Calculate Payroll Hours & Pay
Enter hourly rate and daily hours to compute weekly gross pay.
| Day | Hours Worked |
|---|---|
| Monday | |
| Tuesday | |
| Wednesday | |
| Thursday | |
| Friday | |
| Saturday | |
| Sunday |
How the Payroll Hours Calculator Works
Four steps to compute weekly payroll.
Enter Hourly Rate
Set your regular hourly rate and overtime rules (threshold and multiplier).
Enter Daily Hours
Type hours worked per day for each day of the week. Use decimals for partial hours.
Calculate
Click "Calculate Payroll" to process. Regular vs overtime hours are separated automatically.
View Payroll
See regular pay, overtime pay, and gross pay with a full hours breakdown.
What Is a Payroll Hours Calculator?
Understanding payroll computation.
Payroll basics
A Payroll Hours Calculator computes employee compensation by multiplying hours worked × hourly rate. It separates regular hours from overtime and applies the correct pay rate to each category.
The formula: Gross Pay = (Regular Hours × Rate) + (OT Hours × Rate × OT Multiplier). For 45 hours at $22/hr with 1.5× OT after 40: (40 × $22) + (5 × $33) = $880 + $165 = $1,045.
Decimal hours for payroll
Payroll systems use decimal hours. 8h 15m = 8.25 hrs. 8h 30m = 8.50 hrs. This format eliminates errors from manual time-to-decimal conversions.
Weekly vs bi-weekly payroll
Overtime is typically calculated per week, not per pay period. Even in bi-weekly payroll, each week's hours are evaluated separately against the 40-hour threshold. Log the daily hours that feed into it with the time card calculator.
When to Use a Payroll Hours Calculator
Common payroll scenarios.
Small Business Payroll
Process employee payroll without expensive software. Calculate gross pay for your team each week.
Paycheck Verification
Employees can verify their pay stub is correct. Cross-check regular hours, OT hours, and gross pay.
Labor Cost Estimation
Estimate labor costs for projects. Calculate what a team will earn based on scheduled hours.
HR Processing
HR departments compute payroll for multiple employees. Quick calculations before entering into payroll software.
Manufacturing
Calculate pay for hourly production workers with variable shifts and mandatory overtime.
Freelance Invoicing
Freelancers can compute project earnings based on tracked hours and agreed hourly rates.
Payroll Calculation Examples
Sample payroll computations.
Standard 40-hour week
40 hours × $22/hr = $880. No overtime. Clean payroll.
45-hour week with OT
40 regular ($880) + 5 OT at $33 ($165) = $1,045 gross.
Part-time 25 hours
25 hours × $18/hr = $450. No overtime triggered at 25 hours.
Step-by-Step Walkthrough
A full pay period taken from daily hours to a gross pay figure, with every intermediate number shown.
A hospitality worker logs 8.5, 7.25, 9.0, 8.75, 6.5 and 4.0 hours across six days. The rate is $18.75/hour, overtime begins after 40 hours weekly at a 1.5 multiplier.
Total the daily hours
8.5 + 7.25 + 9.0 + 8.75 + 6.5 + 4.0 = 44.00Every day is already net of unpaid breaks, so these values can simply be summed. Adding raw clock spans instead would carry break time into the payroll total.
Running total44.00 total hours
Compare against the weekly threshold
44.00 > 40 → 4.00 hours qualify for the premiumThe test happens once on the weekly total, not day by day. The 9-hour Wednesday does not create overtime on its own under a weekly rule.
Running total4.00 overtime hours
Split the bands
Regular = 40.00 Overtime = 44.00 − 40.00 = 4.00All 44 hours are paid. The threshold caps how many are priced at the base rate — it never removes hours from the total.
Running total40.00 + 4.00
Price each band
Regular: 40.00 × $18.75 = $750.00 Overtime: 4.00 × $18.75 × 1.5 = $112.50The overtime rate here is $28.125 per hour. Rounding that rate to $28.13 before multiplying would introduce a two-cent error — round the money, not the rate.
