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ACS Format Guide

Follow these ACS (4th edition) paper formatting rules to ensure your document meets the required standards. This guide covers font, margins, spacing, title page, headers, and references formatting.

Paper Formatting

Below are the core formatting requirements for papers written in ACS (4th edition) style.

Font
12 pt Times New Roman
Font Size
12 pt
Margins
1 inch on all sides
Spacing
Double-spaced for manuscripts
Title Page
Title, author names, affiliations, corresponding author email, and abstract on the first page
Headers / Page Numbers
Page numbers in the upper-right; running head (abbreviated title) in upper-left

References Formatting

Your references must follow these rules to be correctly formatted in ACS style:

  1. Title the section "References" at the end of the manuscript
  2. Number references in the order they appear in the text; place the number in parentheses at the start of each entry
  3. Separate multiple authors with semicolons
  4. Abbreviate journal names per CAS conventions
  5. Include the DOI for all journal articles whenever available
  6. For books, list publisher location followed by publisher name, then year
  7. Italicize journal names and book titles

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Frequently Asked Questions

What font and size should I use for ACS format?
ACS (4th edition) requires 12 pt Times New Roman. The standard font size is 12 pt.
What are the margin requirements for ACS?
ACS papers require 1 inch on all sides. This applies to the top, bottom, left, and right margins of every page.
Does ACS require a title page?
Title, author names, affiliations, corresponding author email, and abstract on the first page

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