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Where a menu's calorie number comes from
Where a menu's calorie number comes from: pages on recipe-database calculation versus laboratory analysis, the standard-portion assumption, cooking oil…
This launch guide maps the topic, the source base and the practical questions. Check the linked official authority before acting on a rule, deadline, price or safety requirement.
What this guide covers
Pages on recipe-database calculation versus laboratory analysis, the standard-portion assumption, cooking oil absorbed but never counted, branch-to-branch variance in what is actually served, what US menu-labeling rules require and what EU law does not, chains versus independents, coffee-shop drinks and syrup pumps, alcohol quietly left out of the total, sides and add-ons, and the published studies that weighed and analysed real restaurant dishes against their stated counts.
A closing set of pages recalculates common dishes from the apex food database so a suspicious number can be sanity-checked in thirty seconds. Thirteen pages.
How to use it
Use Where a menu's calorie number comes from as a structured learning path: begin with the vocabulary, follow the evidence map, and keep the uncertainty labels attached to claims as you compare sources.
The page keeps the main question, its evidence base and its limits together in one canonical place. That makes it useful as a quick orientation and avoids splitting a broad subject into shallow pages before each narrower answer has enough verified material of its own.
Search vocabulary in four languages
Terminology changes across borders. These are example phrases people use for the same subject in Estonian, Finnish, Russian and English; they are included as a practical vocabulary aid, not as hidden keywords.
| Language | Example phrase |
|---|---|
| Estonian | restorani toidu kalorid kui täpsed |
| Finnish | ravintola-annoksen kalorimäärän tarkkuus |
| Russian | насколько точна калорийность в меню |
| English | how accurate are restaurant calorie counts |
Evidence and provenance
The evidence map below records the primary, official or openly licensed material chosen for this guide. It is deliberately visible so a reader can tell the difference between a rule published by an authority, a measured dataset and an editorial explanation.
Source: FDA menu-labeling guidance (US public domain) and the published comparison studies (Urban et al.) cited; recalculations computed from the apex food database. · checked 2026-09-09
Source names are preserved even where an authority changes its web address. No figure is added to this launch page unless it is already present in the cited source description or can be computed from a named dataset.
Scope and boundaries
/restaurant-menus lists what places serve; this explains how much the number printed beside it is worth.
Connected TempoLife guides
The following paths are the intentional hand-offs named in the brief. They keep adjacent subjects separate while making the next useful reference easy to find.
Why it belongs on TempoLife
/restaurant-menus, /calories.
Frequently asked questions
What does this guide cover?
Pages on recipe-database calculation versus laboratory analysis, the standard-portion assumption, cooking oil absorbed but never counted, branch-to-branch variance in what is actually served, what US menu-labeling rules require and what EU law does not, chains versus independents, coffee-shop drinks and syrup pumps, alcohol quietly left out of the total, sides and add-ons, and the published studies that weighed and analysed real restaurant dishes against their stated counts. A closing set of pages recalculates…
What evidence does it use?
FDA menu-labeling guidance (US public domain) and the published comparison studies (Urban et al.) cited; recalculations computed from the apex food database.
Where does this guide stop?
/restaurant-menus lists what places serve; this explains how much the number printed beside it is worth.
Turn the reference into a routine
TempoLife brings food, movement, sleep and everyday health habits into one private place when you want to track what happens next.