CALCULATOR
Hours and Minutes Calculator
Convert supplied elapsed hours/minutes into decimal hours. Example: Hours: 1 hours, Minutes component (below 60): 30 minutes component gives 1.5 hours. Elapsed nonnegative durations only; hours are not wall-clock times. Minutes component 0..59.999. No dates, timezone, midnight crossing or daylight-saving inference. Result is decimal hours, not HH.MM notation. Fractional minute input permitted.
Elapsed nonnegative durations only; hours are not wall-clock times. Minutes component 0..59.999. No dates, timezone, midnight crossing or daylight-saving inference. Result is decimal hours, not HH.MM notation. Fractional minute input permitted. Derivation: Sixty minutes per hour; divide minutes by 60 then add.
Accepted inputs: Hours: 0 to 1,000,000 hours; Minutes component (below 60): 0 to 59.999 minutes component.
Convert supplied elapsed hours/minutes into decimal hours
How the calculation works
decimal hours = hours + minutes/60
Worked example
With hours 1 hours, minutes component (below 60) 30 minutes component, convert supplied elapsed hours/minutes into decimal hours is 1.5 hours.
Assumptions and limits
Elapsed nonnegative durations only; hours are not wall-clock times. Minutes component 0..59.999. No dates, timezone, midnight crossing or daylight-saving inference. Result is decimal hours, not HH.MM notation. Fractional minute input permitted. Derivation: Sixty minutes per hour; divide minutes by 60 then add.