Time

What is a Second? (s)

Definition

The second (symbol: s) is the base unit of time in the International System of Units (SI). It is formally defined based on the radiation frequency of the caesium-133 atom. The second is the foundation for all other units of time and is used in science, computing, and everyday timekeeping.

Common Uses

  • › Athletic and race timing
  • › Computing and clock speeds
  • › Scientific measurement
  • › Cooking and kitchen timers

Converters

Seconds to Minutes →

Key Facts

  • Symbol
    s
  • Category
    Time
  • 60 s = 1 minute
  • 3,600 s = 1 hour
  • 86,400 s = 1 day
  • 1 s = 1,000 ms

Related Terms

About the Second

The second (symbol: s) is the base unit of time in the International System of Units (SI). It is formally defined based on the radiation frequency of the caesium-133 atom. The second is the foundation for all other units of time and is used in science, computing, and everyday timekeeping.

Equivalents and conversions

  • 60 s = 1 minute
  • 3,600 s = 1 hour
  • 86,400 s = 1 day
  • 1 s = 1,000 ms

Super tools

Welcome to Super Tools! We're here to provide you with a collection of easy-to-use tools and utilities to help make your day-to-day tasks a little bit easier.

About Super Tools

Whether you need to quickly count the number of characters in a block of text, convert measurements from pixels to inches, or generate a catchy business name, you'll find what you need right here.

Our goal is to create a one-stop-shop for all your basic productivity needs. We've carefully curated a set of practical, user-friendly tools that are accessible to everyone. No complicated setups or confusing interfaces - just simple solutions to common problems.

Feel free to explore our growing suite of free tools and let us know if there's anything else we can do to help streamline your workflow. We're always happy to hear your feedback and suggestions.

Is Super Tools free?

Our suite of productivity tools is 100% free for anyone to use. We believe everyone should have access to helpful utilities that can save time and make life easier. Whether you're a student, freelancer, small business owner, or just someone looking to simplify certain tasks, you can take advantage of our free character counters, unit converters, name generators, and more without paying a dime. Our commitment to providing valuable, cost-free resources is central to our mission. You'll never encounter paywalls, subscriptions, or hidden fees on our site - just high-quality tools that you can use at no charge. Explore our growing collection of free online utilities today and discover how they can streamline your workflows and boost your productivity.