in reply to Cubic inch to litre calculations

The math: The difference between using 12 digits (3.14159265359 / 61.0237440947 = 51.4814798763e-3) vs 5 digits (3.1416 / 61.024 = 51.481e-3) is 9ppm (parts per million), so your volume will be plenty accurate. And as syphilis said, it's the ratios that matter for the water vs chlorine.

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Re^2: Cubic inch to litre calculations
by hippo (Archbishop) on Feb 10, 2019 at 11:45 UTC

    Will the volume really be precise? 5 vs 12 significant figures for π pales when compared to 2 significant figures for radius and only 1 significant figure for depth.

    I agree with both of you about the ratios.

Re^2: Cubic inch to litre calculations
by bliako (Abbot) on Feb 10, 2019 at 13:19 UTC

    If you are in the USA, certain parts have even legislated the PI value (re: Indiana Pi Bill). Not only one must abide to the physical laws, there is also legislation!

    Now, as others said, it's the ratios that matter. But you will need to order some chlorine in litres...

      That 1897 bill was never made into law.

      In defense of Indiana the citizens have had the good sense to resist daylight saving time for the most part until 2006.

Re^2: Cubic inch to litre calculations
by stevieb (Canon) on Feb 10, 2019 at 02:23 UTC

    Your feedback, as always, goes one heck of a long way, pryrt.

    Thank you for your expansion on the matter. I may be requesting feedback on consolidation on some of these matters.