EspHome LCD

ESPHome
21

Have sameone tell me where and how to add a filters: ROUND to one or two decimal value.
And how to from W to kW. Have big numbers and no place to display

text_sensor:
  - platform: homeassistant
    id: line1
    entity_id: number.abb_charging_current_limit
  - platform: homeassistant
    id: line2
    entity_id: sensor.poraba_spodaj_energy_current_0
  - platform: homeassistant
    id: line3
    entity_id: sensor.poraba_spodaj_energy_current_1
  - platform: homeassistant
    id: line4
    entity_id: sensor.poraba_spodaj_energy_current_2
  - platform: homeassistant
    id: line5
    entity_id: sensor.abb_energy_delivered  
     
display:
  - platform: lcd_pcf8574
    id: "mydisplay"
    dimensions: 16x2
    address: 0x3F
    lambda: |-
      it.printf(0,0,"Avto:%sA" , id(line1).state.c_str());
      it.printf(9,0,"/ %skW" , id(line5).state.c_str());
      it.printf(0,1, "%s" , id(line2).state.c_str());
      it.printf(4,1, "/%s" , id(line3).state.c_str());
      it.printf(8,1, "/%sA" , id(line4).state.c_str());