Calculate estimated overtime pay and gross wages based on the exact base pay, hours, threshold, and overtime rate or multiplier you enter. This input-driven tool models company policies and employment contracts worldwide without imposing statutory U.S. legal rules.
Format calculations in USD, EUR, GBP, INR, JPY, CAD, AUD, AED, SGD, ZAR, and 30+ currencies with standard local notation.
Custom Multiplier or Fixed Rate
Use standard multipliers (1.25×, 1.5×, 2.0×), custom decimal factors, or specify an agreed fixed hourly overtime rate.
Explicit Salary Conversion
Converts weekly, monthly, or annual salaries based strictly on your contract standard hours—never assuming hidden 2,080-hour conventions.
Direct Overtime Answers & Quick Reference
Essential arithmetic definitions and direct answers for common overtime calculation questions.
How do you calculate overtime pay?
Multiply overtime hours worked by the overtime hourly rate. If your agreement specifies an overtime multiplier, multiply your base hourly rate by the multiplier first (e.g., $25.00/hr × 1.5 = $37.50/hr), then multiply by the overtime hours.
How do you calculate overtime from total hours?
Subtract your standard overtime threshold from total hours worked, with a minimum of zero: Overtime Hours = max(Total Hours − Overtime Threshold, 0). Regular hours are capped at the threshold.
What is 1.5× overtime?
A 1.5× multiplier ("time and a half") means your overtime hourly rate is 150% of your regular base rate. For example, a $20.00/hr base rate becomes $30.00/hr during overtime hours.
How does a fixed overtime rate work?
A fixed overtime rate pays an agreed monetary amount per overtime hour (such as $35.00/hr) independent of a multiplier. Overtime pay is simply overtime hours multiplied by that fixed rate.
What is an Overtime Calculator?
An overtime calculator is a mathematical tool designed to estimate compensation for hours worked beyond standard work periods. While statutory legal calculators apply specific government labor codes (such as California Labor Code § 510 or federal FLSA rules), this custom overtime calculator is entirely input-driven. It applies transparent arithmetic to the exact pay amount, pay frequency, standard schedule hours, threshold, and overtime rate or multiplier that you specify.
This makes it suitable for employees with unique employment agreements, international workers in countries with contractual overtime frameworks, freelancers billing overtime rates, and payroll professionals running quick scenario estimates.
How to Calculate Overtime Pay: Core Formulas
Calculating overtime compensation involves straightforward arithmetic. The calculator breaks the computation into three clear steps:
1. Overtime Hourly Rate
OT Rate = Base Rate × Multiplier
For fixed overtime rates, the OT rate is entered directly as a fixed currency amount per hour.
2. Overtime Pay
OT Pay = OT Hours × OT Rate
Total overtime compensation for all eligible extra hours worked during the pay period.
3. Total Gross Pay
Gross Pay = Regular Pay + OT Pay
Combines standard straight-time period earnings with total calculated overtime pay.
Calculation Modes: Overtime Hours vs. Total Hours
Depending on how work hours are logged on your timesheet or pay stub, you can choose between two convenient calculation modes:
Mode A: Overtime Hours Mode
Use this mode when you already know the exact number of overtime hours worked (for example, 8 hours of approved overtime). You enter your overtime hours directly, and the calculator computes the overtime amount alongside your standard regular hours.
Mode B: Total Hours & Threshold Mode
Use this mode when you have logged total hours (e.g., 47 hours) and a standard threshold (e.g., 40 hours). The calculator partitions hours using deterministic formulas:
Overtime Hours = max(Total Hours − Threshold, 0)
Regular Hours = min(Total Hours, Threshold)
Calculating Overtime from Salary & Non-Hourly Pay
Many employees and contractors earn fixed pay per day, week, month, or year rather than a direct hourly wage. To calculate overtime accurately, you must convert non-hourly pay into a straight-time base hourly rate:
Base Hourly Rate = Base Pay Amount ÷ Standard Hours Represented
Why Explicit Standard Hours Matter
Many calculators silently assume 40 hours per week or 2,080 hours per year. However, real-world contracts vary widely: a full-time contract might specify 35, 37.5, 40, 44, or 48 standard hours. A monthly salary might represent 160 or 173.33 hours. By requiring an explicit standard hours input, this calculator ensures that your base hourly rate reflects your genuine contractual arrangement without hidden assumptions.
