The Sig Fig Calculator, or Significant Figures Calculator, is a tool designed to round numbers to a specified number of significant figures. Significant figures are digits in a number that contribute to its precision, and they play a crucial role in scientific measurements and calculations.

**Physics:**Reporting experimental results with appropriate precision.**Chemistry:**Measuring substances or presenting chemical concentrations.**Engineering:**Designing components with specific tolerances.**Mathematics:**Ensuring accuracy in computations and results.

Users input a number and specify the desired number of significant figures. The calculator then rounds the number accordingly. For example, the number 123.456 rounded to three significant figures would be 123.

In scientific and engineering domains, where precision and accuracy are paramount, the Sig Fig Calculator is an indispensable tool. It ensures data is presented consistently and meaningfully, fostering clear communication and rigorous analysis.