Time Converter
Convert between time units including seconds, minutes, hours, days, weeks, months, and years with precise decimal results. Input never leaves your device — everything runs locally in your browser.
How to Use the Time Converter
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Frequently Asked Questions
What time units can I convert between?
Seconds, minutes, hours, days, weeks, months, and years. Results include decimal precision for billing and scientific use.
How many seconds are in an hour?
1 hour = 3,600 seconds (60 minutes × 60 seconds). The converter uses exact factors for all calculations.
How are months and years calculated?
Months use the average of 30.44 days (365.25 ÷ 12) and years use 365.24 days (accounting for leap years). These are approximate — exact conversion depends on the specific month and year.
Can I convert fractional time values?
Yes. You can enter decimal values like 1.5 hours or 0.5 days for precise conversions. Enter seconds to see the equivalent in all other units simultaneously.
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Last updated October 2026