Percent Yield Calculator
Compare actual product obtained against the theoretical maximum.
About Percent Yield Calculator
Multi-step yields multiply rather than average, so eight steps at 80 per cent each give only 17 per cent overall. That compounding is why synthetic routes are judged on step count as much as on individual yields. Reaching 50 per cent overall across ten steps requires 93 per cent per step, which is why long linear syntheses are avoided wherever a convergent route exists.
Formula
Percent Yield
Percent yield = actual ÷ theoretical × 100; overall yield = (per-step yield)^steps
- overall yield
- Multi-step yields multiply, so they fall rapidly with step count
Worked example
With the default values below, Percent Yield Calculator returns Percent Yield of 81.482%. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Actual yieldminimum 0 g
- 22 g
- Theoretical yieldminimum 0 g
- 27 g
- Number of synthetic stepsaccepts 1–20
- 1
Results
- Percent Yield
- 81.482%
- Product Lost
- 5.0000 g
- Overall Yield Across All Steps
- 81.4815%
- Per-Step Yield Needed for 50% Overall
- 50.00%
- Rating
- Good
Step by step
- 1Values used
- 2Percent Yield
- 3Percent Yield= 81.482
- 4Product Lost= 5.0000 g
- 5Overall Yield Across All Steps= 81.4815
- 6Per-Step Yield Needed for 50% Overall= 50.00
- 7Rating= Good
Assumptions and limits
- The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 4 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How is Percent Yield calculated?
Percent yield = actual ÷ theoretical × 100; overall yield = (per-step yield)^steps Multi-step yields multiply rather than average, so eight steps at 80 per cent each give only 17 per cent overall. That compounding is why synthetic routes are judged on step count as much as on individual yields.
Why does Percent Yield matter?
Reaching 50 per cent overall across ten steps requires 93 per cent per step, which is why long linear syntheses are avoided wherever a convergent route exists.
What values do I need to enter?
This calculator takes 3 inputs: Actual yield, Theoretical yield, Number of synthetic steps. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.