Overtime Calculator
Calculate regular and overtime pay for any hourly rate and hours worked.
Overtime pay inputs
Enter your hourly rate, regular hours, overtime hours, multipliers, and optional deduction estimate.
Your regular hourly pay rate before overtime.
Paid hours at your normal hourly rate.
Paid overtime hours, commonly time-and-a-half.
Use 1.5 for time-and-a-half or your applicable rate.
Optional hours paid at a second premium rate.
Use 2 for double-time or your applicable rate.
Optional rough tax and deduction estimate.
Used to annualize gross and estimated take-home pay.
Total gross pay
£1,300.00
Weekly pay before taxes and deductions.
Overtime pay
£300.00
Combined overtime and double-time pay.
Regular pay
£1,000.00
40 hours at £25.00/hr.
Estimated take-home pay
£1,040.00
After 20.0% estimated deductions.
Effective hourly rate
£27.08/hr
Gross pay divided by total paid hours.
Overtime premium
£100.00
Extra premium above base pay for overtime hours.
Annualized gross pay
£67,600.00
52 weekly pay periods per year.
Annualized take-home
£54,080.00
Rough estimate using the deduction percentage entered.
Support
Payroll support layer
Pay formula
Calculates regular pay, overtime pay, double-time pay, gross pay, and estimated take-home pay.
Estimate only
Results are payroll estimates and do not determine legal overtime eligibility or exact withholding.
Payslip friendly
Use the breakdown to compare your own payslip, timesheet, or payroll estimate.
Interpretation
What these overtime results mean
Gross pay
Your estimated gross pay is £1,300.00 for the selected weekly pay period.
Overtime earnings
Your overtime and double-time earnings add up to £300.00.
Effective hourly rate
Across 48 paid hours, your effective gross hourly rate is £27.08/hr.
Deduction estimate
With 20.0% estimated deductions, take-home pay is roughly £1,040.00.
Basics
How overtime pay works
Hourly rate
Your regular hourly rate is the base used for regular and overtime calculations.
Regular hours
Regular hours are paid at your normal hourly rate before overtime multipliers apply.
Multiplier
Overtime multipliers increase the hourly rate for qualifying overtime hours.
Gross pay
Gross pay is total earnings before taxes, deductions, benefits, or retirement contributions.
Comparison
Time-and-a-half vs double-time
Time-and-a-half
£37.50/hr
Time-and-a-half usually means 1.5 times the regular hourly rate.
Double-time
£50.00/hr
Double-time usually means 2 times the regular hourly rate, where applicable.
Pay context
Gross pay vs take-home pay
Gross pay
Gross pay includes regular pay, overtime pay, double-time pay, bonuses, and other earnings before deductions.
Deductions
Deductions may include taxes, pension or retirement contributions, insurance, benefits, and payroll deductions.
Net pay
Net pay is what remains after deductions. This calculator uses a simple percentage estimate.
Rules
Overtime rules and practical notes
Eligibility varies
Overtime eligibility can depend on role, employment status, location, contract, and employer policy.
Pay period timing
Overtime may be calculated daily, weekly, or by another rule depending on local requirements.
Check official sources
For exact treatment, check your contract, payroll policy, payslip, or local labor guidance.
Formula
Overtime pay formula explanation
Regular pay
Regular Pay = Hourly Rate × Regular HoursRegular pay covers hours paid at the base hourly rate.
Overtime pay
Overtime Pay = Hourly Rate × Overtime Hours × MultiplierOvertime pay applies the selected multiplier to overtime hours.
Total gross pay
Gross Pay = Regular Pay + Overtime Pay + Double-Time PayGross pay is the total before taxes and payroll deductions.
FAQ
Overtime calculator questions
Multiply overtime hours by your hourly rate and overtime multiplier. Then add regular pay and overtime pay to estimate total gross pay.
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