Time Converter
Convert between seconds, minutes, hours, days
Time Converter
Convert between different time units, from nanoseconds to millennia. Perfect for scientific calculations, project planning, and everyday time conversions.
Human Readable Format
Conversion Details
1.000 hours in Other Units
Time Unit Categories
Precise Time
Basic Units
Calendar Units
Long Periods
Common Time References
Human Activities
Technology
Natural Cycles
Historical Periods
Time Conversion Tips
⏰ Quick Mental Math
Remember key conversions: 1 hour = 3,600 seconds, 1 day = 86,400 seconds, 1 year ≈ 31.5 million seconds. These help with quick estimates.
📅 Calendar Variations
Months vary from 28-31 days, and leap years add an extra day. For precise calculations, consider using exact dates rather than average values.
🔬 Scientific Precision
In scientific contexts, use precise definitions: 1 second is defined by atomic transitions, and time zones/daylight saving don't affect calculations.
🌍 Time Zones
This converter works with duration, not specific times. For time zone conversions, you'll need a different tool that handles dates and locations.