a b s t r a c tInventory management is an activity undertaken by a company that is needed in making decisions so that the need for materials or goods for the purposes of the company's activities both production and sales can be met optimally with the least risk possible. Over-inventory is wasteful because it causes too high loads for storage and maintenance during storage at the warehouse. This research tries to build an inventory application by applying EOQ (Economic Order Quantity) method as the base of development. This research method is divided into three stages, namely data collection pre-development, development and implementation, and data collection post-development. The result of this research is inventory application with EOQ Probabilistic method with emphasizing result with graph form to facilitate company owner in making decision. Inventory management system built using HTML, CSS, Jquery, Java Script, JSON, AJAX, Boostrap as a media in interface design. While PHP as the server side and MySQL as the database.Keywords:Application, Inventory Management, Economic Order Quantity (EOQ) a b s t r a kManajemen persediaan barang merupakan kegiatan yang dilakukan oleh suatu perusahaan yang diperlukan dalam membuat keputusan sehingga kebutuhan akan bahan ataupun barang untuk keperluan kegiatan perusahaan baik produksi maupun penjualan dapat terpenuhi secara optimal dengan resiko yang sekecil mungkin. Persediaan yang terlalu besar (over stock) merupakan pemborosan karena menyebabkan terlalu tingginya beban-beban biaya guna penyimpanan dan pemeliharaan selama penyimpanan di gudang. Penelitian ini mencoba membangun sebuah aplikasi persediaan dengan menerapkan metode EOQ (Economic Order Quantity) sebagai dasar pengembangan. Metode penelitian ini dibagi dalam tiga tahapan, yaitu pengumpulan data pra pengembangan, pengembangan serta implementasi, dan pengumpulan data pasca pengembangan. Hasil dari penelitian ini merupakan aplikasi persediaan dengan metode EOQ Probabilistik yang dengan menitikberatkan hasil dengan bentuk grafik untuk mempermudah pemilik perusahaan dalam mengambil keputusan. Sistem manajemen persediaan yang dibangun dengan mengunakan bahasa pemrograman HTML, CSS, Jquery, Java Script, JSON, AJAX, Boostrap sebagai media dalam perancangan antar muka. Sedangkan PHP sebagai server side dan MySQL sebagai database.Kata Kunci:Aplikasi, Manajemen Persediaan Barang, Berbasis Economic Order Quantity (EOQ)

The purpose of this service activity is to provide Training, Coaching, and Assistance for Stock Control Management Applications and it is hoped that the participants can; 1) Understand the strategy for the supply of goods, 2) Understand and be able to control spare parts, 3) Be able to provide the goods needed in the remodeling process, 4) Be able to manage spare parts efficiently and be able to apply methods Determine the level of reordering and minimum inventory for inventory optimization, and 5) Evaluating the material planning system that has been running so that we can find out the core of the problems faced and how to solve them. The method of implementing the program to be carried out is; 1) Presentation, 2) Experience Sharing Discussion, 3) Training (Training for Users), and 4) Further assistance in the use of the application. This Community Service Implementation Activity was held for 4 (four) months from early December 2019 to the end of March 2020. This activity was attended by all personnel of Gober Indo's local business partners. Based on the results of the activities that have been carried out, several conclusions can be drawn, namely; 1) The development of a web-based Stock Control Management application has been successfully built, 2) Assistance and training activities for the use of the appropriate Stock Control Management Application and can help partners, 3) Service activities that are followed very enthusiastically, It can be seen that many members and owners have attended the training, and 4) Supporting activities for the Stock Control Management Application are expected to continue with the development of partner business finances.