Cómo funciona.
ISNUMBER es una función fundamental de Excel. Checks whether a value is numeric and returns TRUE or FALSE. Permite automatizar hojas de cálculo, simplificar fórmulas complejas y analizar datos con total precisión en Microsoft Excel y Google Sheets.
Sintaxis.
Notación Estándar de Excel=ISNUMBER(value)Argumentos.
A continuación se detallan todos los parámetros aceptados por esta función.
The cell or expression to test.
Ejemplo:A2Ejemplo práctico.
Caso de Uso Paso a PasoData Validation - Numeric Price Check
Check if entered price values are numbers or accidental text strings.
| Product | Price Input | Is Number? |
|---|---|---|
| Monitor | 249.99 | — |
| Keyboard | Free | — |
| Mouse | 29.95 | — |
=ISNUMBER(B2)Evaluates ISNUMBER over the sample table cells, placing the verified output in cell C2.
Generador de fórmula.
Abrir Asistente CompletoPersonaliza los campos de argumento a continuación para generar una fórmula lista para copiar y pegar en tu hoja de cálculo.
=ISNUMBER()Comportamiento del resultado.
Returns boolean TRUE based on sample evaluation criteria and active cell references.
Buenas Prácticas
- Nest inside FIND or SEARCH to test if text contains a specific substring: =ISNUMBER(SEARCH("corp", A2)).
- Dates and times always evaluate to TRUE in ISNUMBER.
Errores Frecuentes
- Numbers imported from databases formatted as text strings (e.g. "1200") return FALSE. Use VALUE(A2) to convert them first.
Compatibilidad de plataforma y versiones.
Matriz verificada con base en los motores de cálculo oficiales de Microsoft Excel y Google Sheets.
Core standard function supported across all modern and legacy Microsoft Excel versions (365, 2021, 2019, 2016, 2013, 2010), as well as Excel for the Web and Mac.
100% compatible with Google Sheets. Uses identical argument order, data types, and standard calculation logic.
Preguntas frecuentes.
Dudas TécnicasCan I use ISNUMBER across different worksheets in Excel?↓
Yes. You can reference cells located on other sheets by including the sheet name followed by an exclamation mark, for example: =ISNUMBER(Sheet2!A2:A10). If the sheet name contains spaces, enclose it in single quotes: ='Q1 Report'!A2:A10.
What is the most common reason for errors in ISNUMBER?↓
Numbers imported from databases formatted as text strings (e.g. "1200") return FALSE. Use VALUE(A2) to convert them first.
Does ISNUMBER work identically in Google Sheets?↓
Yes, ISNUMBER is supported in both Microsoft Excel and Google Sheets with standard evaluation behavior.