Rounding & Significant Figures Calculator
Round numbers to decimal places, the nearest 10/100/1000, or a number of significant figures.
About the Rounding & Significant Figures Calculator
Round any number the way you need: to a fixed number of decimal places, to significant figures for science, to the nearest 10, 100 or 1000, or simply up or down. Halves are rounded away from zero.
How to use the Rounding & Significant Figures Calculator — step-by-step guide
Frequently asked questions
Is the Rounding & Significant Figures Calculator free?
Yes. The Rounding & Significant Figures Calculator on Apex Tool Station is 100% free with no signup and no watermark. Browser tools have no usage limits.
Are my files or data uploaded to a server?
No. Everything runs locally in your browser using JavaScript. Your files and text never leave your device, which makes it safe for private documents.
Does it work on mobile?
Yes. The tool works on any modern browser on Android, iPhone, Windows, Mac and Linux.