How do you calculate supplier launch readiness capacity?

Multiply output per cycle by available cycles to get gross capacity, then multiply by uptime and first-pass yield. Here 4 units/cycle x 480 cycles = 1,920 gross, derated by 90% uptime and 97% yield to about 1,676 good units.

What is a good first-pass yield for a launch supplier?

Mature processes target 98-99%+, but a launching supplier at 95-97% is acceptable if there is a clear improvement plan. The example uses 97%, which costs about 52 units of yield loss.

Why separate uptime loss from yield loss?

They have different fixes. Uptime loss (192 units here) is solved with maintenance and changeover discipline; yield loss (about 52 units) is solved with process and inspection improvements. Lumping them hides the real action.

What uptime should I expect from a supplier at launch?

A new line often runs 80-90% uptime as it stabilizes; the example assumes 90%. Production-mature lines push 92-96%. Plan conservatively for the ramp.

Supplier launch readiness vs nameplate capacity?

Nameplate is the gross theoretical number a supplier quotes. Launch readiness is the good capacity after uptime and yield losses, which is what you can actually schedule against.

How do I close a launch readiness gap?

If good capacity falls short, attack the larger loss first. Here downtime costs more units than yield, so prioritizing changeover and reliability returns the most deliverable units fastest.

NPI, DFM/DFA & Engineering Change calculator

Supplier Launch Readiness Calculator

Supplier Launch Readiness estimates how many good, sellable units a supplier can actually deliver during a launch ramp, after their line losses and yield fallout are taken out of the gross number. Supplier quality engineers and NPI sourcing leads use it to validate that a supplier's quoted capacity survives contact with reality before committing launch volume. The calculation chains gross capacity down through uptime and first-pass yield, so you see exactly where units are lost. That distinction matters because a supplier can have plenty of nameplate capacity yet still miss your ramp if their early-launch yield is weak.

What this calculator does

Estimate supplier launch readiness for npi, dfm/dfa and engineering change using production-ready inputs so teams can confirm whether capacity can cover demand before committing the schedule.
Use it when supplier launch readiness in npi, dfm/dfa and engineering change is being asked to take on more work and you need to know if there is room.
It multiplies output per cycle by available cycles for gross capacity, then derates that by uptime and first-pass yield to give good capacity.

Formula used

Gross supplier launch readiness capacity = supplier launch readiness output per cycle × available supplier launch readiness cycles
Good supplier launch readiness capacity = gross capacity × expected supplier launch readiness uptime × expected supplier launch readiness first-pass yield

Inputs explained

Supplier good units produced per launch cycle:
Launch cycles the supplier can run:
Expected supplier line uptime at launch:
Expected supplier first-pass yield at launch:

How to use the result

Use it during supplier qualification and run-at-rate events, when you have cycle output and need to confirm deliverable launch volume.
It assumes uptime and yield are independent and stable; a supplier whose yield collapses under volume, or whose uptime drops as tooling wears, will deliver less than the model predicts.

Common questions

How do you calculate supplier launch readiness capacity? Multiply output per cycle by available cycles to get gross capacity, then multiply by uptime and first-pass yield. Here 4 units/cycle x 480 cycles = 1,920 gross, derated by 90% uptime and 97% yield to about 1,676 good units.
What is a good first-pass yield for a launch supplier? Mature processes target 98-99%+, but a launching supplier at 95-97% is acceptable if there is a clear improvement plan. The example uses 97%, which costs about 52 units of yield loss.
Why separate uptime loss from yield loss? They have different fixes. Uptime loss (192 units here) is solved with maintenance and changeover discipline; yield loss (about 52 units) is solved with process and inspection improvements. Lumping them hides the real action.
What uptime should I expect from a supplier at launch? A new line often runs 80-90% uptime as it stabilizes; the example assumes 90%. Production-mature lines push 92-96%. Plan conservatively for the ramp.
Supplier launch readiness vs nameplate capacity? Nameplate is the gross theoretical number a supplier quotes. Launch readiness is the good capacity after uptime and yield losses, which is what you can actually schedule against.

Last reviewed 2026-05-12.