Overtime Pay Calculator
1Rate & Regular Hours
2Overtime
Breakdown
What Is an Overtime Pay Calculator?
An overtime pay calculator breaks a workweek into regular pay and overtime premium pay, then shows your total for the week and what you effectively earned per hour across every hour worked. Enter your base hourly rate, your regular (straight-time) hours, the overtime hours you worked, and the overtime multiplier your employer uses — the CalcFinity version handles standard time-and-a-half, double time, or any custom multiplier, and updates the totals live as you type. It’s the fastest way to answer the practical question: what will those extra hours on the clock actually add to my paycheck?
How It Works
The calculator pays regular hours at your normal rate, pays overtime hours at your rate times the multiplier, and adds the two together. It also computes an effective hourly rate — total pay divided by total hours — which is a handy way to see how much overtime lifts your average earnings.
The formula
Total weekly pay with overtime:
Total Pay = (Rate × Regular Hours) + (Rate × Multiplier × OT Hours)Effective rate across all hours worked:
Effective Rate = Total Pay ÷ (Regular Hours + OT Hours)The overtime multiplier is 1.5 for time and a half or 2 for double time. Under the federal Fair Labor Standards Act (FLSA), non-exempt employees in the United States must generally receive at least 1.5 times their regular rate for hours worked beyond 40 in a workweek. Some states go further: California, for instance, requires daily overtime after 8 hours and double time after 12 hours in a day. Note that the FLSA bases overtime on your “regular rate of pay,” which can include nondiscretionary bonuses and shift differentials — so if you receive those, your legal overtime rate may be slightly higher than base rate × 1.5.
Worked Example: $22/Hour with 10 Hours of Overtime
Suppose you earn $22.00/hour, work your standard 40 regular hours, and put in 10 hours of overtime at 1.5×. Regular pay is 40 × $22 = $880.00. Your overtime rate is $22 × 1.5 = $33.00, so overtime pay is 10 × $33 = $330.00.
Total for the week: $1,210.00. Across all 50 hours, that’s an effective rate of $24.20/hour — a 10% lift over your base rate from just ten extra hours. These are the exact defaults the calculator loads with, so you can confirm every line in the breakdown.
Understanding Your Overtime Rights and Paycheck
Eligibility hinges on classification, not job title. Salaried workers can still be non-exempt and owed overtime if their duties and pay level don’t meet the FLSA exemption tests. Misclassification is a common source of back-pay claims.
Keep your own record of hours worked. Pay disputes are far easier to resolve with documentation. If your pay stub doesn’t match this calculator’s output, ask payroll how they computed your regular rate.
Overtime is taxed as ordinary income. Withholding on a big overtime check may look steep, but your actual tax owed depends on your full-year income, not one inflated pay period. Any excess withholding comes back when you file.
Common Mistakes to Avoid
The biggest mistake is applying the multiplier to the wrong base. Legally, overtime is calculated on your “regular rate of pay,” which under the FLSA includes nondiscretionary bonuses, commissions, and shift differentials averaged into the week — not just the number printed on your offer letter. If you earned a $100 production bonus in a 50-hour week, your regular rate for that week is $2 an hour higher, and so is the base your 1.5× premium applies to. Workers who check their stubs against base rate alone often conclude payroll overpaid them, when payroll simply followed the law — or, worse, miss cases where a bonus was left out and they were genuinely underpaid.
A second cluster of errors comes from counting hours incorrectly. Federal overtime resets every workweek: 45 hours one week and 35 the next does not average out to zero overtime, and paid time off generally does not count as “hours worked” toward the 40-hour trigger, so a week with a holiday plus 40 worked hours may earn no premium at all. People also assume weekend or night work automatically pays overtime — federally, it doesn’t; only hours past 40 do, unless your state, union contract, or employer policy says otherwise. When in doubt, enter only actual worked hours into the calculator and check your state’s daily-overtime rules separately.
Frequently Asked Questions
When does overtime legally kick in?
Under federal law, after 40 hours in a single workweek for non-exempt employees. Some states add daily thresholds — California requires overtime after 8 hours in a day — so check your state labor department’s rules.
Do salaried employees ever get overtime?
Yes, if they’re classified as non-exempt. Exemption depends on salary level and job duties under FLSA tests, not simply on being paid a salary. Misclassification is a common source of back-pay claims.
What is double time and when does it apply?
Double time pays twice your regular rate. Federal law never requires it, but some states (like California, after 12 hours in a day) and many union contracts or company policies do — often for holidays or seventh consecutive workdays.
Is overtime taxed at a higher rate?
No. Overtime is ordinary income taxed at the same brackets as regular wages. Withholding on a large check can be temporarily higher, but any excess comes back when you file your return.