Overtime Multipliers vs. Fixed Overtime Rates
Overtime Multipliers
Overtime multipliers scale your straight-time hourly rate by a specified percentage factor:
1.25×: 125% of base wage (e.g., $20.00/hr becomes $25.00/hr).
1.5× ("Time and a Half"): 150% of base wage (e.g., $20.00/hr becomes $30.00/hr).
2.0× ("Double Time"): 200% of base wage (e.g., $20.00/hr becomes $40.00/hr).
Fixed Overtime Rates
Some contracts, freelance agreements, or collective bargaining pacts pay a flat monetary rate per overtime hour regardless of base pay:
Example: Base pay of $22.00/hr with a fixed $35.00/hr overtime rate.
The overtime premium portion is $13.00/hr ($35.00 − $22.00).
Worked Overtime Calculation Examples
Explore step-by-step arithmetic walkthroughs across common hourly, total-hours, and salaried compensation scenarios.
Example 1: Hourly Wage
8 Overtime Hours at 1.5×
An employee earns $25.00/hr and works 40 regular hours plus 8 overtime hours with a 1.5× multiplier.
Regular Pay (40h × $25):$1,000.00
OT Rate ($25 × 1.5):$37.50/hr
OT Pay (8h × $37.50):$300.00
Total Gross Pay:$1,300.00
Example 2: Total Hours Mode
47 Hours with 40h Threshold
A worker earns $20.00/hr, works 47 total hours, has a 40-hour threshold, and receives 1.5× overtime.
Regular Hours (min 47, 40):40 hrs ($800)
OT Hours (max 47−40, 0):7 hrs
OT Pay (7h × $30.00):$210.00
Total Gross Pay:$1,010.00
Example 3: Monthly Salary
Monthly Pay & 10 OT Hours
A monthly salary of $4,000 for 160 standard hours, with 10 contractual overtime hours at 1.5×.
Base Hourly ($4k ÷ 160h):$25.00/hr
Regular Period Salary:$4,000.00
OT Pay (10h × $37.50):$375.00
Total Gross Pay:$4,375.00
Understanding Overtime Pay vs. Overtime Premium
In payroll reporting and financial modeling, overtime earnings are commonly separated into two components:
Overtime Pay (Full Earnings)
The total gross payment for all overtime hours worked: Overtime Hours × Overtime Rate (e.g., 10 hrs × $30.00/hr = $300.00).
Overtime Premium (Enhancement Only)
The incremental earnings generated solely by the overtime premium above straight-time wages: Overtime Hours × (Overtime Rate − Base Rate) (e.g., 10 hrs × $10.00/hr = $100.00).
Questions & Answers
Frequently Asked Questions
Common questions about overtime pay formulas, salary conversions, international currencies, and calculation rules.
How do I calculate overtime pay?
To calculate overtime pay, multiply your overtime hours by your effective overtime hourly rate (Overtime Pay = Overtime Hours × Overtime Rate). If your overtime rate is determined by a multiplier such as 1.5×, first multiply your base hourly rate by the multiplier to find your overtime rate (Overtime Rate = Base Hourly Rate × Multiplier). Finally, add overtime pay to your standard regular earnings to find your total gross pay.
How do I calculate overtime from total hours?
To calculate overtime from total hours, subtract your standard overtime threshold from the total hours worked: Overtime Hours = max(Total Hours − Overtime Threshold, 0). Regular straight-time hours are capped at the threshold: Regular Hours = min(Total Hours, Overtime Threshold). For example, if you worked 47 total hours with a 40-hour threshold, you worked 40 regular hours and 7 overtime hours.
How is overtime pay calculated from an hourly rate?
When starting from an hourly rate, multiply your base hourly rate by your overtime multiplier (such as 1.5×) to determine your overtime hourly rate. Then multiply that overtime rate by the number of overtime hours worked. For example, if your base hourly rate is $25.00 and your overtime multiplier is 1.5×, your overtime rate is $37.50/hr ($25.00 × 1.5). Working 8 overtime hours yields $300.00 in overtime pay ($37.50 × 8).
