Resolution of card entities?

I am gathering data to calibrate a moisture sensor. The log file shows the value resolution in 5 decimal places

[17:40:09][D][sensor:124]: ‘garden Moisture’: Sending state 1.69922 V with 2 decimals of accuracy

Yet, on the entities card, I only get two:

Garden Moisture 1.70

How can I display the full resolution on a card?