Significant figures: Learn how to round numbers to a

Learn how to round numbers to a specified number of significant figures with this online tool. Enter whole numbers, real numbers, scientific notation or e notation and get the answer with rules and examples. Learn what significant figures are and how to identify, round off and use them in maths. Find out the rules for decimal, standard and general form numbers and practice with examples and quizzes. Significant Figures Appropriate number of significant data is important in order to have a meaningful level of power-resolution when reporting analytical concentrations. Various methods or parameters can be used to determine how many significant figures are required. In most cases, three key figures are sufficient. Significant Figures Calculator is a free online tool that displays the significant figures of the given number. BYJU’S online significant figures calculator tool makes the calculation faster, and it displays the significant figures of the number in a fraction of seconds.