Finance / Income & Pay

Overtime Calculator

Calculate regular pay, overtime pay, overtime rate, and total gross pay from hourly wages and extra hours worked.

Calculator

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$1,300.00

Total gross pay for this period

$1,000.00

Regular pay

$300.00

Overtime pay

$37.50

Overtime rate

$27.08

Average pay per hour worked

48.0 total hours in the pay period

Use this overtime calculator to split pay between standard hours and overtime hours, then see the total gross pay and the effective average rate for the whole shift or workweek.

Overtime Pay

Overtime pay, premium rates, and gross-pay calculation explained

An overtime calculator estimates how much extra pay is generated when hours worked above the standard schedule are paid at a premium rate. It is a practical online calculator for splitting regular pay from overtime pay, checking total gross earnings for a workweek or pay period, and understanding how the overtime multiplier changes the effective hourly rate.

What overtime pay is adding to regular wages

Overtime pay applies a higher pay rate to hours that qualify as overtime under the assumptions you choose. In a simple calculator, that means regular hours are paid at the base hourly rate and overtime hours are paid at the base rate multiplied by the overtime factor. The result is a quick calculator view of regular pay, overtime pay, and total gross pay before tax or deductions.

This makes an overtime calculator useful for shift workers, hourly employees, and anyone comparing expected earnings across different schedules. It also works well as a free calculation tool when you want to answer a practical question such as how much extra will I earn from these overtime hours, or what does time-and-a-half add to my weekly pay.

Core overtime formulas

The maths behind this calculator is straightforward. First, the tool calculates the base pay for regular hours. It then calculates the overtime rate by multiplying the hourly pay by the overtime multiplier, such as 1.5 for time and a half or 2.0 for double time. Overtime pay is the overtime rate multiplied by overtime hours worked.

Once those pieces are calculated, total gross pay is just the sum of regular pay and overtime pay. The calculator also derives an average pay per hour worked by dividing total gross pay by total hours, which is useful when you want to compare different schedules or see the blended effect of overtime on your pay.

Regular pay = Hourly rate x Regular hours worked

This is the gross pay earned at the base hourly rate before any overtime premium is added.

Overtime rate = Hourly rate x Overtime multiplier

A multiplier of 1.5 represents time and a half, while 2.0 represents double time.

Overtime pay = Overtime rate x Overtime hours worked

This gives the extra gross pay earned from overtime hours at the premium rate.

Total gross pay = Regular pay + Overtime pay

The calculator combines base earnings and overtime earnings to show the full gross total for the pay period.

Why the overtime multiplier matters

The overtime multiplier is what turns a normal hourly wage into a premium wage. A higher multiplier means each extra hour contributes more to total pay, so both overtime pay and the blended average hourly rate rise faster. That is why an accurate calculator for overtime needs both the number of overtime hours and the premium rate, not just the total hours worked.

For planning purposes, this is useful as a comparison calculator. You can test the effect of eight overtime hours versus ten, or compare time-and-a-half with double time. In real payroll, the exact overtime rule may depend on jurisdiction, contract terms, union agreements, exemptions, or how the regular rate is defined. This web calculator is therefore best treated as a gross-pay estimator calculator, not a legal ruling on entitlement.

  • More overtime hours increase overtime pay directly.
  • A higher overtime multiplier increases the pay earned on each overtime hour.
  • The blended hourly rate rises when overtime makes up a larger share of total hours worked.
  • Gross overtime results do not include tax, pension, deductions, or unpaid breaks.

Using the result correctly

This overtime calculator is best used for fast pay planning. It helps when checking a payslip estimate, comparing rota options, or working out whether extra hours are worth the trade-off for your week. Used alongside an hourly to salary calculator, salary to hourly calculator, or salary after tax calculator, it becomes part of a broader set of everyday calculators for pay and work planning.

Because overtime rules vary, the result should be read as a practical estimate built from your chosen hours and multiplier. If the question is about statutory entitlement rather than simple arithmetic, the rule set of the relevant country or employer still matters. For that reason, this free online calculator is strongest as a simple calculator for gross earnings rather than a substitute for payroll or employment-law advice.

Further reading

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