A simple render to compare the sizes of multiple different types of cartridges from some common rounds to some rather rare types of ammunition's
The the models of cartridges are modeled after correct dimensions of the given cartridge
cartridge types from top to left - 2mmBritishRF-Berloque - 2 mm Flobert - 2mm Berloque - 00 buck shot shot - 2.34x6.1mm Swiss Minigun - 11 whatzit - 4mm Flobert long - 2.7mm Kolibri - 22 vl daisy-heddon - 4.25 liliput - 22 short - 32 S&W short - 5mm Bergmann - 25 acp - 32 short colt - 12mm Raphael - 22 long rifle - 9mm french - 9mm makarov - 7.62×17 Type 64 - 9mm nickl - 32 acp - 380 acp - 9mm dumonthier - 44 bull dog - 9x18 ultra - 9mm aupo - 320 short - 38 short colt - 45 gap - 320 long - 9mm browning long - 224 montgomery - 40 g&a - 40 s&w - 22 extra long - 450 adams - 400 corbon - 9mm major - 11.35 schouboe - 357 sig - 9mm glisenti - 9x21 ImI - 9mm automatic - 9x19 para - 7.62 para - 32 s&w - 44 webley - 9x25 super auto g - 9mm japanese - 32 moore teat fire - 32 long colt - 8mm dormus - 50 GI - 40 super - 455 webley automatic - 577 revolver - 6.5 bergmann - 8mm nambu - 9x23 largo - 8.45 maxim&silverman - 38 super - 10mm auto - 45 auto rim - 45 acp - 455 webley - 460 rowland - 22 tcm - 48 auto - 9x25 dillon - 5.821 - 500 tranter - 9x25 mauser export - 9x23 winchester - 224 boz - 38 long colt - 9x23 steyr - 7.5mm swiss ordance revolver - 22 magnum - 7.62 tokarev - 7.62 borchard - 32 h&r magnum - 9mm far - 44 henry - 9mm gasser - 45 remington thombson - 5.7 velo dog - 45 schofield - 45 mars long - 45 short colt - 44 russian - 327 magnum - 38 special - 15mm pauly - 44 special - 44 s&w american - 8mm pieper - 10mm magnum - 7.62 nagant - 9mm winchester magnum - 256 magnum - 357 magnum - 357 automag - 44 thor - 440 corbon - 357/44 bain&davis - 44 magnum - 5.7x28 - 45 colt - 44-40 wcf - 44 automag - 17 libra - 40 powermag - 50 ae - 480 ruger - 4.5x26 mkr - 22 spitfire - 30 carabine - 218 bee - 22 jetmag - 454 casull - 9mm flobert - 500 linebaugh - 17 mach iv 221 fireball - 9.1x40 - 7.92×33mm Kurz - 357 maximum - 220 russian - 458 socom - 500 magnum - 6mm ppc - 45 raptor - 24 gauge shotshell - 50 beowulf - 460 s&w magnum - 7.62x39 - 45-60 wcf - 10.4x42 - 57 snider - 6mm ppc - 224 valkyrie - 9x39 - 6.5 grendel - 25-45 sharps - 5.45x39 - 50-70 govt - 5.56 nato - 6.5 pcc - 22-15-60 stevens - 6mm arc - 6.8 spc - 257 raptor - 8x35 ribeyrolles - 224 weatherby magnum - 308 picra - 7.62x45 - 45-70 govt - 6mm brn - 8.15x46r - 577 snider - 410 shothell - 32-40 win - 303 savage - 30-30 win - 307 winchester - 20 gauge shotshell - 12 gauge shotshell - 28 gauge shotshell - 6.5 ics - 7.62x47 t65 - 243 win - 260 rem - 7.62x51 nato - 338 federal - 6x60 caseless - 43 spanish - 6.5x50 arisaka - 7.5x55 swiss - 6.5x52 carcano - 42 berdan - 8x56mmR mannlicher - 7.62x40 cetme - 8x50mmR label - 7.62x54r - 8 gauge shotshell - 7x57mmr - 7x57mm mauser - 6mm navy - 303 british - 7.7x58mm arisaka - 405 winchester - 10.75x68 mauser - 9x57 mauser - 577/450 martini henry - 8mm mauser - 450 winchester magnum - 25-06 rem - 256 newton - 30-06 - 300 winchester magnum - 33-06 - 585 nyati - 9x71r peterlongo - 600 nitro express - 577 tyrannosaur - 338 lapua magnum - 460 weatherby magnum - 4 gauge shotshell - 700 nitro express - 50 fat mac - 50 vickers - 17 incenerator - 408 chey tac - 25.4x94r chinese - 13.2 tuf - 55 boys - 50 bmg - 4.5x40r - 12,7x108 - 5.66x39 aps - 20x102 vulcan.