Place the tape close under your arms - making sure it's flat across your back - and measure your chest at its fullest point.
Measure from the back of your neck, where your shirt collar would normally sit, down to the hemline. You can choose a short, medium or long jacket length, but the length may vary depending on the suit's style.
Measure from the centre back of your neck to the top of the shoulder, and down to your desired length. Ideally there should be some shirt cuff visible - about 1 to 2cm of the shirt cuff visible below the sleeve, so bear this in mind.
Once you have your measurements, it's time to choose your suit. Take a look at our Suit Buying Guide to help you find the perfect style.
This is the distance between your shoulder seams, measured straight across the back with the tape measure laid flat. Make sure you measure from the outermost part of your shoulders to get the most precise fit.
With appropriate shoes on, measure from the top of your inside leg to your desired trouser length. Always round the measurement up to the nearest inch/cm.
Measure the circumference of your waistline, which usually falls roughly 20cm/8inches below your underarm seam (or in line with the bellybutton), keeping one finger between the tape and your body.
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