Tools

Price Gauge

Enter an element, form, purity, and quantity. The gauge returns a low/mid/high USD per kg range, a confidence grade, and the sourced records behind it.

How prices are set →View as JSON →

Inputs

Gauge a price

Element *

8 retail · 0 bulk records on file for Lanthanum.

Form

Quoted in: Metal, Oxide.

Purity

Optional. Weights the estimate toward like-purity records.

Quantity

Under 25 kg is retail, 25 kg and up is bulk. Blank defaults to retail.

Tier override

Force a tier regardless of quantity. Retail and bulk are never mixed.

Reset

Lanthanum (La) · Retail tier

Estimated fair price

Low · P25

$2.49

Mid · P50

$612.97

High · P75

$16,128.48

USD per kg

Low confidence

8 records · 8 sellers · Mar 15, 2026 to Apr 4, 2026

Caveats

Indicative only: 8 records from 8 sellers.

How this was calculated

Basis & provenance

Records matched: 8
Distinct sellers: 8
Quote date range: Mar 15, 2026 to Apr 4, 2026
Tier band: Retail
Forms in sample: Oxide, Metal
Avg record confidence: 0.57
Observed price range: $2 to $21,148
Match mode: all forms

Method

retail tier (default, no quantity given) · all forms (oxide, metal) · 8 record(s) from 8 seller(s) · weighted P25/P50/P75 by confidence×recency(½-life 180d) · wide dispersion (IQR 2631% of median) → confidence capped

Source records (8)

R-0001
R-0002
R-0003
R-0182
R-0183
R-0184
R-0185
R-0186

Each record is listed in full on the Lanthanum provenance table (8 records total). To add a sourced quote, contribute the record.