Score – counting & quantity

General & non-SITraditional unit (still used in some regions)

Twenty items. Seen in 'threescore years and ten' and 'four score and seven years ago'.

1 score = 20 pieces (exactly).

1 score = 20 pieces

About the score

Score is a counting word for twenty, and it likely began as a notch. The Old Norse skor meant a notch or tally cut into a stick, and every twentieth mark was made larger, so the word came to mean twenty itself. English often pairs it with a number, as in threescore or fourscore. People also use scores loosely for a large, unspecified number.

Two famous passages keep the unit visible. In Psalm 90:10 of the King James Bible, the days of our years are threescore years and ten, which is 70, or fourscore, which is 80, if strength allows. And on November 19, 1863, Abraham Lincoln opened the Gettysburg Address with four score and seven years ago, meaning 87 years, which counts back to 1776 and the Declaration of Independence. A score of years is simply two decades.

Sources: Wikipedia: Score (number); King James Bible, Psalm 90:10 (BibleHub); Wikipedia: Gettysburg Address

Score conversion chart

1 score expressed in every other counting & quantity unit:

Unit1 score
Pieces20
Dozens1.666666667
Lakhs0.0002
Millions0.00002
Crores0.000002
Billions (short Scale)2×10⁻⁸
Pairs10
Hundred0.2
Gross0.1388888889
Thousand0.02
Trillions (short Scale)2×10⁻¹¹
Half Dozens3.333333333
Quadrillions2×10⁻¹⁴
Reams0.04
Moles3.321078134×10⁻²³
Baker's Dozens1.538461538
Small Gross0.1666666667
Great Gross0.01157407407
Myriads0.002
Yi / Oku2×10⁻⁷
Arab (Indian)2×10⁻⁸
Kharab (Indian)2×10⁻¹⁰
Billions (long Scale)2×10⁻¹¹
Quires0.8

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