How to calculate hours and minutes

Everhour keeps tracked time connected to projects and timesheets, while hour-and-minute math starts with exact clock spans.

How much did you earn this week?

Enter your daily hours and rate to instantly calculate total hours, regular pay, and any overtime — no spreadsheet needed.

$
Weekly gross pay
Regular hours40h
Overtime hours0h
Regular pay$1,400.00

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Everhour — Time Tracking
Time Entries
01:24:00
00:31:00
01:07:00

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Everhour — Budgeting
Acme Web Project
1
50% of budget used
$2,500.00of $5,000.00
$2,500.00 remaining
75%
Actual costRemaining cost

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Everhour — Reports

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Tracked hours flow straight into a polished invoice — no copy-paste, no manual math.

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Everhour — Invoices
Your Company LLChello@yourcompany.com
INVOICE
Invoice #1042
Group by:
DescriptionHoursRateAmount
Website Redesign14h$150/h$2,100.00
Brand Guidelines7h$150/h$1,050.00
Marketing Strategy3.5h$150/h$525.00
Total Due$3,675.00
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Time math behind a timesheet total

What this calculation answers

The calculation answers a plain question: how much payable or billable time sits between a start time and an end time after required deductions. A timesheet usually starts with clock times in a U.S. 12-hour AM/PM format, such as 8:10 AM and 4:40 PM. The usable result is often decimal hours because payroll, invoices, and reports need a number that can be multiplied by a rate.

The same method works for a single shift, a day with multiple shifts, or a full pay period. Add each worked span, subtract only unpaid breaks, then convert the remaining minutes into hours. Hours worked include required duty time and additional work an employer suffers or permits, including unscheduled work before or after a shift.

Convert times into total minutes

Start by converting both clock times into minutes after midnight. Subtract the start from the end, then subtract unpaid break minutes. For a shift from 8:10 AM to 4:40 PM, the gross span is 8 hours and 30 minutes, or 510 minutes. After a 30-minute unpaid meal period, paid time is 480 minutes.

Convert minutes to decimal hours by dividing by 60. In that example, 480 minutes divided by 60 equals 8 hours. At $23.75 per hour, straight-time pay is $190 before taxes, deductions, overtime, or premiums. A shift that crosses midnight needs one extra step: add 24 hours to the end time before subtracting the start time.

Keep minutes in base 60

The most common mistake is treating minutes like decimals. One hour and 30 minutes is 1.5 hours, not 1.30 hours, because 30 minutes divided by 60 equals 0.5. For payroll math, every minute total should pass through the same conversion: minutes divided by 60.

Rounding needs a separate rule. Federal time-clock rounding may use the nearest 5 minutes, tenth, or quarter-hour only if the practice averages out over time and does not underpay employees for actual hours worked. A quarter-hour method can round 8:07 AM down to 8:00 AM, but 8:08 AM rounds to 8:15 AM.

Use a calculator or workflow

A one-off calculation is enough when you need to check one shift, convert minutes to decimal hours, or verify a small invoice. Keep the source entries nearby: start time, end time, unpaid break length, rate, and any notes about work performed before or after the scheduled shift.

A managed workflow is better when several people submit time every week, managers approve entries, or payroll needs a clean handoff. Everhour embeds tracking controls inside supported project tools, syncs project and task metadata, and keeps timesheets tied to the work context that produced the hours.

This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.

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Frequently Asked Questions

How do you add hours and minutes on a timesheet?

Convert each entry to minutes first, add the minutes, then convert the total back to hours and minutes or decimal hours. For example, 2 hours 45 minutes plus 3 hours 20 minutes equals 165 minutes plus 200 minutes, or 365 minutes. That is 6 hours and 5 minutes.

How do you turn minutes into decimal hours?

Divide the minute count by 60. Fifteen minutes is 0.25 hours, 30 minutes is 0.5 hours, and 45 minutes is 0.75 hours. Payroll and billing systems commonly use decimal hours because the total can be multiplied directly by an hourly rate.

Do unpaid lunch breaks reduce total hours?

Unpaid lunch breaks reduce total hours only when the meal period qualifies as unpaid time. Under the federal baseline, a bona fide meal period is generally unpaid only when it lasts at least 30 minutes and the employee is completely relieved from duty. Work performed while eating still counts as hours worked.

How should overnight hours be calculated?

Convert both times to minutes and treat the end time as part of the next day. Add 24 hours to the end time before subtracting the start time. A shift from 10:00 PM to 6:00 AM equals 8 hours because 6:00 AM becomes 30 hours after the prior midnight in the calculation.

Can rounded time change the final total?

Rounded time can change the final total, so the rounding rule must be neutral. Federal rules allow rounding to the nearest 5 minutes, tenth, or quarter-hour only when the practice averages out over time and does not underpay employees for actual hours worked. Keep raw punches when reviewing disputes.

How does Everhour connect timesheet hours to work tools?

Everhour integrates with tools such as Asana, ClickUp, GitHub, Jira, Monday, Notion, Trello, QuickBooks, Xero, and others. Tracking controls can appear inside supported workflows, and synced project and task metadata keeps submitted time tied to the work item behind each entry.

Turn time math into approved records

Connect tracked hours to project tools, review submitted timesheets, and keep payroll or billing handoffs tied to Everhour's integration-based time workflow.

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