Can I calculate overtime from a salary?
Yes. To calculate overtime from a salary (whether weekly, biweekly, semimonthly, monthly, or annual), divide the salary by the explicit number of standard hours represented by that pay amount under your contract. This determines your straight-time base hourly rate. Once the base hourly rate is established, apply your overtime multiplier or fixed rate to your overtime hours. The calculator requires an explicit standard hours input to avoid making inaccurate assumptions about your working schedule.
What does 1.5× overtime mean?
A 1.5× overtime multiplier (often called "time and a half") means that for every qualifying overtime hour worked, you earn 1.5 times your standard base hourly rate. For example, if your standard rate is $20.00 per hour, a 1.5× multiplier gives you an overtime rate of $30.00 per hour ($20.00 × 1.5). This comprises your standard $20.00 straight-time pay plus a $10.00 overtime premium per hour.
How does a fixed overtime rate work?
A fixed overtime rate pays a predetermined monetary amount per overtime hour, independent of a multiplier. For example, an agreement might specify a regular rate of $22.00 per hour and an agreed fixed overtime rate of $35.00 per hour. When you work 10 overtime hours, you earn $350.00 in overtime compensation (10 hrs × $35.00/hr), regardless of the base rate multiplier percentage.
Can I use this calculator outside the United States?
Yes. This calculator is designed for users worldwide. It supports major international currencies (including USD, EUR, GBP, INR, JPY, CAD, AUD, AED, SGD, ZAR, and more) and flexible calculation parameters. Because overtime rules and agreements vary widely across countries, this calculator performs transparent arithmetic based on the specific rates, thresholds, and hours you provide.
Does this calculator determine whether I am legally entitled to overtime?
No. This calculator is an informational mathematical utility. It performs arithmetic strictly based on the pay amounts, hours, thresholds, and rates you enter. It does not determine statutory overtime eligibility under employment laws, evaluate white-collar exemptions, or verify legal compliance. For statutory U.S. overtime rules, use our dedicated U.S. State Overtime Calculator.
What hours should I enter for a monthly salary?
Enter the actual number of standard contract hours your monthly salary is intended to compensate. For example, if you work 40 hours per week, a standard monthly equivalent is commonly entered as approximately 160 hours (4 weeks × 40 hrs) or 173.33 hours (52 weeks ÷ 12 months × 40 hrs). Because different employment contracts and jurisdictions define monthly standard hours differently, our calculator never assumes a hidden conversion number and relies on the exact hours you supply.
Does the calculator convert currencies?
No. The calculator formats all inputs and calculations using your selected currency code and locale convention (such as $, €, £, ₹, or ¥), but it does not perform foreign exchange currency conversions. All calculations assume your earnings and overtime rates are in the same currency.
Does the calculator calculate taxes or deductions?
No. The calculator computes estimated gross earnings only (regular pay, overtime pay, and total gross pay). It does not estimate or withhold payroll taxes, income taxes, social security contributions, or health benefit deductions, because tax withholding rules depend on local tax jurisdictions and individual tax circumstances.
What is the difference between overtime pay and the overtime premium?
Overtime pay is the total gross earnings paid for all overtime hours worked (Overtime Hours × Overtime Rate). The overtime premium is only the additional earnings generated above straight-time pay (Overtime Hours × [Overtime Rate − Base Rate]). For example, for 8 hours at $30.00/hr (with a $20.00/hr base rate), overtime pay is $240.00, and the overtime premium portion is $80.00.
Explore State-Specific U.S. Overtime Laws & Resources
Looking for statutory labor rules enacted by specific U.S. jurisdictions? Access our dedicated state calculation engines and legal guides:
Important Notice: Estimate Only — Contract & Policy Arithmetic
Estimate only: This calculator performs arithmetic using the pay, hours, threshold, and overtime rate you enter. It does not determine statutory overtime eligibility under federal, state, or international labor laws. It does not provide legal, accounting, tax, or payroll advice. For binding statutory overtime evaluations in specific jurisdictions, consult a licensed employment attorney or state labor commissioner.