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Organic waste management (OWM) currently follows the linear economy principle in most of the Gulf countries. Most CE studies to date revolve around the reduction, recycling, and reuse of the material in a production and consumption chain. In this study, the whole process chain's economic and environmental monetary values were investigated to convert organic food waste (OFW) into compost, following the CE indicators. The monetary savings from macronutrients (carbon and NPK) enrichment by applying compost to the soil and its replacement value of the mineral fertilizer have never been reported in the CE model. The OFW production of Makkah city is estimated to increase up to 1.60 Mt in 2030 because of domestic population growth and an increasing number of pilgrims traveling to perform religious rituals. This massive quantity of OFW can produce 0.23–0.40 Mt of compost in 2015–2030 and reduce 0 …