1000000 btu per hour to imperial hp 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 Mechanical Horsepower are 1000000 BTUs per Hour we have to multiply 1000000 by 263764000000 and divide the product by 671129884424043. So for 1000000 we have: (1000000 × 263764000000) ÷ 671129884424043 = 2.63764E+17 ÷ 671129884424043 = 393.01483382216 Mechanical Horsepower
So finally 1000000 btu per hour = 393.01483382216 imperial hp