Convertools

Square Root Calculator

Calculate the principal square root of a number using √x.

Author

Prof. Oleksandr Kovalenko

Math editorial contributor

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

Reviewed by

Prof. Kenji Tanaka

Math content reviewer

Japanese materials scientist at Kyoto University, known for breakthroughs in sustainable polymer research

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

121 Number =

11 Square Root

Representative value from the Square Root Calculator reference table.

Reference Values

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

Browse all reference values

Square Root Calculator

Calculate the principal square root of a number using √x.

Calculated Result

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Reference Table

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

Square Root Calculator Reference
NumberSquare Root
1 Number1 Square Root
4 Number2 Square Root
9 Number3 Square Root
16 Number4 Square Root
25 Number5 Square Root
36 Number6 Square Root
49 Number7 Square Root
64 Number8 Square Root
81 Number9 Square Root
100 Number10 Square Root
121 Number11 Square Root
144 Number12 Square Root
169 Number13 Square Root
196 Number14 Square Root
225 Number15 Square Root
256 Number16 Square Root
289 Number17 Square Root
324 Number18 Square Root
361 Number19 Square Root
400 Number20 Square Root

Frequently Asked Questions

Common questions about Square Root Calculator, formulas, and typical use cases.

What does the Square Root Calculator calculator do?

It calculates solving geometry, algebra, and statistics formulas that require root extraction from the values you enter.

What formula does the Square Root Calculator calculator use?

Square root returns the principal non-negative value whose square equals x.

What inputs are valid?

For real-number results, enter x ≥ 0.

When would I use this?

solving geometry, algebra, and statistics formulas that require root extraction

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.