Step-by-step instructions
- Enter or select Hour.
- Enter or select Minute.
- Enter or select AM or PM.
- Tap Calculate.
- Review the result shown directly below the calculator.
Convert 12-hour time to 24-hour military time.
Convert 12-hour time to 24-hour military time.
The calculator applies the standard mathematical relationship for the labeled inputs and returns the computed result automatically.
Try entering realistic values for Hour and Minute, then tap Calculate to see how the result changes.
Use the result as an estimate based on the values you entered. For planning decisions, double-check that the input units and assumptions match your real situation.
Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.