# Batch Metrics
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Metrics are data about your SageMaker Ground Truth Plus project for a specific date or over a date range.

You can review metrics for all batches or choose a batch of your choice as shown in the following image.

![Example histograms of metrics for your batches in the console.](http://docs.aws.amazon.com/sagemaker/latest/dg/images/gtb-review-metrics.png)


You can review the following metrics about the batch:

**Total objects**: Total number of objects in a batch or across all batches.

**Objects completed by day**: Total numbers of objects labeled on a specific date or over a date range.

**Labels completed by day**: Total numbers of labels completed on a specific date or over a date range. An object can have more than one label.