Bitcoin Weigh-In
silver, or Plutonium-238 does 1 BTC buy?
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What is Bitcoin Weigh-In?
Bitcoin Weigh-In is a data visualization and dataset tool that shows how much physical commodities 1 Bitcoin can purchase at daily market closing prices. The tool displays the current Bitcoin price in USD and converts it into tangible physical quantities like troy ounces of gold, silver, and platinum, pounds of copper, barrels of Brent crude oil, bushels of wheat, and pounds of Arabica coffee.
The key feature is the Bitcoin Weigh-In dataset, which records daily closing prices in US dollars for a curated set of fungible commodities from January 2, 2013 to the present. The dataset includes both raw commodity prices in USD and derived columns showing how much of each commodity 1 BTC could purchase at each day's close. Data is updated daily at 02:00 UTC and available in multiple formats including CSV, JSON, NDJSON, and Parquet.
The tool also includes illustrative comparisons for Plutonium-238 and cocaine on the main visualization, though these are engineering composites not included in the downloadable dataset. The main visualization shows physical dimensions like the cube edge of gold equivalent to 1 BTC (currently 30.2 mm) and the weight you could carry (1.18 lb or 533.9 g).
Bitcoin Weigh-In is designed for cryptocurrency investors, commodity traders, data analysts, researchers, and anyone interested in understanding Bitcoin's purchasing power relative to physical assets. The dataset is freely available under CC-BY-4.0 license for commercial, academic, and derivative use with attribution.
Bitcoin Weigh-In pricing
Pricing model: Freemium
Free - The dataset is distributed under Creative Commons Attribution 4.0 International (CC-BY-4.0) license. You can use this dataset for anything — commercial, academic, derivative — as long as you credit Bitcoin Weigh-In as the source. All formats (CSV 797.8 KB, JSON 1.87 MB, NDJSON 1.90 MB, Parquet 707.4 KB) are freely downloadable. API access at /api/prices.json is free with permissive CORS for browser-based use.
Bitcoin Weigh-In pros
- Daily updates at 02:00 UTC
- Historical data from 2013-01-02 to present
- Multiple download formats (CSV, JSON, NDJSON, Parquet)
- Free under CC-BY-4.0 license for any use
- Includes 8 live market commodities
- Derived per-BTC purchasing power columns
- Deterministic BTC supply from halving schedule
- SHA-256 checksums for data verification
- API access at /api/prices.json with CORS
- Versioned paths for reproducible analysis
- 5-minute cache window for API
- Shows physical dimensions (cube edge, weight)
- No API dependency for BTC supply calculation
- Per-row forward-fill provenance tracking
- Public domain sources for government data
Bitcoin Weigh-In cons
- Pre-2013 data unavailable
- Commodities forward-filled on market holidays
- Plutonium and cocaine prices illustrative only
- Stooq requires API key for commercial use
- Coffee unit correction broke v1.0 analysis
- Forward_fill column empty for v1.0 historical rows
- Brent crude lags one business day
- Only daily close prices, no intraday data
Frequently asked questions about Bitcoin Weigh-In
What is Bitcoin Weigh-In?
Bitcoin Weigh-In is a dataset and visualization that shows how much physical commodities 1 Bitcoin can purchase at daily market closing prices. It tracks 8 commodities (gold, silver, platinum, copper, Brent crude, wheat, coffee) from 2013 to present, with derived columns showing troy ounces of gold/silver/platinum per BTC, pounds of copper/coffee per BTC, barrels of Brent per BTC, and bushels of wheat per BTC.
What commodities are included in the dataset?
The dataset includes 8 live market commodities: Bitcoin BTC-USD, Gold XAU-USD (troy ounce), Silver XAG-USD (troy ounce), Platinum XPT-USD (troy ounce), Copper HG continuous (pound), Brent crude DCOILBRENTEU (barrel), Wheat ZW continuous (bushel), and Coffee KC continuous (pound of Arabica). Plutonium-238 and cocaine appear on the main visualization but are illustrative composites not in the dataset.
What file formats are available for download?
Four formats are available: CSV (prices.csv, 797.8 KB), JSON (prices.json, 1.87 MB), NDJSON (prices.ndjson, 1.90 MB), and Parquet (prices.parquet, 707.4 KB). All files include SHA-256 checksums published in SHA256SUMS for verification.
How is the data licensed?
The dataset is distributed under Creative Commons Attribution 4.0 International (CC-BY-4.0). You can use it for anything — commercial, academic, derivative — as long as you credit Bitcoin Weigh-In as the source. Full license text is available at LICENSE.txt.
How do I access the API?
The API is available at /api/prices.json with permissive CORS for browser-based use. Use curl 'https://bitcoinweighin.com/api/prices.json', or in Python: requests.get('https://bitcoinweighin.com/api/prices.json').en JavaScript: fetch('https://bitcoinweighin.com/api/prices.json'). The endpoint points to the latest version with a 5-minute cache window. For reproducible analysis, use versioned paths like /data/v1.0.1/prices.json.
What is the coverage period?
The dataset covers January 2, 2013 to present, with daily rows. Version 1.0.1 shifted the start date from 2013-01-01 to 2013-01-02 because the first row carried only the BTC price with no prior close to forward-fill from. The dataset contains 4,879 rows total. Pre-2013 data is unavailable at acceptable quality.
What sources provide the commodity prices?
Bitcoin and most commodities come from Stooq daily closes (gold, silver, platinum, copper, wheat, coffee). Brent crude comes from FRED DCOILBRENTEU (Europe Brent spot FOB from EIA via Federal Reserve Economic Data), typically lagging one business day. BTC circulating supply is derived deterministically from the Bitcoin halving schedule at 144 blocks/day, halving every 210,000 blocks.
What changed in version 1.0.1?
Version 1.0.1 (2026-05-17) corrected the coffee_usd unit from cents per pound to dollars per pound, making coffee_per_btc correctly denominated in pounds of Arabica coffee per BTC. Previous values were 100× the correct figure. The coverage start also shifted from 2013-01-01 to 2013-01-02. Users of v1.0 should re-derive any coffee-based analysis.
What is the forward_filled column?
The forward_filled column tracks which fields were forward-filled on market-closed days (weekends, holidays, outages). It contains an empty string when no fields were forward-filled, or a pipe-delimited list of column names (e.g., 'xpt_usd|brent_usd') when some were. Per-row tracking begins in v1.1; all v1.0 historical rows carry an empty string regardless of true fill state.
How do I cite this dataset?
Use: 'Bitcoin Weigh-In (2026). Bitcoin Weigh-In Daily Commodity Price Dataset (Version 1.0.1) [Data set]. Retrieved from https://bitcoinweighin.com/data.' A Citation File Format is also available at CITATION.cff. Attribution to Bitcoin Weigh-In as the source is required for all uses under the CC-BY-4.0 license.