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Compost and Mulch

Kitchen Scrap Diversion Calculator

Estimate annual kitchen scraps diverted to composting. The form keeps the source measurements beside the calculated annual scraps diverted.

Enter values for annual scraps diverted

Weekly composted scraps and the other Kitchen Scrap Diversion fields share one scenario.

lb/week

Enter a measured value for weekly composted scraps.

weeks

Enter the observed value for weeks tracked.

Measurements for Kitchen Scrap Diversion

For annual scraps diverted, collect Weekly composted scraps and Weeks tracked on the Kitchen Scrap Diversion basis. The related Compost Dry Matter Calculator finds dry matter.

Weekly composted scraps
Default in Kitchen Scrap Diversion: 12 lb/week.
Weeks tracked
Default in Kitchen Scrap Diversion: 52 weeks.

Arithmetic used for Kitchen Scrap Diversion

annual scraps diverted = weekly composted scraps × weeks tracked

Kitchen Scrap Diversion multiplies factors from Weekly composted scraps and Weeks tracked to produce annual scraps diverted. Finished pile volume also belongs in Compost Pile Shrinkage Calculator.

Weekly composted scraps at 12 lb/week, weeks tracked at 52 weeks produces 624.00 lb in the demonstration case. Moisture content? See Compost Moisture Content Calculator.

Using the Kitchen Scrap Diversion result

Read annual scraps diverted as the headline result. Unit changes belong in a separate kitchen scrap diversion case.

Annual scraps diverted: condition to verify

Exclude liquids and noncompostable contamination from the weighed total.

How input changes affect annual scraps diverted

If Weeks tracked changes during the season, calculate a new scenario instead of adjusting annual scraps diverted mentally.

After calculating annual scraps diverted

Store the Kitchen Scrap Diversion date, Weekly composted scraps and Weeks tracked, and Annual scraps diverted. Carbon-to-nitrogen ratio is available from Compost Carbon Nitrogen Ratio Calculator.

Separate measured weekly composted scraps from an assumed value so a later user can reconstruct the case.

Add the garden outcome as a new entry, using the same units and definition as annual scraps diverted.

What changes when weekly composted scraps changes

Raise Weekly composted scraps from 12 lb/week to 13.2 lb/week; keep weeks tracked fixed. Annual scraps diverted moves from 624.00 lb to 686.40 lb.

Kitchen Scrap Diversion isolates weekly composted scraps in this test; biological response remains outside the arithmetic.

If weekly composted scraps has a plausible range, save low and high cases instead of averaging the endpoints.

Before relying on annual scraps diverted

How does “Exclude liquids and noncompostable contamination from the weighed total.” affect annual scraps diverted?

Treat it as a boundary on the input data. A separate Kitchen Scrap Diversion case may be needed when weekly composted scraps changes.

Does Kitchen Scrap Diversion account for moisture and settling?

Only when moisture or settling appears among its inputs. Interpret annual scraps diverted alongside feedstock condition, particle size, compaction, and decomposition.