0.042 ha to sq yd conversion result above is displayed in three different forms: as a decimal (which could be rounded), in scientific notation (scientific form, standard index form or standard form in the United Kingdom) and as a fraction (exact result). Every display form has its own advantages and in different situations particular form is more convenient than another. For example usage of scientific notation when working with big numbers is recommended due to easier reading and comprehension. Usage of fractions is recommended when more precision is needed.
If we want to calculate how many Square Yards are 0.042 Hectares we have to multiply 0.042 by 15625000000 and divide the product by 1306449. So for 0.042 we have: (0.042 × 15625000000) ÷ 1306449 = 656250000 ÷ 1306449 = 502.31581944645 Square Yards
So finally 0.042 ha = 502.31581944645 sq yd