This calculator is Bad at Math
The output from this calculator was is complete wrong. 4000 fpm through a 10” round duct is 2182 CFM. This calculator output ~8000 CFM.
Yes, Air Flow Conversion Calculator is completely free and it doesn't have any in-app purchases or subscriptions.
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Air Flow Conversion Calculator is free.
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The output from this calculator was is complete wrong. 4000 fpm through a 10” round duct is 2182 CFM. This calculator output ~8000 CFM.