Excel Serial Date to ISO 8601

Convert excel (Excel) to iso (ISO) with formulas, examples, and conversion tables.

Excel
ISO
1 Excel = -2209075200 ISO
Full precision:-2209075200 ISO
Step-by-Step Solution

To convert 1 excel to iso, we multiply by 1 because one excel serial date equals exactly 1 iso.

1 excel serial date = 1 iso

Since each excel serial date contains 1 iso, we multiply our value by this factor:

1 × 1 = -2209075200 iso

So 1 excel = -2209075200 iso.

Quick check: -2209075200 ÷ 1 = 1 excel

How to Convert Excel to ISO

To convert excel to iso, multiply the value by 1.

The Formula

ISO = Excel × 1

Key Fact

1 excel serial date = 1 iso

Tip: To convert iso back to excel, divide by 1.

Example Conversions

Example 1: 1 Excel = -2209075200 ISO
1 × 1 = -2209075200
Example 2: 5 Excel = -2208729600 ISO
5 × 1 = -2208729600
Example 3: 10 Excel = -2208297600 ISO
10 × 1 = -2208297600

Excel to ISO Table

ExcelISO
0 Excel-2209161600 ISO
86400 Excel5255798400 ISO
604800 Excel5.0046e+10 ISO
1765163406 Excel1.5251e+14 ISO

1 Excel Serial Date in Other Units

Unit1 Excel =
Excel Date to Unix Timestamp-2209075200 Unix
Excel Serial Date to ISO 8601-2209075200 ISO
Excel Serial Date to Julian Day2415019.5 JD
Excel Serial Date to Modified Julian Day15019 MJD

Related Conversions