The table below gives notation for pitches based on standard piano key frequencies: standard concert pitch and twelve-tone equal temperament. When a piano is tuned to just intonation, C4 refers to the same key on the keyboard, but a slightly different frequency. Notes not produced by any piano are highlighted in medium gray, and those produced only by an extended 108-key piano, light gray.
Also I suggest this Tool. It will allow you to highlight a single loop, tell you its frequency and what to set basenote/transpose and finetune to tune it to C4.
This is a very simple tool to aid in tuning samples and other sample work, updated for 2.8 with some small additions I have made for personal use. Select a portion of a sample (usually a single cycle), or make no selection to use the entire sample, then context menu Process -> Calculate Tuning… The tool will then output the following.
3322 [sampletuncalc.png]
Option to input the number of cycles selected, defaults to 1. Number of sample frames selected. The frequency of the selection. The time…