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Time Converter

Convert between nanoseconds, milliseconds, seconds, minutes, hours, days, weeks, months and years.

Nanosecondsns

Microsecondsµs

Millisecondsms

Secondss

Minutesmin

Hourshr

Daysday

Weekswk

Months (avg)mo

Years (avg)yr

📌 Month = 30.4375 days (avg), Year = 365.25 days (avg). These are averages accounting for leap years.

About Time Converter

Converting between different units and formats shouldn't require googling formulas or downloading apps. Time Converter handles it instantly in your browser, letting you convert between nanoseconds, milliseconds, seconds, minutes, hours, days, weeks, months and years with precision. Results update in real time as you type, and all processing happens locally on your device.

How to Use

Enter a value Type the number you want to convert into the input field.

Select units Choose the source and target units from the dropdown menus.

Get instant results The converted value appears immediately as you type — no button press needed.

Copy the result Click the Copy button or select the output value to copy it for use elsewhere.

🔒 Privacy note: All processing happens locally in your browser. Your data is never sent to any server.

Why Use Time Converter?

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Real-Time Conversion Results update instantly as you type — no need to press a button. Quickly compare multiple values or find the exact conversion you need.

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High Precision Time Converter uses accurate conversion factors from international standards. Results are precise enough for engineering, scientific, and professional use.

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Mobile Ready Fully responsive design works perfectly on phones and tablets. Great for quick conversions when you're shopping, cooking, or traveling.

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All Common Units Covers the most commonly needed unit conversions, including both metric (SI) and imperial systems, so you always find what you're looking for.

Frequently Asked Questions

1 day = 24 hours = 1,440 minutes = 86,400 seconds. This is a common programming constant.

1 average year = 365.25 days = 31,557,600 seconds. A non-leap year has 31,536,000 seconds; a leap year has 31,622,400 seconds.

A millisecond (ms) = 1/1000 of a second. Human reaction time is about 150–300 ms. It's the common unit for measuring web performance and network latency.