Time Calculator

Add or subtract hours, minutes and seconds. Convert between time units instantly.

✓ Free to use ✓ Instant results ✓ Mobile friendly ✓ No sign-up needed

Operation

Hours

Minutes

Seconds

Hours 2

Minutes 2

Seconds 2

Result

In Minutes

In Seconds

🕐 Plan your day perfectly

How Time Addition Works

When adding time, carry over seconds to minutes (60s=1min) and minutes to hours (60min=1hr). This calculator handles all carry-overs automatically.

Can this convert time zones?+

This tool adds/subtracts time durations. For time zone conversions, use our Date & Time Planner.

How do I convert hours to minutes?+

Multiply hours by 60. E.g. 2.5 hours = 2.5 × 60 = 150 minutes.