Draft Calculator

Vessel's Summer DWT	MT
* Look in Q88 V4 - search for "5.2 Loadline Information \| Deadweight \| Summer".
Intended Loading Qty	MT
* What is the quantity you intend to load?
TPC	MT
* Look in Q88 V4 - search for "1.29 TPC Immersion at Summer Draft".

(Summer DWT) less (Intended Qty) / TPC = Unused DWT in cm

Unused DWT Measurement	cm
Convert to Meters	m

Approx Draft for Intended Qty = (Summer Draft) less (Unused DWT Measurement)

Vessel's Summer Draft	m
* Look in Q88 V4 - search for "5.2 Loadline Information \| Draft \| Summer".
Approx Draft	m
	\|

Disclaimer: Please note that the draft is only approximate as it excludes ballast and bunkers of the vessel.
Hence, you will need owners / masters to confirm.