figure divided by 12. The table assumes 2,080 paid hours a year, 40 hours a week for 52 weeks, so it matches the Unadjusted column above; enter your holidays and vacation days in the calculator to see the Adjusted figure.

Pay raise calculator: what a raise does to every pay period

A pay raise calculator, or salary increase calculator, answers one question: what does a percentage raise do to each pay period? Multiply the old salary by one plus the raise, then convert the new figure exactly as above. The table applies common raises to a $60,000 salary and shows the new annual, monthly and hourly figures.

Self-employed and 1099 contractors

Someone billing hourly as a self-employed contractor or 1099 freelancer can use this calculator the same way a salaried employee would, entering the billed rate as the pay period and realistic hours, days, and unpaid time off as holidays and vacation days. Two differences are worth keeping in mind before comparing the result to a W-2 job offer, though. First, a self-employed worker owes the full 15.3 percent self-employment tax, covering both the employee and employer shares of Social Security and Medicare, rather than splitting roughly half of that with an employer the way a W-2 paycheck does. Second, there is usually no employer-paid health insurance, retirement match, or paid holidays and vacation sitting underneath the rate, which is the standard reason contract and freelance rates are priced meaningfully higher per hour than an equivalent salaried role: the higher rate is compensating for benefits that a salaried employee gets separately, on top of their pay.

Minimum wage and exempt vs non-exempt employees

This calculator converts whatever rate is entered without checking it against any wage floor. In the United States, the federal minimum wage is $7.25 an hour, unchanged since 2009, though a number of states and cities set a higher minimum that would actually govern a given job, so check the floor that applies locally rather than assuming the federal figure is the binding one.

Overtime works similarly: it depends on a classification this calculator has no way to know. Under the Fair Labor Standards Act (FLSA), a non-exempt employee is generally owed time and a half for hours worked beyond 40 in a single workweek, while an exempt employee, typically a salaried worker in an executive, administrative or professional role earning above a minimum salary threshold, is not entitled to overtime pay no matter how many hours they work. Two people with the same nominal annual salary can therefore take home very different amounts in a heavy-overtime week, depending entirely on which side of that line their role falls on.