Hour (h) to Minute (min)
Converting hours to minutes simply requires multiplying by 60. This comes up when planning journeys, setting timers, or calculating working hours. Two hours is 120 minutes, and three and a half hours is 210 minutes.
Frequently asked questions
One hour is exactly 60 minutes. This is one of the most fundamental time conversions. An hour also equals 3,600 seconds, or 1/24 of a day. The 60-minute hour originates from ancient Babylonian base-60 (sexagesimal) mathematics.
One and a half hours (1.5 h) is 90 minutes. A standard football match, a university lecture, or a West End interval performance each last around this duration. On a timesheet, 1.5 hours is written as 1:30.
Two and a half hours is 2.5 × 60 = 150 minutes. A feature film, a long-haul domestic flight, or a more involved cooking project might take around this time. The train journey from London to Edinburgh takes roughly 4.5 hours, or 270 minutes.
Multiply the decimal part by 60. For example, 1.75 hours: 0.75 × 60 = 45 minutes, giving 1 hour and 45 minutes. Many time-tracking tools record hours as decimals; knowing this conversion helps when transferring data to timesheets or invoices.