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Rolled Throughput Yield Calculator

Rolled throughput yield (RTY) across a multi-step process — the probability a unit passes every step defect-free.

Enter values

Separate values with commas, spaces or new lines.

Results update as you type.

Result

Rolled throughput yield

0.894%

Total loss
99.106%
Units to start for 1,000 good
111,852

About the Rolled Throughput Yield Calculator

Rolled throughput yield (RTY) across a multi-step process — the probability a unit passes every step defect-free.

Also known as: rty calculator, process yield multi step, first time yield.

How to use this calculator

  1. Enter yield of each step (%).
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

RTY = Y₁ × Y₂ × … × Yₙ

Worked example

Using the values pre-filled in the calculator above:

  • Yield of each step (%): 98, 95, 99, 97

the calculator returns:

  • Rolled throughput yield: 0.894%
  • Total loss: 99.106%
  • Units to start for 1,000 good: 111,852