Log Base 10 Calculator

Calculate common logarithm log10(x) for positive inputs.

Author

Prof. Oleksandr Kovalenko

Math editorial contributor

Ukrainian cybersecurity researcher at ETH Zurich, focused on post-quantum cryptographic protocols

Reviewed by

Dr. Emeka Nwosu

Math content reviewer

Nigerian legal scholar with an SJD from Yale, focused on international trade law and African continental free trade agreements

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

Table of Contents

  1. Reference values
  2. Calculator
  3. Reference table
  4. FAQs
  5. Methodology and review
  6. Related conversions

6 Number =

0.778151 log10(x)

Representative value from the Log Base 10 Calculator reference table.

Reference Values

Browse 20 reference values with individual detail pages for quick lookup.

Browse all reference values

Log Base 10 Calculator

Calculate common logarithm log10(x) for positive inputs.

Calculated Result

Reference Table

Use this complete table for quick lookup and internal linking to specific value pages.

Log Base 10 Calculator Reference
Number (x)Common Log log10(x)
0.1 Number-1 log10(x)
0.2 Number-0.69897 log10(x)
0.25 Number-0.60206 log10(x)
0.5 Number-0.30103 log10(x)
0.75 Number-0.124939 log10(x)
1 Number0 log10(x)
2 Number0.30103 log10(x)
3 Number0.477121 log10(x)
4 Number0.60206 log10(x)
5 Number0.69897 log10(x)
6 Number0.778151 log10(x)
7 Number0.845098 log10(x)
8 Number0.90309 log10(x)
9 Number0.954243 log10(x)
10 Number1 log10(x)
20 Number1.30103 log10(x)
30 Number1.477121 log10(x)
50 Number1.69897 log10(x)
75 Number1.875061 log10(x)
100 Number2 log10(x)

Frequently Asked Questions

Common questions about Log Base 10 Calculator, formulas, and typical use cases.

What does the Log Base 10 Calculator calculator do?

It calculates solving orders-of-magnitude problems and base-10 logarithmic calculations from the values you enter.

What formula does the Log Base 10 Calculator calculator use?

Common log is the logarithm base 10: log10(x).

What inputs are valid?

For real-number results, enter x > 0.

When would I use this?

solving orders-of-magnitude problems and base-10 logarithmic calculations

Methodology and Review

This page combines a live calculator, precomputed reference values, and FAQ content from the same conversion definition to reduce mismatch between calculator output and lookup tables.

Editorial metadata (author, reviewer, and update date) is rendered on the page and in structured data. See our editorial policy, review process, and corrections policy.

For compliance-sensitive work, verify final values against project requirements, governing standards, and manufacturer documentation.