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Circular Measure |
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Second (“) |
= |
1/60 minute |
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Minute (') |
= |
60 seconds |
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Degree (*) |
= |
60 minutes |
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Right angle |
= |
90 degrees |
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Straight angle |
= |
180 degrees |
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Circle |
= |
360 degrees |
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Troy Weight |
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24 grains |
= |
1 pennyweight (dwt) |
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20 pennyweights |
= |
1 ounce troy (oz t) 480 grains |
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1 pound troy (lb t) |
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Apothecaries' Weight |
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20 grains |
= |
1 scruple (s ap) |
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3 scruples |
= |
1 dram apothecaries' (d rap) 60grains |
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8 drams apothecaries' |
= |
1 ounce apothecaries' (oz ap) |
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12 ounce apothecaries' |
= |
1 pound apothecaries' (lb ap) 96 drams |
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Gunter's or Surveyor's Chain Measure |
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7.92 inches |
= |
1 link (li) |
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100 links |
= |
1 chain (ch) 4 rods 66 ft |
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8 drams apothecaries' |
= |
1 statute mile 320 rods 5,280 ft |
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