Ƙaramar murabba'i hanya ce ta ƙididdiga da ake amfani da ita don nemo layi ko lanƙwasa mafi dacewa don saitin maki bayanai. Ya ƙunshi rage jimlar bambance-bambancen murabba'i a tsakanin ƙimar da aka lura da ƙimar da aka annabta. Sakamakon layi ko lanƙwasa shine mafi kyawun kusantar bayanai kuma yana da mafi ƙarancin adadin kurakurai.
