diff --git a/public/typo3conf/ext/ep_products/Classes/Controller/AjaxGroupsPriceController.php b/public/typo3conf/ext/ep_products/Classes/Controller/AjaxGroupsPriceController.php
new file mode 100644
index 00000000..4f8c54ea
--- /dev/null
+++ b/public/typo3conf/ext/ep_products/Classes/Controller/AjaxGroupsPriceController.php
@@ -0,0 +1,91 @@
+<?php
+
+namespace EP\EpProducts\Controller;
+
+/***************************************************************
+ *
+ *  Copyright notice
+ *
+ *  (c) 2020 Björn Fromme <fromme@dreipunktnull.com>, dreipunktnull
+ *
+ *  All rights reserved
+ *
+ *  This script is part of the TYPO3 project. The TYPO3 project is
+ *  free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  The GNU General Public License can be found at
+ *  http://www.gnu.org/copyleft/gpl.html.
+ *
+ *  This script is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  This copyright notice MUST APPEAR in all copies of the script!
+ ***************************************************************/
+
+use EP\EpProducts\Domain\Model\Hotel;
+use EP\EpProducts\Service\GroupsPriceService;
+use League\Period\Period;
+use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
+
+class AjaxGroupsPriceController extends ActionController
+{
+    /**
+     * @var GroupsPriceService
+     */
+    protected $groupsPriceService;
+
+    public function __construct(GroupsPriceService $groupsPriceService)
+    {
+        parent::__construct();
+
+        $this->groupsPriceService = $groupsPriceService;
+    }
+
+    /**
+     * @param Hotel $hotel
+     * @return string
+     */
+    public function configsAction(Hotel $hotel)
+    {
+        return json_encode([
+            'configs' => $hotel->getGroupsPriceConfigs()->toArray(),
+            'boards' => $hotel->getGroupsPriceBoards()->toArray(),
+            'options' => $hotel->getGroupsPriceOptions()->toArray(),
+        ], JSON_THROW_ON_ERROR, 512);
+    }
+
+    public function initializePriceAction()
+    {
+        if ($this->request->hasArgument('dateFrom')) {
+            $dateFrom = new \DateTime($this->request->getArgument('dateFrom'));
+            $this->request->setArgument('dateFrom', $dateFrom);
+        }
+        if ($this->request->hasArgument('dateTo')) {
+            $dateTo = new \DateTime($this->request->getArgument('dateTo'));
+            $this->request->setArgument('dateTo', $dateTo);
+        }
+    }
+
+    /**
+     * @param Hotel $hotel
+     * @param \DateTime $dateFrom
+     * @param \DateTime $dateTo
+     * @param int $pax
+     * @return string
+     * @throws \League\Period\Exception
+     */
+    public function priceAction(Hotel $hotel, \DateTime $dateFrom, \DateTime $dateTo, $pax)
+    {
+        $period = new Period($dateFrom, $dateTo);
+        $price = $this->groupsPriceService->calculateHotelPrice($hotel, $period, $pax);
+
+        return json_encode([
+            'price' => $price,
+        ], JSON_THROW_ON_ERROR, 512);
+    }
+}
diff --git a/public/typo3conf/ext/ep_products/Classes/Service/GroupsPriceService.php b/public/typo3conf/ext/ep_products/Classes/Service/GroupsPriceService.php
new file mode 100644
index 00000000..f44deadf
--- /dev/null
+++ b/public/typo3conf/ext/ep_products/Classes/Service/GroupsPriceService.php
@@ -0,0 +1,80 @@
+<?php
+
+namespace EP\EpProducts\Service;
+
+use EP\EpProducts\Domain\Model\Hotel;
+use League\Period\Period;
+use TYPO3\CMS\Core\Database\ConnectionPool;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+class GroupsPriceService
+{
+    public function calculateHotelPrice(Hotel $hotel, Period $period, $pax)
+    {
+        // Get all price configs for provided hotel
+        $configs = $this->getConfigs($hotel);
+
+        // Create periods in configs to simplify following steps
+        $this->patchConfigPeriods($configs);
+
+        $price = 0;
+
+        // Iterate over all days in provided period
+        foreach ($period->getDatePeriod('1 DAY') as $day) {
+
+            // Iterate over all configs
+            foreach ($configs as $config) {
+
+                // Skip config if current day is not contained
+                if (false === $config['period']->contains($day)) {
+                    continue;
+                }
+
+                // Calculate base price
+                $price += $config['price'];
+
+                // Add costs for not-included number of persons
+                if ($pax > $config['persons_included']) {
+                    $price += $config['price_additional_person'] * ($pax - $config['persons_included']);
+                }
+            }
+        }
+
+        return $price;
+    }
+
+    protected function patchConfigPeriods(array &$configs)
+    {
+        foreach ($configs as $idx => $config) {
+            $configDateFrom = (new \DateTimeImmutable())->setTimestamp($config['date_from']);
+            $configDateTo = (new \DateTimeImmutable())->setTimestamp($config['date_to']);
+            $configs[$idx]['period'] = new Period($configDateFrom, $configDateTo);
+        }
+    }
+
+    /**
+     * @param Hotel $hotel
+     * @return array
+     */
+    protected function getConfigs(Hotel $hotel)
+    {
+        $qb = $this->getQueryBuilder();
+
+        return $qb
+            ->select('*')
+            ->from('tx_epproducts_domain_model_groupspriceconfig')
+            ->where($qb->expr()->eq('hotel', $qb->createNamedParameter($hotel->getUid())))
+            ->orderBy('date_from')
+            ->execute()
+            ->fetchAll()
+        ;
+    }
+
+    protected function getQueryBuilder()
+    {
+        /** @var ConnectionPool $connectionPool */
+        $connectionPool = GeneralUtility::makeInstance(ConnectionPool::class);
+
+        return $connectionPool->getQueryBuilderForTable('tx_epproducts_domain_model_groupspriceconfig');
+    }
+}
\ No newline at end of file
diff --git a/public/typo3conf/ext/ep_products/Configuration/TypoScript/setup.typoscript b/public/typo3conf/ext/ep_products/Configuration/TypoScript/setup.typoscript
index 7f1e426c..5be9ade7 100644
--- a/public/typo3conf/ext/ep_products/Configuration/TypoScript/setup.typoscript
+++ b/public/typo3conf/ext/ep_products/Configuration/TypoScript/setup.typoscript
@@ -133,6 +133,10 @@ tx_epproducts_ajax_json {
             AjaxWatchlist {
                 1 = list
             }
+            AjaxGroupsPrice {
+                1 = configs
+                2 = price
+            }
         }
         features.requireCHashArgumentForActionArguments = 0
         settings =< plugin.tx_epproducts.settings
diff --git a/public/typo3conf/ext/ep_products/ext_localconf.php b/public/typo3conf/ext/ep_products/ext_localconf.php
index b32051ff..83c46f2d 100644
--- a/public/typo3conf/ext/ep_products/ext_localconf.php
+++ b/public/typo3conf/ext/ep_products/ext_localconf.php
@@ -345,6 +345,7 @@ $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['scheduler']['tasks'][\EP\EpProducts\T
         'AjaxTable' => 'pricetable,pricetableHtml,eventPricetable',
         'AjaxCalendar' => 'range,contingents,availableRooms',
         'AjaxWatchlist' => 'list',
+        'AjaxGroupsPrice' => 'configs,price',
     ],
     [
         'AjaxSearch' => 'searchresult',
@@ -355,6 +356,7 @@ $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['scheduler']['tasks'][\EP\EpProducts\T
         'AjaxTable' => 'pricetable,pricetableHtml,eventPricetable',
         'AjaxCalendar' => 'range,contingents,availableRooms',
         'AjaxWatchlist' => 'list',
+        'AjaxGroupsPrice' => 'configs,price',
     ]
 );
 
