Relative density

This unit of measurement (also known as specific density) describes, as a dimensionless ratio, the quotient of two densities. In viticulture, this is defined as the weight ratio between the mass per unit volume of wine or grape must and the same mass per unit volume of water (with a density of 1.000) at a measurement temperature of 20 °Celsius. In the case of grape must, this is also referred to as must weight. The result is given to four decimal places and denoted by the code ‘d’ (for density) or ‘d20/20’. The notation ‘20/20’ indicates that the measurement was carried out at 20 °C and that the measuring instrument is calibrated to the same temperature (20 °C).

To read the full text, you must be a Premium Member of wein.plus. You are currently not logged in to wein.plus. Become a Premium Member or log in with your credentials .

Become a Premium Member of wein.plus

Voices of our members

Using the encyclopaedia is not only time-saving, but also extremely convenient. What's more, the information is always up to date.
Markus J. Eser
Weinakademiker und Herausgeber „Der Weinkalender“

	Unlimited access to wine knowledge: Over 150,000 independent wine reviews, the world's largest wine encyclopaedia and extensive specialist articles in wein.plus magazine.
	eBook wein.plus magazine
	Exclusive purchase discounts: Benefit from attractive offers and discounts from our partners - exclusively for Premium members.
	Ad-free reading experience: Enjoy all content without adverts or tracking.

	Maximum visibility: Present your wines and your company to over 200,000 wine lovers and professionals from the catering and retail sectors - with pinpoint accuracy and without wastage.
	More sales through find+buy: Increase your online sales with direct purchase links to your wines on Europe's largest wine platform.
	Valuable business benefits: Benefit from business framework agreements, save money on services and partner offers and use exclusive services such as free bottle photos and marketing seals.
	eBook wein.plus magazine

You can also use our powerful search function with many flexible filters, such as:

Wine tastings

Wine producers

Wine regions

find+buy wine search engine

Business directory wine

Places

Lexicon

News & stories

Events

Relative density

To read the full text, you must be a Premium Member of wein.plus. You are currently not logged in to wein.plus. Become a Premium Member or log in with your credentials .

Voices of our members

The world's largest Lexicon of wine terms.

EVENTS NEAR YOU

Welcome back!

You can also use our powerful search function with many flexible filters, such as:

Wine tastings

Wine producers

Wine regions

find+buy wine search engine

Business directory wine

Places

Lexicon

News & stories

Events

Relative density

To read the full text, you must be a Premium Member of wein.plus. You are currently not logged in to wein.plus. Become a Premium Member or log in with your credentials .

Voices of our members

The world's largest Lexicon of wine terms.

EVENTS NEAR YOU

wein.plus

Your approval is required – if you are not a Premium Member

Read with advertising

Consent:

... or become a Premium Member

Enjoy wein.plus without advertising and tracking by third parties!

Our Private Premium Membership offers you:

Our Business Premium membership offers you:

Your approval is required –
if you are not a Premium Member