This is a listing of common cartridge case capacities, in grains of
water. The source of the full case capacity data is 'Some Simplified Interior
Ballistics for Handloaders', by Wm. C. Davis, Jr. , from the book 'HANDLOADING'
(NRA), p. 139. The source of the case length data is 'Cartridges of the World',
by Frank Barnes, 'spot' verified by the Speer Reloading Manual #12.
: use this information for comparision
purposes only. If you are using any Powley Equations, you MUST measure the
capacity of YOUR cases.
| Full Case Capacity, | Std. Case | |
| Cartridge | Grains of Water | Length (in) |
| .17 Rem | 26 | 1.796 |
| .218 Bee | 18 | 1.345 |
| .219 Wasp | 35 | 1.710 |
| .219 Zipper | 34 | 1.940 |
| .22 Hornet | 14 | 1.403 |
| .22 PPC | n/a | 1.505 |
| .220 Swift | 48 | 2.205 |
| .221 Fireball | 20 | 1.400 |
| .222 Rem | 27 | 1.700 |
| .222 Rem Mag | 32 | 1.850 |
| .223 Rem | 31 | 1.760 |
| .224 Wby Mag | 38 | 1.920 |
| .225 Win | 40 | 1.930 |
| .22-250 | 45 | 1.912 |
| 6 x 47mm | 33 | 1.840 |
| 6mm | 55 | 2.233 |
| 6mm BR Mag | n/a | 1.560 |
| 6mm PPC | n/a | 1.503 |
| .240 Wby Mag | 65 | 2.500 |
| .243 Win | 54 | 2.045 |
| .244 Rem | 55 | 2.233 |
| .25-20 WCF | 19 | 1.330 |
| .25-35 Win | 37 | 2.043 |
| .250 Savage | 46 | 1.912 |
| .256 Win Mag | 22 | 1.281 |
| .257 Roberts | 55 | 2.233 |
| .25-06 Rem | 66 | 2.494 |
| .257 Wby Mag | 84 | 2.545 |
| 6.5 x 54mm M.S. | 50 | 2.102 |
| 6.5mm Jap | 48 | 1.974 |
| 6.5 x 55mm | 56 | 2.155 |
| 6.5mm Rem Mag | 68 | 2.170 |
| .264 Win Mag | 82 | 2.500 |
| .270 Win | 68 | 2.540 |
| .270 Wby Mag | 82 | 2.545 |
| 7-30 Waters | 42 | 2.040 |
| 7 x 57mm Mauser | 59 | 2.235 |
| 7mm Express Rem | 68 | 2.540 |
| 7mm-08 Rem | 54 | 2.035 |
| 7 x 61mm S&H | 75 | 2.400 |
| 7mm Wby Mag | 82 | 2.545 |
| 7mm Rem Mag | 84 | 2.500 |
| .280 Rem | 68 | 2.540 |
| .284 Win | 66 | 2.170 |
| .30 Carbine | 20 | 1.290 |
| .30 Herrett | 35 | 1.604 |
| .30 Rem | n/a | 2.050 |
| .30-30 | 45 | 2.040 |
| .30-40 Krag | 58 | 2.314 |
| .300 Savage | 52 | 1.871 |
| 7.62mm NATO (Mil) | 54 | 2.015 |
| .30-06 Spgfld | 69 | 2.494 |
| .300 H&H Mag | 86 | 2.850 |
| .300 Win Mag | 88 | 2.620 |
| .300 Wby Mag | 98 | 2.820 |
| .307 Win | n/a | 2.015 |
| .308 Win | 56 | 2.015 |
| .308 Norma Mag | 87 | 2.560 |
| 7.65mm Mauser | 57 | 2.096 |
| .303 British | 57 | 2.222 |
| .303 Savage | n/a | 2.015 |
| 7.7mm Jap | 60 | 2.264 |
| .32-20 Win | 22 | 1.315 |
| .32-40 | 41 | 2.130 |
| .32 Win Special | 45 | 2.040 |
| .32 Rem | 46 | 2.040 |
| 8 x 57mm Mauser | 60 | 2.240 |
| 8mm-06 | 70 | 2.484 |
| 8mm Rem Mag | 98 | 2.850 |
| .338 Win Mag | 85 | 2.500 |
| .340 Wby Mag | 96 | 2.820 |
| .348 Win | 75 | 2.255 |
| .38 Special | 24 | 1.160 |
| .357 Mag | 27 | 1.290 |
| .357 Herrett | 41 | 1.750 |
| .35 Rem | 51 | 1.920 |
| .351 Win S.L. | 27 | 1.380 |
| .358 Win | 57 | 2.015 |
| .35 Whelen | 70 | 2.494 |
| .350 Rem Mag | 71 | 2.170 |
| .358 Norma Mag | 88 | 2.519 |
| .375 Win | 49 | 2.020 |
| .375 H&H Mag | 94 | 2.850 |
| .378 Wby Mag | 133 | 2.908 |
| .38-40 WCF | 40 | 1.305 |
| .38-55 Win & Ballard | 52 | 2.129 |
| .416 Rem Mag | n/a | 2.850 |
| .416 Wby | n/a | 2.813 |
| .44 Rem Mag | 39 | 1.285 |
| .44-40 WCF | 40 | 1.305 |
| .444 Marlin | 66 | 2.225 |
| .45-70 | 79 | 2.105 |
| .458 Win Mag | 93 | 2.500 |
| .460 Wby Mag | 138 | 2.908 |
Last updated : 03 December 1997