@@ -382,6 +384,7 @@ $GLOBALS['TYPO3_CONF_VARS']['FE']['cacheHash']['excludedParameters'][] = 'tx_epp
 $GLOBALS['TYPO3_CONF_VARS']['FE']['cacheHash']['excludedParameters'][] = 'tx_epproducts_ajax[months]';
 $GLOBALS['TYPO3_CONF_VARS']['FE']['cacheHash']['excludedParameters'][] = 'tx_epproducts_ajax[month]';
 $GLOBALS['TYPO3_CONF_VARS']['FE']['cacheHash']['excludedParameters'][] = 'tx_epproducts_ajax[year]';
+$GLOBALS['TYPO3_CONF_VARS']['FE']['cacheHash']['excludedParameters'][] = 'tx_epproducts_ajax[hotel]';
 
 $GLOBALS['TYPO3_CONF_VARS']['LOG']['EP']['EpProducts']['Controller']['writerConfiguration'] = [
     \TYPO3\CMS\Core\Log\LogLevel::INFO => [
diff --git a/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/GroupsPriceCalculator.vue b/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/GroupsPriceCalculator.vue
new file mode 100644
index 00000000..ee647cad
--- /dev/null
+++ b/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/GroupsPriceCalculator.vue
@@ -0,0 +1,27 @@
+<template>
+    <div>
+
+    </div>
+</template>
+
+<script>
+    import axios from 'axios';
+
+    export default {
+        props: {
+            endpoint: {
+                type: String,
+                required: true
+            }
+        },
+        data () {
+            return {
+                processing: false,
+            }
+        },
+        methods: {
+        },
+        mounted () {
+        }
+    }
+</script>
diff --git a/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/ProductDetail.vue b/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/ProductDetail.vue
index cbc22ec8..dbd0234b 100644
--- a/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/ProductDetail.vue
+++ b/public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/ProductDetail.vue
@@ -11,6 +11,7 @@
     import DaterangeSelect from './DaterangeSelect.vue'
     import AjaxContent from './AjaxContent.vue'
     import Calendar from './Calendar.vue'
+    import GroupsPriceCalculator from './GroupsPriceCalculator.vue';
     import FacebookPixel from './FacebookPixel.vue'
     import WatchlistToggle from './WatchlistToggle.vue'
     import OsmMap from './OsmMap.vue'
@@ -28,6 +29,7 @@
             DaterangeSelect,
             AjaxContent,
             Calendar,
+            GroupsPriceCalculator,
             FacebookPixel,
             WatchlistToggle,
             OsmMap,
diff --git a/public/typo3conf/ext/ep_theme/Resources/Private/Templates/Product/Detail.html b/public/typo3conf/ext/ep_theme/Resources/Private/Templates/Product/Detail.html
index 52e4e8ed..c2b101a1 100644
--- a/public/typo3conf/ext/ep_theme/Resources/Private/Templates/Product/Detail.html
+++ b/public/typo3conf/ext/ep_theme/Resources/Private/Templates/Product/Detail.html
@@ -248,6 +248,9 @@
 
     <f:section name="Calendar">
         <f:if condition="{product.calendarHotel}">
+            <groups-price-calculator
+                    endpoint="{ep:uri.ajax(action: 'prices', controller: 'AjaxGroupsPrice', extensionName: 'epproducts', pageUid: settings.defaultAjaxUid, arguments: '{hotel: hotel}')}"
+            ></groups-price-calculator>
             <div class="ep-sidebar ep-facts">
                 <p><strong>Belegungskalender</strong></p>
                 <calendar