| Calcium salt | Elemental calcium content | |
| mg Ca++ per gram | mEq Ca++ per gram | |
| Calcium acetate | 250 | 12.7 |
| Calcium carbonate | 400 | 20 |
| Calcium chloride | 270 | 13.5 |
| Calcium citrate | 211 | 10.6 |
| Calcium glubionate | 64 | 3.2 |
| Calcium gluconate | 90 | 4.5 |
| Calcium lactate | 130 | 6.5 |
| Calcium phosphate, tribasic | 390 | 19.3 |
