MPS, MRP, shift planning, and changeover time calculators. Browse our free scheduling tools below — all calculators are instant, accurate, and require no sign-up.
Batch Size Optimization Calculator — Calculate optimal manufacturing batch size using the EOQ formula. Balance setup costs against inventory holding costs for efficiency.
Drum-Buffer-Rope Calculator — Calculate DBR parameters: drum rate from the constraint, buffer time before the constraint, and rope release rate. Apply TOC scheduling.
Changeover Time Calculator — Calculate total changeover time including teardown, cleanup, setup, and first-article inspection. Minimize lost production between runs.
MRP Calculator — Calculate net material requirements using the MRP formula: gross requirements minus on-hand and receipts plus safety stock, offset by lead time.
Master Production Schedule Calculator — Calculate MPS planned production by combining forecast, customer orders, inventory, and scheduled receipts. Drive material and capacity plans.
Overtime Cost Calculator — Calculate overtime production costs with configurable multipliers. Compare standard vs. overtime cost per unit for manufacturing labor budget planning.
Production Run Length Calculator — Calculate production run length from batch quantity, cycle time, and setup time. Plan scheduling windows and resource allocation.
Second Shift Cost Calculator — Estimate the total cost of running a second shift including base labor, shift premium, overhead, and supervision for manufacturing planning.
Production Schedule Calculator — Calculate production schedule by assigning jobs to available time slots based on run length and capacity. Plan daily and weekly output.
Shift Planning Calculator — Compare production output across 1, 2, and 3 shift patterns. Calculate output per shift factoring in hours, efficiency, and production rate.
Third Shift Cost Calculator — Calculate the full cost of running a third (night) shift including base labor, night premium, overhead, and reduced efficiency for capacity decisions.
Weekend Production Cost Calculator — Calculate the true cost of weekend manufacturing runs including premium pay, overtime multipliers, utilities, and reduced staffing efficiency.