---
title: "Span metrics | Grafana Tempo documentation"
description: "Learn about span metrics in Grafana Tempo."
---

# Span metrics

Span metrics are generated from traces and can be used to create service graphs. You can create span metrics by enabling the feature in metrics-generator or using Grafana Alloy.

- [Use the span metrics processor](/docs/tempo/latest/metrics-from-traces/span-metrics/span-metrics-metrics-generator/)  
  The span metrics processor generates metrics from ingested tracing data, including request, error, and duration (RED) metrics.
- [Use Alloy to generate span metrics from spans](/docs/tempo/latest/metrics-from-traces/span-metrics/span-metrics-alloy/)  
  Span metrics allow you to generate metrics from your tracing data automatically.