Square root of 43

√43 ≈ 6.5574

√43 is an irrational number, so its decimals never end or repeat. It sits between 6 and 7 because 6² = 36 and 7² = 49.

√43 rounded

Simplest radical form

43 has no perfect-square factor other than 1, so √43 is already in simplest radical form.

Check the answer

6.5574 × 6.5574 ≈ 42.9995, which is very close to 43.

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Square roots near 43

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