Running total$750.00 + $112.50
Total the gross pay
$750.00 + $112.50 = $862.50Gross pay is the figure before any deduction. Tax, social security and pension contributions all come off after this point, so it will always exceed take-home pay.
Running total$862.50 gross
A 44-hour week at $18.75 with time-and-a-half after 40 pays $862.50 gross — the four overtime hours contribute $112.50, which is $37.50 more than base-rate hours would.
Common Mistakes and Pro Tips
Mistakes that quietly corrupt your numbers
Rounding the overtime rate to $28.13 before multiplying by the hours.
Multiply at full precision — 4 × $28.125 = $112.50 — and round only the final currency amount.
Why it matters: A half-cent per hour looks harmless until it is multiplied by hours, by employees and by pay periods. Rounding intermediate rates is the classic source of payroll totals that miss a control figure by a few dollars with no obvious cause.
Summing gross clock spans and calling the result payroll hours.
Deduct unpaid breaks from each day before the daily figures enter the payroll total.
Why it matters: Half an hour a day across six days is three hours — enough on its own to push a 41-hour week over a 40-hour threshold and manufacture overtime that was never worked.
Applying the overtime threshold to each day as well as to the week, and paying both.
Apply the rule your agreement defines. Where both daily and weekly rules exist, pay the greater, not the sum.
Why it matters: The same hour cannot be overtime twice. Adding the two tests together double-counts every hour that triggers both, and the overpayment grows with exactly the weeks that are already most expensive.
Treating the gross figure as what will land in the bank account.
Read it as gross — the amount before tax and other deductions.
Why it matters: Take-home pay is typically a good deal lower, and the gap depends on tax code, pension elections and local rules that no hours calculator can know. Presenting gross as net creates expectations that payday will not meet.
Pro tips
Carry full precision until the end
Keep hours to two decimals and rates exact through every intermediate step. Round once, on the final currency figure — this is the single most effective way to keep payroll totals reconcilable.
Match the period to the pay cycle
Weekly, fortnightly, semi-monthly and monthly cycles all treat the overtime threshold differently. A semi-monthly period does not contain a whole number of weeks, so the threshold must still be tested per work week.
Reconcile against a control total
Before submitting, check that regular pay plus overtime pay equals gross pay, and that regular hours plus overtime hours equals total hours. Two additions catch most data-entry errors.
Keep hours and rates as separate records
When a rate changes mid-period, stored hours can be repriced but a stored pay figure cannot be unpicked. Store the inputs and derive the money.
Verify the premium independently
The overtime premium alone should equal OT hours × rate × (multiplier − 1). Here that is 4 × $18.75 × 0.5 = $37.50. If it does not match, the band split is wrong.
Export before you edit
Save a copy of the period’s figures before making corrections. Payroll queries are usually about what changed, and that question is unanswerable without the earlier version.
Gross Pay by Weekly Hours and Rate
Gross weekly pay with a 40-hour threshold and time-and-a-half beyond it. Filter by rate or by hours to find your row.
| Hours worked | @ $15.00 | @ $18.75 | @ $22.00 | @ $28.00 |
|---|---|---|---|---|
| 35.00 | $525.00 | $656.25 | $770.00 | $980.00 |
| 37.50 | $562.50 | $703.13 | $825.00 | $1,050.00 |
| 40.00 | $600.00 | $750.00 | $880.00 | $1,120.00 |
| 42.00 | $645.00 | $806.25 | $946.00 | $1,204.00 |
| 44.00 | $690.00 | $862.50 | $1,012.00 | $1,288.00 |
| 45.00 | $712.50 | $890.63 | $1,045.00 | $1,330.00 |
| 48.00 | $780.00 | $975.00 | $1,144.00 | $1,456.00 |
| 50.00 | $825.00 | $1,031.25 | $1,210.00 | $1,540.00 |
| 55.00 | $937.50 | $1,171.88 | $1,375.00 | $1,750.00 |
| 60.00 | $1,050.00 | $1,312.50 | $1,540.00 | $1,960.00 |
No rows match that filter.
