21K School / Calculators / Time Addition Calculator

Time Addition Calculator

Add hours, minutes and seconds with automatic carry-over.

hh:mm:ss

FORMAT

Auto

CARRY-OVER

UNITS

Time Addition Calculator

Add hours, minutes and seconds with automatic carry-over.

Time 1 (h / m / s)

Hours

Minutes

Seconds

Time 2 (h / m / s)

Hours

Minutes

Seconds

—

Total (hh:mm:ss)—

Total seconds—

Total minutes—

How it works

Enter hours, minutes, seconds for each time value.

60 seconds = 1 minute carry-over; 60 minutes = 1 hour.

Result shown in hh:mm:ss, total seconds and total minutes.

Example

1h 30m 45s

+ 2h 45m 30s

= 4h 16m 15s

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