load factor: meaning, definition, pronunciation and examples
C1Technical, professional
Quick answer
What does “load factor” mean?
A ratio expressing the actual capacity or demand of a system compared to its maximum possible capacity.
Audio
Pronunciation
Definition
Meaning and Definition
A ratio expressing the actual capacity or demand of a system compared to its maximum possible capacity.
A measure of efficiency or utilisation, indicating how fully a resource (like an aircraft, power station, or computer server) is being used relative to its designed potential.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or definitional differences. Spelling conventions follow 'centre' (BrE) vs. 'center' (AmE) in related documents.
Connotations
Neutral and technical in both varieties.
Frequency
Equally common in relevant engineering, aviation, and computing contexts in both regions.
Grammar
How to Use “load factor” in a Sentence
The load factor of [SYSTEM] is [NUMBER/ADJECTIVE]A [ADJECTIVE] load factor indicates [RESULT]Vocabulary
Collocations
Examples
Examples of “load factor” in a Sentence
verb
British English
- The system is load-factored to ensure optimal throughput.
- We need to load-factor the new server array.
American English
- They load-factored the grid to predict summer demand.
- The algorithm load-factors the database dynamically.
adjective
British English
- The load-factor analysis revealed inefficiencies.
- We reviewed the load-factor data.
American English
- The load-factor report is due Friday.
- Adjust the load-factor settings.
Usage
Meaning in Context
Business
Used in airline and hospitality revenue management to discuss profitability (e.g., 'Hotel load factors are up this quarter').
Academic
Found in engineering, economics, and computer science papers analysing system performance and resource allocation.
Everyday
Rare in casual conversation, but a traveller might hear 'The flight had a 90% load factor.'
Technical
Precise, formula-based usage: in aviation (revenue passenger miles ÷ available seat miles), in electrical engineering (average load ÷ peak load), in computing (hash table entries ÷ slots).
Vocabulary
Synonyms of “load factor”
Strong
Neutral
Weak
Vocabulary
Antonyms of “load factor”
Watch out
Common Mistakes When Using “load factor”
- Using 'load factor' as a synonym for 'workload' or 'burden'.
- Incorrect pluralisation: 'load factors' is correct when referring to multiple measurements.
- Mispronouncing 'load' as 'lord' /lɔːd/.
FAQ
Frequently Asked Questions
It is a compound noun, written as two separate words.
Yes, in some engineering contexts (like structural safety factors), it can exceed 1. In aviation or utilities, it's typically expressed as a percentage not exceeding 100%.
They are often synonymous, especially in energy. 'Capacity factor' is more common for power plants, while 'load factor' is broader, also used in transport and computing.
Yes, when referring to multiple measurements or different types (e.g., 'The load factors for our regional hubs vary significantly').
A ratio expressing the actual capacity or demand of a system compared to its maximum possible capacity.
Load factor is usually technical, professional in register.
Load factor: in British English it is pronounced /ˈləʊd ˌfæk.tər/, and in American English it is pronounced /ˈloʊd ˌfæk.tɚ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “To fly with a high load factor (aviation-specific idiom)”
Learning
Memory Aids
Mnemonic
Think of a LOADed truck: the FACTOR tells you how full it is compared to its maximum LOAD.
Conceptual Metaphor
CAPACITY IS A CONTAINER (How full is the container?).
Practice
Quiz
In which context is 'load factor' LEAST likely to be used?