Trousers

Waist

Measure the top of the waistband from edge to edge and double this

Front Rise

Measure from the centre front at the top of the waistband down to the crotch seam

Back Rise

Measure from the centre back at the top of the waistband down to the crotch seam

Hip

Measure across where your hip would be and double this

In Seam

Measure from the crotch down to the hem on the inside leg

Length

Measure from the top of the waistband down to the hem