मूल्य सूचकांक की गणना के लिए फिशर विधि सूत्र द्वारा दी गई है।
1
P01 = \(\frac{{\sum {P_1}{Q_0} \times 100}}{{\sum {P_0}{Q_0}}}\)
2
P01 = \(\frac{{\sum {P_1}{Q_1} \times 100}}{{\sum {P_0}{Q_1}}}\)
3
P01 = \(\sqrt {\frac{{\sum {P_1}{Q_0}}}{{\sum {P_0}{Q_0}}}\; \times \;\frac{{\sum {P_1}{Q_1}}}{{\sum {P_0}{Q_1}}}} \) × 100
4
P01 = \(\frac{{\sum {P_1}{Q_0}}}{{\sum {P_0}{Q_0}}}\; \times \;\frac{{\sum {P_1}{Q_1}}}{{\sum {P_0}{Q_1}}}\)