Many writers struggle with small grammar details, especially when choosing between “that’s” and “thats.” While “that’s” is a correct contraction of “that is” or “that has,” the form “thats” is considered incorrect in standard English. Understanding this distinction can greatly improve writing clarity and professionalism. This difference between thats and that’ s guide provides simple explanations, clear examples, and practical tips to help readers avoid common mistakes and use the correct form with confidence.