Food energy: 39 sourced records

What this topic measures

These are food-composition reference values per 100 g, not serving sizes. Cooking and water content change the comparison. The unit is kcal per 100 g. This topic uses ratio scoring: a value half the target and a value twice the target are equally far away, so think in multiplicative bands rather than fixed steps.

A record is a named row in the frozen catalog, not necessarily a unique entity. Some topics contain several records with the same value, and a name round accepts any record at the closest distance. The table below is the complete answer set for this topic; there is no hidden shortlist.

All 39 records

Every row links to the original source used for that record. Values are rounded for display only; the scoring engine uses the stored source value. The snapshot date and unit are part of the topic’s definition, so a current live figure may differ.

The table has 39 rows, one for each accepted record. It does not list every alias or spelling variant; the game’s name matcher handles those at answer time. If two records share a value, both remain separate rows.

The range and the gaps

The 39 records run from 15 kcal per 100 g to 884 kcal per 100 g. The median is 127 kcal per 100 g, with a middle half from 49.5 kcal per 100 g to 285 kcal per 100 g. The largest adjacent gap is 167 kcal per 100 g between Salted butter and Olive oil. 2 records share a value with another record, so names can be tied even when their values are equal.

The highest listed records are Olive oil (884 kcal per 100 g), Salted butter (717 kcal per 100 g), English walnuts (654 kcal per 100 g). The lowest are Cucumber (raw, with peel) (15 kcal per 100 g), Green-leaf lettuce (raw) (15 kcal per 100 g), Tomato (raw) (18 kcal per 100 g). Use these as anchors before you make a ratio or year estimate; the table below gives every value.

What the table does not tell you

These are single snapshot values in kcal per 100 g for USDA SR Legacy · per 100 g edible portion · preparation shown. The table is not a time series, a range of typical values or a measure of uncertainty. A source can round, revise or use a different definition in a later release; the game uses the stored snapshot for every score. Read the source and the record label before treating a value as a current live measurement.

How to estimate this topic

Food energy is kilocalories per 100 g of the stated edible preparation. Raw, cooked, drained and roasted versions can differ, so read the record name. Use 50, 200 and 500 kcal bands; oils and nuts sit far above vegetables.

For a method that applies across topics, see the estimation guide. To practise this topic without changing a daily result, open the practice setup for Food energy. The setup opens first; it does not start a clock automatically.

Recent daily use

No completed daily flight has used this topic yet. The next flights may include it; the practice setup is available now without changing a daily score.

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Source, licence and snapshot

The listed source is USDA FoodData Central · SR Legacy (2018) ↗. Snapshot: 2026-10-24. Licence / attribution: CC0 1.0.

We select and transform source records for independently written game rules. The source material remains subject to its original licence. If a value looks wrong, send the topic, record, expected value and source through the contact form; do not send passwords or account credentials.

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