Overtime Calculator

Created by: James Porter
Last updated:
Calculate overtime pay accurately with our comprehensive overtime calculator. Supports time-and-a-half, double time, and custom overtime rates to ensure FLSA compliance and accurate payroll processing for employees and HR departments.
What is an Overtime Calculator?
An overtime calculator is a specialized tool that computes additional compensation for hours worked beyond the standard 40-hour workweek. Under the Fair Labor Standards Act (FLSA), non-exempt employees must receive overtime pay at a rate of at least one and one-half times their regular rate for all hours worked over 40 in a workweek.
This calculator helps employees verify their paychecks, assists HR departments in payroll processing, and ensures compliance with federal and state labor laws. It accounts for different overtime scenarios including time-and-a-half, double time, and various pay structures.
Overtime Pay Calculation Formulas
Standard Time-and-a-Half Formula
Overtime Pay = Overtime Hours × (Regular Hourly Rate × 1.5)
For a $20/hour employee working 45 hours:
Regular Pay: 40 hours × $20 = $800
Overtime Pay: 5 hours × ($20 × 1.5) = 5 × $30 = $150
Total Pay: $800 + $150 = $950
Double Time Formula
Double Time Pay = Double Time Hours × (Regular Hourly Rate × 2.0)
Salary Employee Overtime
Regular Hourly Rate = Weekly Salary ÷ Total Hours Worked
Overtime Rate = Regular Hourly Rate × 1.5
For a $1,000/week salary working 50 hours:
Regular Rate: $1,000 ÷ 50 = $20/hour
Overtime: 10 hours × ($20 × 1.5) = $300
Total: $1,000 + $300 = $1,300
Overtime Calculation Examples
Example 1: Hourly Employee with Standard Overtime
- Regular Rate: $18/hour
- Hours Worked: 48 hours
- Regular Pay: 40 × $18 = $720
- Overtime Pay: 8 × ($18 × 1.5) = 8 × $27 = $216
- Total Weekly Pay: $720 + $216 = $936
Example 2: California Daily Overtime
- Regular Rate: $25/hour
- Monday: 10 hours (8 regular + 2 overtime)
- Regular Pay: 8 × $25 = $200
- Daily Overtime: 2 × ($25 × 1.5) = $75
- Daily Total: $200 + $75 = $275
Example 3: Mixed Overtime and Double Time
- Regular Rate: $22/hour
- Regular Hours: 40 hours
- Overtime Hours: 8 hours (time-and-a-half)
- Double Time Hours: 4 hours
- Total Pay: (40 × $22) + (8 × $33) + (4 × $44) = $880 + $264 + $176 = $1,320
Applications of Overtime Calculators
Employee Pay Verification
Employees can use overtime calculators to verify their paychecks are accurate and ensure they're receiving proper compensation for all hours worked. This is particularly important for hourly workers who frequently work beyond standard hours.
HR and Payroll Management
Human resources departments and payroll administrators use these calculators to ensure accurate wage calculations, maintain compliance with labor laws, and prevent costly wage and hour violations that can result in penalties and lawsuits.
Budget Planning for Businesses
Employers can forecast labor costs by calculating overtime expenses for busy periods, helping with budget planning and staffing decisions. Understanding overtime costs helps optimize scheduling to control expenses.
Legal Compliance Verification
Legal professionals and labor advocates use overtime calculators to verify compliance with federal and state wage laws, particularly in wage and hour dispute cases or Department of Labor investigations.
Contract Negotiations
During salary negotiations or union contract discussions, overtime calculators help both parties understand the financial impact of different overtime arrangements and compensation structures.
Tips for Accurate Overtime Calculations
Know Your Classification
Understand whether you're classified as exempt or non-exempt. Only non-exempt employees are entitled to overtime pay. Misclassification is a common issue that can result in significant back wages.
Track All Working Hours
Maintain detailed records of all hours worked, including start and end times, break periods, and any work performed outside regular hours. Many wage disputes arise from inadequate time tracking.
Understand State-Specific Laws
Some states have more generous overtime laws than federal requirements. California, Alaska, and Nevada have daily overtime rules, while others may have different thresholds for overtime eligibility.
Include All Compensation
The regular rate for overtime calculations may include more than base wages. Bonuses, commissions, and certain allowances must be included in the regular rate calculation for overtime purposes.
Document Overtime Authorization
While employees generally must be paid for all hours worked, having clear policies about overtime authorization helps prevent disputes and manages labor costs effectively.
Frequently Asked Questions
How do I calculate overtime pay correctly?
Overtime pay is calculated by multiplying your regular hourly rate by 1.5 (time-and-a-half) for hours worked over 40 in a workweek. For example, if you earn $20/hour and work 45 hours, your overtime pay is: 5 hours × ($20 × 1.5) = 5 × $30 = $150.
What is the federal overtime rate in the United States?
Federal law requires overtime pay at a rate of at least 1.5 times the regular rate for all hours worked over 40 in a workweek. This applies to non-exempt employees under the Fair Labor Standards Act (FLSA). Some states have different requirements.
When am I eligible for overtime pay?
You're eligible for overtime if you're a non-exempt employee working over 40 hours per week. Exempt employees (typically salaried professionals, executives, or administrators earning over $684/week) are not entitled to overtime pay under federal law.
How does double time pay work?
Double time pay (2x regular rate) is not federally mandated but may be required by state law or company policy. California requires double time for hours over 12 in a day or over 8 hours on the seventh consecutive workday.
Do all states follow the same overtime rules?
No, some states have stricter overtime laws. California requires overtime for hours over 8 in a day, while federal law only requires it for hours over 40 per week. Alaska and Nevada also have daily overtime requirements. Always check your state's specific laws.
How do I calculate overtime for salary employees?
For non-exempt salaried employees, first calculate the regular hourly rate by dividing weekly salary by hours worked. Then apply overtime rates to hours over 40. For example: $800 salary ÷ 50 hours = $16/hour regular rate, with 10 overtime hours at $24/hour.
What's the difference between overtime and premium pay?
Overtime is legally required pay for hours over 40/week at 1.5x rate. Premium pay includes any additional compensation like shift differentials, weekend bonuses, or holiday pay, which may be voluntary employer policies rather than legal requirements.
Sources and References
- U.S. Department of Labor - Fair Labor Standards Act (FLSA) Overtime Requirements
- U.S. Department of Labor - Wage and Hour Division Fact Sheets
- California Department of Industrial Relations - Overtime Laws and Regulations