| SHORTTON | Unit of mass equal to 2,000 lbs |
| TUN | Sounds as if big cask weighs 2,000 lbs. |
| TON | 2,000 lbs. |
| GRAIN | Unit of mass equal to a seed of com; 1/4 of a carat formerly used to measure diamonds/pearls; or, a unit used to weigh archers' arrows (5) |
| BLOB | A unit of mass equal to 12 slugs; a duck or score of zero in cricket; a dab or spot of colour; or, a globule (4) |
| GRAM | Metric unit of mass equal to one thousandth of a kilogram |
| TOLA | From Sanskrit for "weight", the name of a traditional Indian unit of mass equal to 180 troy grains (4) |
| CENTIGRAM | Metric unit of mass equal to one hundredth of a gram (9) |
| TONNE | A unit of mass equal to 1,000 kilograms (5) |
| PENNYWEIGHT | Unit of mass equal to 24 grains (11) |
| POUND | Imperial unit of mass equal to 16 ounces (5) |
| DECIGRAM | Metric unit of mass equal to 0.00022 pounds or 0.00353 ounces (8) |
| KILOGRAM | Metric unit of mass that is very nearly equal (it was originally intended to be exactly equal) to the mass of 1,000 cubic cm of water. The pound is defined as equal to 0.45359237 of this unit. (8) |
| STONE | Unit of mass based on the weight of a rock that was standardised by Edward III as 14 lbs; or, a sarsen or megalith forming part of a prehistoric monument (5) |
| LITRES | Equal to 2,000 cubic centimetres (6) |
| BARYON | A subatomic particle with a mass equal to or greater than that of a proton |
| SLUG | Unit of mass in the English system of measurement, whose weight at sea level is 32.17 pounds. (This word is also used in English to describe a land snail without a shell.) (4) |
| INDIA | Country in plan to drop metric unit of mass . . . . (5) |
| DRAM | Unit of mass and volume, also the currency of Armenia (4) |
| CARAT | The unit of mass of a diamond sounds like an orange vegetable |
