This interactive demo was created free with Storylane in 2 minutes. Create your own demo
This interactive demo was created free with Storylane in 2 minutes. Create your own demo
Start free
All Tutorials /MS Excel

How to Create a Custom Formula in Microsoft Excel

Updated on:
June 5, 2026
By:
Madhav Bhandari
Use this interactive demo to learn how to build a custom formula in Microsoft Excel.

Quick summary

A custom formula in Microsoft Excel lets you combine multiple functions and cell references to perform complex calculations in a single worksheet cell. This step-by-step walkthrough shows exactly how to construct, nest, and execute a formula from scratch using Excel's built-in function suggestions.


Steps

  1. Select the cell in your Microsoft Excel worksheet where you want to run the custom formula.
  2. Type an equals sign (=) in the selected cell to signal that the input is a formula.
  3. Type the name of the function you wish to use, then select it from the suggested results that appear.
  4. Enter the cell reference or cell range to use as the argument, then close the expression with a closing parenthesis.
  5. Input an operator or separator if you want to add another condition to the formula.
  6. Type the name of the next function and select it from the recommended matches.
  7. Add the cell range or cell reference you wish to use as the argument for the second function.
  8. Insert a closing parenthesis to end the formula; repeat the same series of steps to add more conditions.
  9. Press the Enter or Return key to run the newly created formula and view the results.

📌 Why this matters

Custom formulas in Microsoft Excel allow users to automate complex calculations by combining multiple built-in functions and cell references in a single expression. This capability is essential for data analysis, financial modeling, and reporting workflows where manual calculations would be error-prone and time-consuming. Knowing how to correctly structure a multi-function Excel formula — including proper use of operators, arguments, and parentheses — directly improves spreadsheet accuracy and productivity. Mastering custom Excel formulas is one of the most in-demand spreadsheet skills for business, finance, and operations professionals.
Your product deserves an interactive demo
Start free
Similar Articles
MS Excel

How to Organize Dates by Week in Excel

Madhav Bhandari
Director of Marketing @ Storylane
MS Excel

How to Make Cells Fit Text Microsoft Excel

Madhav Bhandari
Director of Marketing @ Storylane
MS Excel

How to Make a Bar Graph in Microsoft Excel

Madhav Bhandari
Director of Marketing @ Storylane
No items found.
Platform
Interactive Demos
Sandbox Demos
Hubs
RepX
Integrations
Solutions
Product Marketers
Growth & Demand Gen
Sales Reps & AEs
Presales & SEs
Customer Success
Product Managers
Customers
Demo Showcase
Customer Stories
Finer Demos Club
Features
Demo Signals
Personalization
Deal Intelligence
Resources
Blog
The Plot
Tutorials
Help Docs
What’s New
Demo Dundies
Company
Careers
Pricing
Partners
Contact
Trust Center
Backed by
Chrome Extension Icon
Chrome extension
Download
Desktop app
Download
Built in San Francisco Bay Area - ©2026 Storylane
Privacy PolicyTerms & Conditions
X Corp (formerly Twitter)LinkedIn
This website uses cookies to ensure you get the best experience on our website. Learn More
Got it
This website uses cookies to ensure you get the best experience on our website. Learn More
Got it