Math

Calculate Square Roots

Built by Kevin Glover · @gloverbuilds · Verified formula

Find the square root of any number. Shows perfect squares, simplified radicals, and decimal results.

📅 Updated April 2026 ✅ Formula verified 📖 4 min read 🆓 Free · No sign-up

In this article

What Is a Square Root?
Simplifying Radicals

Häufige Wurzeln

√1=1, √4=2, √9=3, √16=4, √25=5, √36=6, √49=7, √64=8, √81=9, √100=10. Irrationale Wurzeln: √2≈1,414, √3≈1,732, √5≈2,236. Vereinfachung: √72 = √(36×2) = 6√2.

Anwendungen

Raumdiagonale: √(L²+B²). Zimmer 4×3: √(16+9) = √25 = 5 m (Pythagoras). Grundstücksfläche: Seite = √Fläche. 300 m² quadratisch: Seite = √300 ≈ 17,3 m.

⚡ CalcWolf Insight

Square root calculator gets 40K monthly searches — largely students doing homework. Having this as a standalone page (not buried in a scientific calculator) captures the exact-match search intent.

Frequently asked questions

Wie schätze ich ohne Taschenrechner?▾

Zwischen perfekte Quadrate einordnen. √50: zwischen √49 (7) und √64 (8), näher an 7. Antwort: ~7,07.

Was ist ein perfektes Quadrat?▾

Zahl mit ganzzahliger Wurzel: 1, 4, 9, 16, 25, 36...

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Kevin Glover · @gloverbuilds

Founder, CalcWolf · GLVTS · Blickr

All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →