Does the required time show a product passes?

No. The page converts an item count and a bench rate into hours. Compliance depends on the test methods, the lab and the acceptance criteria, none of which this arithmetic sees.

Why is the effective testing rate lower than throughput?

Because setup, handling and delays consume part of every hour. The effective rate spreads the same items over required hours, so it always sits at or below the entered throughput.

What does a negative testing window margin mean?

That required hours exceed the hours the window offers. Add bench time, trim the allowance, or split the list across days, and the margin returns to zero or above.

Should retests be added to the item list?

Yes, if you can estimate them. Retests consume the same bench hours, so a list that excludes expected retests understates the window a review truly needs.

Toys, Sporting Goods & Recreational Products calculator

Material Compliance Workload Calculator

Size the bench hours a material test list needs before the testing window opens. The allowance inflates base hours, the effective rate shows what the bench delivers, and the margin shows whether the window holds.

What this calculator does

Testing hours an item list needs, the effective testing rate the allowance leaves, and the margin against the testing window.

Formula used

Required testing hours = items requiring testing ÷ compliance testing throughput × (1 + handling allowance ÷ 100)
Base testing hours = items requiring testing ÷ compliance testing throughput
Allowance hours = base testing hours × handling allowance ÷ 100
Effective testing rate = items requiring testing ÷ required testing hours
Testing window margin = available testing hours − required testing hours

Inputs explained

Items Requiring Testing: Items on the material test list for this review.
Compliance Testing Throughput: Items the bench evaluates per hour, from the run study.
Setup and Handling Allowance: Added time for sample setup, handling and delays.
Available Testing Hours: Hours the testing window offers this review.

How to use the result

Best suited to scheduling a bench for a test list, checking a list against the window, sizing QA effort before a release.
This sizes testing effort; it does not determine compliance with any standard. Items with different test methods need a separate run for each method. Sampling plans and retests add work this single rate does not include.

Common questions

Does the required time show a product passes? No. The page converts an item count and a bench rate into hours. Compliance depends on the test methods, the lab and the acceptance criteria, none of which this arithmetic sees.
Why is the effective testing rate lower than throughput? Because setup, handling and delays consume part of every hour. The effective rate spreads the same items over required hours, so it always sits at or below the entered throughput.
What does a negative testing window margin mean? That required hours exceed the hours the window offers. Add bench time, trim the allowance, or split the list across days, and the margin returns to zero or above.
Should retests be added to the item list? Yes, if you can estimate them. Retests consume the same bench hours, so a list that excludes expected retests understates the window a review truly needs.

Last reviewed 2026-10-01.