✓ Excel Formula Reference
Excel Formulas Made Simple
Explore Excel formulas and functions with clear explanations, syntax, practical examples, and real-world use cases. Find formulas for calculations, data analysis, lookups, text, dates, finance, statistics, and everyday spreadsheet tasks.
EXCEL FORMULA
EXAMPLE
=XLOOKUP(E2,A2:A100,B2:B100)
Lookup Result
1,250
Excel Formula Guide
Find the Excel Formula You Need
Excel can be used for everything from simple calculations to advanced data analysis. The challenge is often knowing which function to use and how to write the formula correctly.
XcelFormulas provides practical guides to Excel formulas and Excel functions, helping you understand what each formula does, how its syntax works, and when to use it.
Whether you are learning Excel for the first time, preparing a report, analyzing data, or building a spreadsheet for work, you can explore formulas such as SUM , IF , XLOOKUP , VLOOKUP , COUNTIF , SUMIF , and many more.
Our formula guides focus on more than simply providing a formula to copy. They explain the purpose of the function, its arguments, examples, common mistakes, and related formulas that may solve the same problem in a different way.
Popular Excel Functions
Most Useful Excel Formulas
Start with some of the most commonly used Excel functions for calculations, lookups, data analysis, and everyday spreadsheet work.
SUM
=SUM(A1:A10)
IF
=IF(A1>50,"Pass","Fail")
XLOOKUP
=XLOOKUP(E2,A:A,B:B)
VLOOKUP
=VLOOKUP(A2,E:F,2,FALSE)
COUNTIF
=COUNTIF(A:A,"Complete")
SUMIF
=SUMIF(A:A,"North",B:B)
INDEX + MATCH
=INDEX(B:B,MATCH(E2,A:A,0))
FILTER
=FILTER(A2:D100,D:D="Done")
UNIQUE
=UNIQUE(A2:A100)
SORT
=SORT(A2:A100)
TEXTJOIN
=TEXTJOIN(", ",TRUE,A2:A10)
TODAY
=TODAY()
Find a Formula by Task
What Do You Want to Do in Excel?
You do not always need to know the name of an Excel function. Start with the task you want to complete and find the formulas that can help.
Count & Compare Data
Search & Match Data
Work With Text
Work With Dates
Build Advanced Formulas
Excel Formula Knowledge
Understanding Excel Formulas
An Excel formula is an expression used to calculate a result or perform an operation in a worksheet. A formula can contain numbers, operators, cell references, ranges, functions, and criteria.
A simple formula such as =A1+B1 can add values from two cells. Functions such as SUM , IF , XLOOKUP , and FILTER can perform more advanced calculations and data operations.
Excel Formula Syntax
Understanding Excel formula syntax makes it easier to create, read, and troubleshoot formulas. Different Excel functions use different arguments, so understanding what each argument represents is important when building more advanced spreadsheets.
=COUNTIF(A1:A10,">50")
Counts cells in the selected range that meet the specified condition.
=XLOOKUP(E2,A2:A100,B2:B100)
Searches for a value and returns the corresponding value from another range.
How to Choose the Right Excel Formula
Choosing the right formula depends on the type of data you are working with and the result you need. For example, SUM is useful for adding values, COUNTIF can count cells based on a condition, and XLOOKUP can find related information in another range.
When a single function is not enough, Excel formulas can be combined or nested. This allows you to create more advanced calculations without manually processing every row of data.
Advanced Excel
Advanced Excel Formulas
Once you understand the fundamentals, you can combine functions to create more powerful spreadsheet solutions. Advanced Excel formulas can work with dynamic arrays, multiple conditions, complex lookups, reusable calculations, and large datasets.
Explore advanced functions such as XMATCH , FILTER , SORTBY , SEQUENCE , LET , LAMBDA , and modern dynamic-array functions.
Because Excel functions can vary between versions, individual formula guides should explain compatibility and availability where relevant.
Formula Guides
Learn More Than Just the Formula
A useful formula guide should do more than provide a formula that can be copied into a worksheet. Each Excel formula guide should explain what the function does, how its syntax works, what each argument means, and how it can be adapted to different situations.
When exploring a formula, you can learn about its basic syntax, practical examples, common errors, alternative approaches, and related Excel functions.
This approach makes it easier to understand why a formula works instead of simply copying a formula without understanding the calculation behind it.
Frequently Asked Questions
Excel Formula FAQs
Answers to common questions about Excel formulas, functions, syntax, and spreadsheet calculations.
What is an Excel formula?
An Excel formula is an expression used to calculate a result or perform an operation in a worksheet. It can contain numbers, operators, cell references, ranges, and functions.
What is an Excel function?
An Excel function is a predefined calculation that performs a specific task. Common examples include SUM, IF, XLOOKUP, COUNTIF, AVERAGE, and TEXTJOIN.
Which Excel formulas should beginners learn first?
Beginners can start with SUM, AVERAGE, COUNT, IF, COUNTIF, SUMIF, IFERROR, XLOOKUP, VLOOKUP, INDEX, MATCH, FILTER, UNIQUE, and basic text and date functions.
Can Excel formulas be combined?
Yes. Excel functions can be nested and combined to create more advanced calculations. For example, IF can be combined with SUM, COUNTIF, XLOOKUP, and many other functions.
Are all Excel functions available in every version?
No. Some Excel functions are available only in newer versions of Excel or Microsoft 365. Individual formula guides should identify version-specific availability where applicable.
Why is my Excel formula not working?
Common causes include incorrect cell references, missing parentheses, incorrect criteria, incompatible data types, spelling errors, and differences between Excel versions.
Where can I find an Excel formula for a specific task?
Start with the task-based Excel formula guides on this website. They organize formulas around common spreadsheet tasks such as calculating percentages, finding duplicates, comparing columns, looking up values, working with dates, and manipulating text.