UNITY FPS COUNTER

 1- Create a "Canvas" and add a "Text" and name it "FPS"

2- Create a script and name it "fpsCounter"

3- Attach "fpsCounter" script to "FPS" text

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using UnityEngine.UI;

public class fpsCounter : MonoBehaviour

{

    private float countFps = 0;

    private float currentFpsTime = 0;

    private float fpsShowPeriod = 1;

    private Text gameFPS;

    private void Start()

    {

        gameFPS = GetComponent<Text>();

    }

    void Update()

    {

        currentFpsTime = currentFpsTime + Time.deltaTime;

        countFps = countFps + 1;

        if (currentFpsTime > fpsShowPeriod)

        {

            gameFPS.text = countFps.ToString();

            currentFpsTime = 0;

            countFps = 0;

        }

    }

}