Time Converter

Convert between seconds, minutes, hours, and days using exact calendar-second definitions.

Works for any combination of the units above -- every value converts through the same verified base-unit math used on the individual pages.

How Time Units Relate

Time units follow a base-60 system (60 seconds per minute, 60 minutes per hour) that predates the metric system by thousands of years, rather than the base-10 pattern used elsewhere in SI. The day is treated as exactly 24 hours here for calendar and everyday purposes.

All Time Converters

Each of these has its own page with the exact formula, a reference table, and answers to common questions.

Hour to Minute Minute to Second Day to Hour

Cedrick Reese

Ready Utilities was founded by Cedrick Reese, a retired veteran and web developer who enjoys building free, user-friendly online tools that simplify everyday tasks. His journey began in the early 2000s with affiliate marketing and niche site development, which grew into a passion for creating practical digital utilities and calculators. After retiring, he earned a Computer Systems Technician certificate from UEI College, completed Electro-Mechanical Technologies at Tulsa Welding School, and finished the Carpentry program at Florida State College at Jacksonville. Today, he combines his technical background and craftsmanship by building furniture using traditional woodworking methods, gardening, and developing helpful online tools for users worldwide.