Days to Seconds

1 day = 86400 seconds

Converter Calculator

1 Days (d) = 86,400 Seconds (s)

Explanation

Multiply days by 86,400 because one day is exactly 24 hours of 3600 seconds.

Common Conversion Values

Days (d)Seconds (s)
1 86,400
5 432,000
10 864,000
30 2,592,000
60 5,184,000
120 10,368,000
300 25,920,000
600 51,840,000
1,800 155,520,000
3,600 311,040,000

How to use this hub

  1. Choose a converter family.
  2. If converting to/from grams from a volume unit, select an ingredient.
  3. For pure unit changes (volume↔volume or weight↔weight), use universal conversions.

If your conversion includes grams, you’ll choose an ingredient; otherwise you won’t.

Frequently Asked Questions

What defines this conversion?

The factor follows exact fixed relationships between seconds, minutes, hours, days, and weeks.

Is the reverse conversion available?

Yes. Use the switch button or open the Seconds (s) to Days (d) hub to view the mirror conversion.

Can I use decimals?

Yes. Decimal inputs are supported so fractional time values remain precise in calculator output.