convert string to float in android

You are using a comma when you should be using a period

float f1 = Float.parseFloat("1.9698");

That should work.

You have added comma instead of '.'

Do like this.

float f1 = Float.parseFloat("1.9698");

Hope this will help you..

    Float number;
    String str=e1.getText().toString();
    number = Float.parseFloat(str);

Or In one line-

    float float_no = Float.parseFloat("3.1427");