How much does a black crappie weigh?
Upload a photo of your catch, or use the tools below, to estimate its weight.
About the black crappie
Typical adult length: 6–14 in (about 0.1–1.8 lb)
- Lifespan
- Typically lives 5 to 8 years, occasionally longer.
- Habitat
- Prefers clear lakes and reservoirs with submerged brush, timber, or other structure.
- Diet
- Feeds mainly on small fish and aquatic insects.
- Baits & techniques
- Small jigs and live minnows fished near brush piles or docks are highly effective.
- Best season
- Spring, during the spawn, is the classic prime crappie season.
- Best time of day
- Low light periods, dawn and dusk, tend to produce the best action.
- Black crappie have irregular, blotchy black markings, while white crappie have vertical bars.
- They often school tightly around submerged structure, so finding one usually means finding more.
- Crappie are considered excellent table fare, which drives much of their popularity.
Black Crappie length-to-weight chart
10 inches up to record size (19 in), using the standard length-to-weight formula for this species.
| Length (in) | Estimated weight (lb) |
|---|---|
| 10 | 0.6 |
| 12 | 1.1 |
| 14 | 1.8 |
| 16 | 2.6 |
| 18 | 3.8 |
| 19 | 4.4 |
Estimating weight without a scale
Length-to-weight formulas like the one above assume a typical black crappie shape for a given length - fisheries biologists call this the cube law. Real fish vary: a well-fed fish ahead of spawning season can weigh noticeably more than a lean fish of the same length, and body shape varies fish to fish.
Adding girth (the distance around the fish at its widest point) meaningfully improves the estimate, because it captures how deep-bodied this particular fish actually is instead of assuming average proportions for the species - use the calculator above and fill in girth if you can measure it.
Either way, treat the result as a solid estimate, not a certified weight - see our terms for why these numbers shouldn't be used for tournaments, regulations, or sales.