Time Calculator: Add and Subtract Hours and Minutes
Need to add time or subtract time? This free hours and minutes calculator adds durations, converts minutes to seconds, and shows decimal hours for timesheets and payroll.
It runs in your browser as a free web app – no download and no account. Results update as you type, and one tap copies them for your invoice or spreadsheet.
How do I add hours and minutes?
Enter both durations, choose Add, and the total appears instantly.
Does it show decimal hours?
Yes. Decimal hours and decimal minutes are shown next to the h:m:s result.