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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.

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

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.

Rolled Throughput Yield 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