From Marteau

1 foot = 32.484 cm

The Lexicon technicum: or, an universal English dictionary of arts and sciences ... By John Harris, ... The third edition (London, 1716), article "Measures", offers a decimal equation of 1.068 London ft. which would be 32.55 cm. The table offers, however, also a "Paris Foot according to Dr. Bernard of 1.066 London ft, i.e. 32.49 cm.

Weights and Measures, 1650-1750