Excel SQRT function
Returns the square root of a number. In Spanish Excel it is called RAIZ.
Syntax
English Excel
=SQRT(number)
Spanish Excel (Mexico)
=RAIZ(número)
Spanish Excel (Spain, Latin America)
=RAIZ(número)
| Argument | What it is |
|---|---|
| number | The number, zero or greater. |
Example
POWER(base, exponent) is the same as base^exponent, and SQRT takes the square root. Use them for compound growth or Pythagoras.
=SQRT(E1^2+E2^2)
Common mistake
Negative numbers return #NUM!.
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Practice SQRT
Type the formula in the sheet and check it instantly. Spanish or English function names both work. See all lessons
POWER and SQRT
POWER(base, exponent) is the same as base^exponent, and SQRT takes the square root. Use them for compound growth or Pythagoras.
In B4, calculate the population after the years in B3, growing at the rate in B2 each year.
| A | B | C | D | E | F | |
|---|---|---|---|---|---|---|
| 1 | Starting population | 25,000 | Width (cm) | 88 | ||
| 2 | Annual growth | 3% | Height (cm) | 50 | ||
| 3 | Years | 10 | Diagonal (cm) | |||
| 4 | Final population | |||||
| 5 |
Tip: while typing, click a cell or drag across several to insert their reference.
Frequently asked questions
- What is SQRT called in Spanish?
- In Spanish Excel it is RAIZ. The formula =SQRT(E1^2+E2^2) is written =RAIZ(E1^2+E2^2) (or with commas in Mexico).
- Why does SQRT use semicolons in some Excel versions?
- It depends on regional settings. Where the comma is the decimal mark (Spain, much of South America), Excel separates arguments with semicolons. English Excel and Mexican Spanish Excel use commas.
- What is the most common SQRT mistake?
- Negative numbers return #NUM!.