Hourly Gross Pay Calculator: How It Works

This calculator works out your gross pay for a given number of hours worked at an hourly rate, before any deductions like taxes or insurance. You enter the hourly wage and the hours worked (plus any overtime rate and hours if applicable), and it returns your total gross pay, regular pay, and overtime pay. The result is the amount on your paycheck before any money is taken out.

Formula

The gross pay is the sum of regular pay and overtime pay:

Gross Pay = (Hourly Rate × Regular Hours) + (Hourly Rate × Overtime Multiplier × Overtime Hours)

• Hourly Rate (R) – the amount of money earned per hour, in dollars (or any currency).
• Regular Hours (H) – the number of hours worked at the standard rate, typically up to 40 per week.
• Overtime Multiplier (M) – the factor applied to the hourly rate for overtime hours. Common values are 1.5 (time-and-a-half) or 2.0 (double time).
• Overtime Hours (O) – the number of hours worked beyond the regular threshold.

If there is no overtime, the formula simplifies to Gross Pay = R × H.

Worked Example

Using the default values from the calculator: hourly rate $20, 40 regular hours, 5 overtime hours, and a 1.5 overtime multiplier.

1. Regular pay = $20 × 40 = $800.00
2. Overtime pay = $20 × 1.5 × 5 = $150.00
3. Gross pay = $800.00 + $150.00 = $950.00

The calculator shows the same result: gross pay $950.00, regular pay $800.00, overtime pay $150.00.

When to Use This Calculator

Use this tool when you need a quick estimate of your gross earnings for a week, a pay period, or a project. It is especially helpful for:

• Hourly employees checking their paycheck before taxes and deductions.
• Freelancers or contractors estimating income from hourly projects.
• Budgeting or comparing job offers with different hourly rates.
• Planning for overtime – seeing how extra hours affect total pay.

Remember, gross pay is not your take-home pay. Deductions like federal and state income tax, Social Security, Medicare, health insurance premiums, and retirement contributions are subtracted later.

How to Read the Result

The main number is your gross pay – the total amount earned before any deductions. The regular pay and overtime pay are shown separately so you can see how much of your earnings came from standard hours versus overtime. If you are paid bi-weekly or semi-monthly, simply enter the total hours worked in that pay period.

Overtime rules vary by country and sometimes by state or province. In the United States, the Fair Labor Standards Act (FLSA) requires overtime pay of at least 1.5 times the regular rate for hours worked over 40 in a workweek, but some states have stricter rules. This calculator uses the multiplier you enter, so you can adjust it to match your situation.

Common Mistakes and Unit Mix-Ups

• Forgetting to include overtime hours – if you worked more than 40 hours, you must enter the extra hours separately, not add them to regular hours.
• Using the wrong overtime multiplier – some jobs pay double time (2.0) for holidays or certain days. Check your employment contract or local laws.
• Mixing up pay periods – if you are paid every two weeks, your regular hours might be 80, not 40. Adjust the regular hours field accordingly.
• Ignoring rounding – the calculator rounds to two decimal places, which is standard for currency. If you need more precision, keep more decimal places in your own calculations.

Limitations of the Formula

This formula assumes a simple hourly wage structure. It does not account for:

• Bonuses, commissions, tips, or other variable pay.
• Paid time off, sick leave, or holidays (these are typically paid at the regular rate, but may be tracked separately).
• Shift differentials (extra pay for night or weekend shifts).
• Deductions or taxes – this is gross pay only.
• Overtime calculations that are based on a daily threshold (e.g., more than 8 hours in a day) rather than a weekly threshold.

For salaried employees, this calculator is not appropriate – use a salary-to-hourly converter instead.

Frequently Asked Questions

What is gross pay?

Gross pay is the total amount of money you earn before any deductions are taken out. It includes your regular hourly earnings plus any overtime, bonuses, or other compensation. Your net pay, or take-home pay, is what you actually receive after taxes and other deductions.

How do I calculate overtime pay?

Overtime pay is calculated by multiplying your regular hourly rate by the overtime multiplier (usually 1.5) and then by the number of overtime hours worked. For example, if you earn $20 per hour and work 5 overtime hours at time-and-a-half, your overtime pay is $20 × 1.5 × 5 = $150.

Is overtime always 1.5 times the hourly rate?

Not always. The federal standard in the U.S. is 1.5 times for hours over 40 in a workweek, but some states have different rules, and some employers offer double time (2.0) for certain days like holidays. Always check your employment contract or local labor laws.

Can this calculator work for salaried employees?

No. This calculator is designed for hourly workers. Salaried employees are paid a fixed amount per year, regardless of hours worked. To compare a salary to an hourly rate, you would need to divide the annual salary by the number of working hours in a year (typically around 2,080 for full-time).

What if I work different rates for different tasks?

If you have multiple hourly rates, you would need to calculate each portion separately and then add them together. For example, if you work 10 hours at $15 and 5 hours at $20, your gross pay is (10 × $15) + (5 × $20) = $250.

Does gross pay include tips?

Tips are generally considered part of gross pay for tax purposes, but they are not included in this calculator. If you receive tips, you would need to add them to the gross pay result to get your total gross income.

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in rate | Hourly rate | $ | 20 | 0
in hrs | Regular hours | h | 40 | 0
in ot_hrs | Overtime hours | h | 5 | 0
in ot_mult | Overtime multiplier | x | 1.5 | 1
out gross | Gross pay | $ | (rate * hrs) + (rate * ot_mult * ot_hrs) | 2
out reg_pay | Regular pay | $ | rate * hrs | 2
out ot_pay | Overtime pay | $ | rate * ot_mult * ot_hrs | 2