This app is used to find the Density at 15°C (ASTM 53B) and also calculate the tank volume based on the cm reading. The tank calibrated for this calculation are 10,000 litres, 15,000 litres, 20,000 litres and 45,000 litres tank. The tanks are as per Bharat Petroleum Corporation Limited Retail Outlets. Other custom tanks can also be added. Download our other app Fuel Pump Calculator to calculate shift closing for your fuel station staff and also generate sales report.