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Time Converter

Convert between seconds, minutes, hours, days, weeks, and years.

Last updated: June 13, 2026

Calculator

Value

From Unit

Results

Seconds3,600

Minutes60.00

Hours1.0000

Days0.0417

Weeks0.0060

Years0.000114

How to Use This Calculator

1Enter the time value.
2Select the unit you are converting from.
3View all equivalent time units at once.

Formula Explanation

Time units are converted through seconds as the base unit.

1 minute = 60 seconds 1 hour = 3,600 seconds 1 day = 86,400 seconds 1 week = 604,800 seconds 1 year ≈ 31,557,600 seconds (365.25 days)

Variables:

ValueThe time value to convert

From UnitThe source time unit

Worked Examples

3600 seconds to hours

1. 3600 ÷ 3600 = 1 hour
2. = 60 minutes = 0.0417 days

Result: 3,600 seconds = 1 hour

7 days to hours

1. 7 × 24 = 168 hours
2. = 10,080 minutes

Result: 7 days = 168 hours = 10,080 minutes

Why Use This Calculator

Convert between 6 time units.
Useful for project planning and time tracking.
Handles very large and small values.
Uses the Julian year (365.25 days) for accuracy.

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Tips & Best Practices

The year value uses 365.25 days to account for leap years.
1 million seconds ≈ 11.57 days. 1 billion seconds ≈ 31.7 years.
A human lifespan of 80 years ≈ 2.52 billion seconds.

Common Mistakes to Avoid

❌ Using 365 days per year instead of 365.25.

✅ The 0.25 accounts for leap years. Over long periods, this difference adds up significantly.

❌ Confusing business hours with clock hours.

✅ A "work week" is typically 40 hours (5 × 8), but a calendar week is 168 hours (7 × 24).

Frequently Asked Questions

How many seconds are in a year?

Approximately 31,557,600 seconds (using the Julian year of 365.25 days). Using exactly 365 days: 31,536,000 seconds.

What is a Julian year?

A Julian year is exactly 365.25 days. It is used in astronomy and for average calculations because it accounts for the leap year cycle.

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Embed This Calculator

Add the Time Converter to your website for free. Copy the code below and paste it into your HTML.

Width

Height

<iframe src="https://redicalc.com/embed/math/time-converter" width="100%" height="600" style="border:none;border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,0.1);" title="Time Converter — RediCalc.com" loading="lazy" allowtransparency="true"></iframe>

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Disclaimer: This calculator is provided for informational and educational purposes only. Results are estimates and should not be used as a substitute for professional advice. RediCalc.com makes no guarantees regarding the accuracy, completeness, or suitability of any calculations. Always consult a qualified professional before making financial, health, construction, or other important decisions.

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