diff --git a/static/app/views/explore/charts/index.tsx b/static/app/views/explore/charts/index.tsx
index be3aa9fbbf1a7d..cd7ff629874112 100644
--- a/static/app/views/explore/charts/index.tsx
+++ b/static/app/views/explore/charts/index.tsx
@@ -4,20 +4,25 @@ import styled from '@emotion/styled';
 import isEqual from 'lodash/isEqual';
 
 import {CompactSelect} from 'sentry/components/compactSelect';
+import Count from 'sentry/components/count';
 import {Tooltip} from 'sentry/components/tooltip';
 import {CHART_PALETTE} from 'sentry/constants/chartPalette';
 import {IconClock, IconGraph} from 'sentry/icons';
-import {t} from 'sentry/locale';
+import {t, tct} from 'sentry/locale';
 import {space} from 'sentry/styles/space';
-import type {Confidence} from 'sentry/types/organization';
+import type {Confidence, NewQuery} from 'sentry/types/organization';
+import {defined} from 'sentry/utils';
 import {dedupeArray} from 'sentry/utils/dedupeArray';
+import EventView from 'sentry/utils/discover/eventView';
 import {
   aggregateOutputType,
   parseFunction,
   prettifyParsedFunction,
 } from 'sentry/utils/discover/fields';
 import {DiscoverDatasets} from 'sentry/utils/discover/types';
+import {formatPercentage} from 'sentry/utils/number/formatPercentage';
 import {MutableSearch} from 'sentry/utils/tokenizeSearch';
+import usePageFilters from 'sentry/utils/usePageFilters';
 import usePrevious from 'sentry/utils/usePrevious';
 import {formatVersion} from 'sentry/utils/versions/formatVersion';
 import ChartContextMenu from 'sentry/views/explore/components/chartContextMenu';
@@ -30,6 +35,7 @@ import Chart, {
 } from 'sentry/views/insights/common/components/chart';
 import ChartPanel from 'sentry/views/insights/common/components/chartPanel';
 import {useSortedTimeSeries} from 'sentry/views/insights/common/queries/useSortedTimeSeries';
+import {useSpansQuery} from 'sentry/views/insights/common/queries/useSpansQuery';
 import {CHART_HEIGHT} from 'sentry/views/insights/database/settings';
 
 import {useGroupBys} from '../hooks/useGroupBys';
@@ -69,6 +75,11 @@ export function ExploreCharts({query, setConfidence, setError}: ExploreChartsPro
   const [resultMode] = useResultMode();
   const topEvents = useTopEvents();
 
+  const extrapolationMetaResults = useExtrapolationMeta({
+    dataset,
+    query,
+  });
+
   const fields: string[] = useMemo(() => {
     if (resultMode === 'samples') {
       return [];
@@ -334,6 +345,28 @@ export function ExploreCharts({query, setConfidence, setError}: ExploreChartsPro
                 }
                 showLegend
               />
+              {dataset === DiscoverDatasets.SPANS_EAP_RPC && (
+                <ChartFooter>
+                  {defined(extrapolationMetaResults.data?.[0]?.['count_sample()']) &&
+                  defined(
+                    extrapolationMetaResults.data?.[0]?.['avg_sample(sampling_rate)']
+                  )
+                    ? tct(
+                        '*[sampleCount] samples extrapolated with an average sampling rate of [sampleRate]',
+                        {
+                          sampleCount: (
+                            <Count
+                              value={extrapolationMetaResults.data[0]['count_sample()']}
+                            />
+                          ),
+                          sampleRate: formatPercentage(
+                            extrapolationMetaResults.data[0]['avg_sample(sampling_rate)']
+                          ),
+                        }
+                      )
+                    : t('foo')}
+                </ChartFooter>
+              )}
             </ChartPanel>
           </ChartContainer>
         );
@@ -342,6 +375,43 @@ export function ExploreCharts({query, setConfidence, setError}: ExploreChartsPro
   );
 }
 
+function useExtrapolationMeta({
+  dataset,
+  query,
+}: {
+  dataset: DiscoverDatasets;
+  query: string;
+}) {
+  const {selection} = usePageFilters();
+
+  const extrapolationMetaEventView = useMemo(() => {
+    const search = new MutableSearch(query);
+
+    // Filtering out all spans with op like 'ui.interaction*' which aren't
+    // embedded under transactions. The trace view does not support rendering
+    // such spans yet.
+    search.addFilterValues('!transaction.span_id', ['00']);
+
+    const discoverQuery: NewQuery = {
+      id: undefined,
+      name: 'Explore - Extrapolation Meta',
+      fields: ['count_sample()', 'avg_sample(sampling_rate)', 'min(sampling_rate)'],
+      query: search.formatString(),
+      version: 2,
+      dataset,
+    };
+
+    return EventView.fromNewQueryWithPageFilters(discoverQuery, selection);
+  }, [dataset, query, selection]);
+
+  return useSpansQuery({
+    eventView: extrapolationMetaEventView,
+    initialData: [],
+    referrer: 'api.explore.spans-extrapolation-meta',
+    enabled: dataset === DiscoverDatasets.SPANS_EAP_RPC,
+  });
+}
+
 const ChartContainer = styled('div')`
   display: grid;
   gap: 0;
@@ -371,3 +441,11 @@ const ChartLabel = styled('div')`
   align-content: center;
   margin-right: ${space(1)};
 `;
+
+const ChartFooter = styled('div')`
+  color: ${p => p.theme.gray300};
+  font-size: ${p => p.theme.fontSizeSmall};
+  display: inline-block;
+  margin-top: ${space(1.5)};
+  margin-bottom: 0;
+`;