All figures are gross, before tax and deductions. Notice the jump in cost per hour above the 40.00 row — that is the premium. To produce the hours total these rows assume, use the timesheet calculator first.
Payroll Hours in Detail
Where hours arithmetic meets pay cycles, precision and the audit trail.
Pay periods and the work week are different things
A pay period is when someone is paid. A work week is the fixed seven-day span used to test overtime. They coincide on a weekly cycle and diverge on every other.
Semi-monthly pay is the awkward case: periods of 15 or 16 days contain a fraction of a week at each end. Overtime must still be assessed per work week, which means a single pay period can contain two partial weeks that each need testing separately.
Compute hours by work week, then map those results onto the pay period — not the other way round.
A precision policy worth writing down
Payroll needs a stated rule for precision, because different tools default differently. A workable policy:
- Hours: two decimal places, rounded at the daily total
- Rates: full precision, never rounded
- Money: two decimal places, rounded once at the final figure
The critical rule is the middle one. An overtime rate of $28.125 is a real number, and rounding it before multiplication is where reconciliation failures begin.
What gross pay does not include
The figure this calculator produces is gross pay from hours worked. It deliberately excludes:
- Tax, social security and pension deductions, which reduce it
- Bonuses, tips, commission and shift allowances, which add to it
- Paid leave, holiday and sick pay, which are separate entitlements
- Employer-side costs, which never appear on a payslip at all
Treat it as the hours-worked component of pay, and add the other elements deliberately rather than expecting them to appear.
Building an audit trail that survives a query
Most payroll disputes are about a specific number in a specific week, raised months later. A record that answers them holds the inputs, not just the outputs:
- Daily hours as entered, and where they came from
- The rate, threshold and multiplier in force at the time
- Any manual adjustment, with a reason attached
With those three, any figure can be reproduced exactly. Without them, the only available answer is that the system said so — which has never resolved a payroll query.
Frequently Asked Questions
Common questions about the Payroll Hours Calculator.
How do I calculate payroll hours?
Enter your hourly rate and clock-in/out times for each day. The calculator totals your hours, separates regular from overtime, and computes gross pay with proper overtime rates.
What is gross pay?
Gross pay is your total earnings before deductions (taxes, insurance, retirement). It includes regular pay + overtime pay. Net pay (take-home) is gross pay minus deductions.
How is overtime pay calculated for payroll?
Hours over the overtime threshold (default 40/week) are paid at the overtime rate (typically 1.5× regular rate). Regular pay + overtime pay = gross pay.
What are decimal hours in payroll?
Payroll systems use decimal hours for calculations. 8h 30m = 8.50 decimal hours. This format allows direct multiplication with hourly rates: 8.50 × $20 = $170.
Can I calculate bi-weekly payroll?
This calculator handles one week (7 days). For bi-weekly payroll, calculate each week separately. Overtime is typically computed per week, not per pay period.
Is this payroll calculator free?
Yes, completely free. No sign-up needed. All calculations happen in your browser — employee data stays private.
Is the pay figure gross or net?
Gross — the amount before any deduction. Tax, social security, pension contributions and other withholdings are applied afterwards, so the amount actually received on payday is lower and depends on circumstances this calculator cannot know.
Should I round the overtime rate before multiplying?
No. An overtime rate such as $28.125 should be used at full precision and only the final currency amount rounded. Rounding the rate first introduces a small per-hour error that multiplies across hours, employees and pay periods.
How does overtime work on a semi-monthly pay cycle?
The overtime threshold is tested against each fixed work week, not against the pay period. Because semi-monthly periods do not contain a whole number of weeks, a single period can include two partial weeks that each need assessing separately.
Do paid holiday hours count towards the overtime threshold?
Usually not, since the threshold is normally measured against hours actually worked. Add paid leave to gross pay separately rather than including it in the hours total, or it can create overtime that was never earned.
Can I use this to check my payslip?
It is a good check on the hours-worked portion of gross pay. Differences usually come from bonuses, allowances, paid leave or a mid-period rate change rather than from the arithmetic — compare the hours and rate first before assuming an error.