Bits are the standard form of currency used throughout Equestria in various episodes of My Little Pony: Friendship is Magic as well as other fourth-generation My Little Pony media. Bits are small, round coins made of gold or silver with an embossed rim. Various designs printed on them are visible in "Three's A Crowd", in the IDW comics' Friends Forever Issue #8 story "Reins, Trains and Carts with Wheels", Friendship is Magic Issue #26 story "High Plains Ponies", and Friendship is Magic Issue #28 story "Root of the Problem - Part 2: Flower Power", in Gameloft's mobile game, and in a deleted scene from My Little Pony: Equestria Girls – Friendship Games. Silver Shill, Gladmane, "Street Rat", S06E08 Unnamed Earth Stallion #4, "Beuford", S05E06 Unnamed Earth Stallion #24, and S05E12 Unnamed Earth Mare #4 have cutie marks of or including bits.

Dollar signs are used to indicate bits in the IDW comics' Friendship is Magic Issue #9 story "Zen and the Art of Gazebo Repair", Friendship is Magic Issue #10 story "Zen and the Art of Gazebo Repair - Part Deux: 'If You Only Have a Hammer, You See Every Problem as a Nail'", Friends Forever Issue #8 story "Reins, Trains and Carts with Wheels", and Friends Forever Issue #12. Filthy Rich, Upper Crust, Long Shot, Roger Silvermane, Big Shot, Summer van der Hoof, Issue 13 Unnamed Mare - Dollar Sign, and Friends Forever 16 Unnamed Filly - Veronica Lodge, have cutie marks of or including dollar signs, and Stinkin' Rich and Issue 23 Unnamed Filly - Lucy van Pelt, have cutie marks of or including cent signs.

"Bit" is a colloquial term for certain coins, and also the term for the mouthpiece on a horse's bridle.