9 to 5 Hours Calculator

Advice for this situation

This tool is for the classic office-hours question where the label says 9 to 5 but the real answer depends on the break and on whether the times have drifted. Quick time-conversion pages are most useful when you need an answer fast for timesheets, payroll prep, rota messages, or a quick check before you confirm hours with a manager.

People often quote a 9 to 5 schedule casually when the actual paid hours are lower because of lunch or staggered start times. Always check your employer rounding rule, because a payroll system may round to the nearest 5, 6, or 15 minutes rather than keeping exact minute values.

UK guidance on this page is a practical planning layer, not legal advice. If the answer affects pay, dismissal, leave entitlement, or a formal workplace process, verify it against the contract, policy, collective rule, or official guidance that applies to your role.

• Treat 9 to 5 as a template, not a fixed truth.
• A standard office day often becomes a paid-hours question rather than a raw-hours question once lunch is deducted.
• Small start and finish changes are easier to compare when break time is adjustable in the same view.

What you can enter

• Start time
• End time
• Total break time: Break slider moves in 10-minute increments.

Example uses

• Standard office day - Change the start, end, or break to fit your real workday.

Frequently asked questions

• Is 9 to 5 always 8 hours? Gross time is 8 hours. Paid time depends on breaks.

Related calculators