On Time Shipping Rate Calculator – Supply Chain Instructions: Use this calculator to find the On-Time Shipping Rate (OTSR) by entering values of the Number of on-time items and Total items. Please input the desired values in the form below: You Might Also Like Days of Supply Calculator – Supply Chain July 31, 2021 Perfect Order Measurement Calculator – Supply Chain July 31, 2021 Reorder Point ROP Calculator – Supply Chain July 31, 2021