Power to weight formula

[ant_tay]

as it says in the title can anyone tell me what the formula is to work it out

[michael squeak]

quick google come up with this

clicky (http://www.ajdesigner.com/phphorsepower/horsepower_equation_power_to_weight_ratio.php)

[Stoo]

1000/cars weight (in kgs) x power (bhp)

so 1000/ 750kg x 200 bhp

=266.67 bhp/tonne

[michael squeak]

also got an estimated quarter mile time