Funktionsweise im Detail.
WENNFEHLER ist eine zentrale Formel in Excel. Gibt einen benutzerdefinierten Wert zurück, wenn eine Formel einen Fehler ergibt; andernfalls das Formelergebnis. Sie optimiert Ihre Tabellenkalkulationen, automatisiert Routineabfragen und sorgt für fehlerfreie Auswertungen in modernen Tabellen.
💡 Einfach erklärt.
Runs a formula, but if the formula fails (like a division by zero error), it gives a clean default value instead of Excel's ugly errors.
"Think of this like a protective shield. If your math equation tries to divide by zero and would explode with a weird error, the shield turns it into a friendly 0."
Syntax.
Standardmäßige Excel-Schreibweise=WENNFEHLER(Wert; Wert_wenn_Fehler)Argumente.
Alle von dieser Funktion akzeptierten Parameter im Überblick.
The formula, expression, or cell reference to check for an error.
Beispiel:B2/C2The value to return if the formula evaluates to an error.
Beispiel:0Praxisbeispiel.
Schritt-für-Schritt-SzenarioCalculate Division Average
Calculate average sale value (Sales / Orders). Handle cases where orders are 0 to prevent #DIV/0! errors.
| Category | Total Revenue | Total Orders | Average Order Value | Error Shield |
|---|---|---|---|---|
| Electronics | 45000 | 150 | — | On |
| Apparel | 12000 | 40 | — | — |
| Home Decor | 0 | 0 | — | — |
=IFERROR(B2/C2, 0)Evaluates IFERROR over the sample table cells, placing the verified output in cell D2:D6.
Formel-Generator.
Vollständigen Assistenten öffnenPassen Sie die Eingabefelder an, um eine fertige Formel für Ihre Tabelle zu kopieren.
=WENNFEHLER()Ergebniseigenschaften.
Returns "Calculated output" based on sample evaluation criteria and active cell references.
Empfohlene Vorgehensweise
- Use an empty string "" as the value_if_error to make error rows look completely clean and blank.
- Wrap lookups (like VLOOKUP) in IFERROR to handle items that are not in your reference tables.
Typische Fehlerquellen
- IFERROR catches *all* errors, including spelling mistakes in your formula names. Be careful as it can hide bugs you actually want to fix.
Kompatibilität nach Versionen.
Geprüft auf Basis der offiziellen Tabellenkalkulations-Engines von Microsoft und Google.
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.
Häufig gestellte Fragen.
Technische Q&ACan I use IFERROR 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: =IFERROR(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 IFERROR?↓
IFERROR catches *all* errors, including spelling mistakes in your formula names. Be careful as it can hide bugs you actually want to fix.
Does IFERROR work identically in Google Sheets?↓
Yes, IFERROR is supported in both Microsoft Excel and Google Sheets with standard evaluation behavior.