This study provides an interpretation of financial ratios of Tesco Plc from 2017-18 to 2019-20. It includes ratios such as Return on Investors' Financing, Return on Capital Employed, Returns on Total Assets, Net Profit Margins, Gross profitability ratio, Net Resources Turnover, Fixed Assets Turnover, Interest Coverage Proportion, Stock Turnover, Debtors Turnover, Debtor Collection Period, Creditor Payment, Current Proportion, Liquidity Proportion, Asset Cover, and Gearing. The study concludes that Tesco's achievement over the last three years has been excellent, and the company is helpful in enhancing its profitability.