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$21 an Hour Is How Much a Year?
At 40 hours a week, 52 weeks a year, $21 an hour is $43,680 a year before tax — about $3,640 a month and $840 a week. After estimated federal tax and FICA you keep roughly $36,387.
The math
$21 × 40 hours × 52 weeks = $43,680. If your schedule is different, the total moves with you:
| Hours per week | Annual | Monthly | Weekly |
|---|---|---|---|
| 20 (part time) | $21,840 | $1,820 | $420 |
| 37.5 | $40,950 | $3,413 | $788 |
| 40 (full time) | $43,680 | $3,640 | $840 |
| 45 | $49,140 | $4,095 | $945 |
| 50 | $54,600 | $4,550 | $1,050 |
Most hourly jobs pay for actual hours worked, so a week off without pay removes roughly $840 from your year. Federal law (FLSA) requires 1.5× pay for hours over 40 in a workweek for most non-exempt employees; if you regularly work 45 hours at $21, overtime pushes the year to $51,870.
What $21 an hour looks like after tax
For a single filer with no dependents in California, $43,680 gross works out to about $36,387 take-home a year — $3,032 a month, or $17.49 for every hour worked. That is an effective rate of 16.7% across federal income tax, state income tax, Social Security and Medicare.
| Item | Annual | Monthly |
|---|---|---|
| Gross pay | $43,680 | $3,640 |
| Federal income tax | −$3,062 | −$255 |
| State income tax | −$890 | −$74 |
| Social Security + Medicare | −$3,342 | −$278 |
| Take-home | $36,387 | $3,032 |
Is $21 an hour a good wage?
The median full-time annual wage in the United States is about $48,940. $43,680 sits below that line by $5,260, which is 89% of the median. On a 40-hour week the federal minimum wage of $7.25 brings in $15,080, so $21 is 2.9× the floor.