# The Weights and Measures (Local and Working Standard Capacity Measures and Testing Equipment) Regulations 1990, Schedule 4: LOCAL STANDARD CAPACITY MEASURES


(excluding proving tanks and proving tanks for water)
(a) Imperial
(b) Metric
Local Standard of—
Limit of Error
Local Standard of—
Limit of Error
⅙, ⅕ or ¼ gill
0.12 ml
1 or 2 ml
0.04 ml
⅓ gill
0.15 ml
5 ml
0.06 ml
⅖ or ½ gill
0.20 ml
10 ml
0.08 ml
4 fl oz
0.25 ml
20 or 25 ml
0.12 ml
1 gill
0.30 ml
50 ml
0.15 ml
6 fl oz
0.35 ml
100 ml
0.20 ml
⅓ pt, 8 fl oz or ½ pt
0.4 ml
125 ml
0.25 ml
1 pt
0.5 ml
150 ml
0.30 ml
1 quart or ½ gal
1.0 ml
175 ml
0.35 ml
1 gal
2.5 ml
200 or 250 ml
0.4 ml
more than 1 gal
0.02 per cent of the nominal capacity
500 ml
0.5 ml
1 l or 2 l
1.0 ml
2.5 l
1.2 ml
5 l
2.5 ml
10 l
5 ml
more than 10 l
0.02 per cent of the nominal capacity

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Source: https://www.legislation.gov.uk/uksi/1990/2626/schedule/4 (the official version)
Page: https://openlegislation.uk/weights-and-measures-local-and-working-standard-capacity-measures-and-testing-equipment-regulations-1990/schedule-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.