Complete Guide to Convert Decimal to Time in Excel
Learn how to convert decimal time (like 5.5) to standard time format (like 5:30) in Excel, enhancing your time management skills.
Convert Decimal to Time in Excel
Understanding Decimal Time
In traditional timekeeping, an hour is divided into 60 minutes, whereas in decimal time, one hour is represented as 1, and 30 minutes as 0.5. This format is common in payroll calculations and time tracking.
- Essential for payroll processing
- Facilitates accurate time tracking
- Commonly used in attendance records
- Helps in project time management
Methods to Convert Decimal to Time
Use the formula =A1/24 to convert decimal time in Excel.
For complex data, try =TIME(FLOOR(A1, 1), (A1 - FLOOR(A1, 1)) * 60, 0) for precise time conversion.
Ensure the result cell is formatted as time for accurate display.
Function Syntax
XLOOKUP(lookup_value, lookup_array, return_array, [if_not_found], [match_mode], [search_mode])
lookup_value
The value to search for
lookup_array
The range to search within
return_array
The range containing the return values
if_not_found (Optional)
Value to return if no match is found
match_mode (Optional)
0: Exact match; -1: Exact or next smaller; 1: Exact or next larger
search_mode (Optional)
1: First-to-last; -1: Last-to-first; 2: Binary search
Usage Examples
Basic Example

Looking up contact phone number for a specified customer ID in customer data table
=XLOOKUP(A2, B2:B10, C2:C10)
Advanced Example

Cross-sheet lookup with multiple matching results
=XLOOKUP(A2, Sheet2!B:B, Sheet2!C:E, "Not Found", 0)
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Try NowTroubleshooting for Decimal to Time Conversion
#N/A Error
Common error when converting decimal time; check your input values
Data Type Mismatch
Ensure the decimal time and expected format are compatible
Performance Optimization
Utilize efficient formulas to speed up large dataset conversions
Function Comparison
Feature | XLOOKUP | VLOOKUP | INDEX+MATCH |
---|---|---|---|
Lookup Direction | Bi-directional | Right only | Bi-directional |
Multiple Column Return | Supported | Not supported | Supported |
Error Handling | Built-in | Additional handling needed | Additional handling needed |
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