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 · 4 bulk records on file for Terbium.

Form

Quoted in: Compound, 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

Terbium (Tb) · Retail tier

Estimated fair price

Low · P25

$5,437.62

Mid · P50

$10,694.96

High · P75

$18,878.13

USD per kg

Medium confidence

8 records · 6 sellers · Mar 20, 2026 to Mar 22, 2026

Caveats

The sample spans multiple forms (Oxide, Metal); different forms can price very differently.

How this was calculated

Basis & provenance

Records matched: 8
Distinct sellers: 6
Quote date range: Mar 20, 2026 to Mar 22, 2026
Tier band: Retail
Forms in sample: Oxide, Metal
Avg record confidence: 0.66
Observed price range: $4,029 to $40,600
Match mode: all forms

Method

retail tier (default, no quantity given) · all forms (oxide, metal) · 8 record(s) from 6 seller(s) · weighted P25/P50/P75 by confidence×recency(½-life 180d) · wide dispersion (IQR 126% of median) → confidence capped

Source records (8)

R-0030
R-0031
R-0032
R-0101
R-0102
R-0103
R-0104
R-0108

Each record is listed in full on the Terbium provenance table (12 records total). To add a sourced quote, contribute the record.