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Reference table

Significant Figures Table: Rounded to significant figures by Number

Reference table of rounded to significant figures for Significant Figures across a range of number values — exact, engine-computed figures you can read off at a glance.

By Vikram Iyer, M.Sc Mathematics · Updated Jun 2026 · 1 min read

This significant figures reference table shows the rounded to significant figures for a range of number values, assuming a significant figures to keep of 3. Every figure is computed with the same engine that powers our Significant Figures Calculator, so the numbers are exact.

NumberRounded to significant figures
3,1003,100.000000
6,2006,200.000000
9,3009,300.000000
12,00012,000.000000
19,00019,000.000000
25,00025,000.000000
37,00037,000.000000
62,00062,000.000000
86,00086,000.000000
120,000120,000.000000

How to use this table

Find the row closest to your number and read across to the rounded to significant figures. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Significant Figures Calculator for a precise answer.

Need a value that is not in the table? — the Significant Figures Calculator does it instantly, for free, with the formula and a worked example built in.

Continue exploring math calculators with these tools: Margin of Error Calculator, Sample Size Calculator, Confidence Interval Calculator, Coefficient of Variation Calculator, Regular Heptagon Area Calculator.

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Frequently asked questions

Each cell is computed with the standard formula using exact arithmetic — the same calculation behind our Significant Figures Calculator — so every figure is accurate for the stated assumptions.

Yes. The table covers common number values; for any exact figure, enter your own numbers in the Significant Figures Calculator.

Vikram Iyer · M.Sc Mathematics

Vikram Iyer is a mathematics educator with over fifteen years of teaching experience, specialising in making quantitative concepts clear and practical for everyday use.