如何将数字从 百万分之一(ppm) 转换为 百分比(%).
1% = 1/100
1ppm = 1/1000000
So one parts-per million is equal 转换为 0.0001 percent:
1ppm = 0.0001%
So 转换为 convert from ppm转百分比, divide the ppm by 10000:
x(%) = x(ppm) / 10000
Convert 300ppm 转换为 percent:
x(%) = 300ppm / 10000 = 0.03%