Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
key costs
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "key costs" is correct and usable in written English.
It can be used when discussing important or significant expenses in a financial context or analysis. Example: "In our budget review, we need to identify the key costs that impact our overall profitability."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
18 human-written examples
That is considerably lower than private-sector ones, and as David Cameron, the Tory leader, pointed out in the budget debate, lower than the rate at which the key costs for middle-income households are rising.
News & Media
The physical key costs $19.99 while a dual-key BFF pack costs $29.99.
News & Media
A 1TB desktop versions cost $129 while the plus – including the little USB key – costs $20 more.
News & Media
In this paper, we provide a framework for assessing the net value of the benefits provided by ecosystem services (i.e., the benefit that remains after subtracting key costs), taking the Beijing Plains afforestation project as an example.
Science
Some of the key costs have gone up and they haven't been matched by earnings".
News & Media
PwC, for example, has built a significant practice advising on strategy when stable access to natural resources become key costs of doing business.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
The most obvious is that interest rates are low, meaning a key cost, borrowed money, can be obtained cheaply.
News & Media
Raw material and capital charge were key cost factors.
Science
Costs are allocated to cases according to the key cost drivers for cost modules shown in the cost-matrix.
Science
Keep in mind that volume is the key cost factor in this industry.
News & Media
Key cost streams in its construction were excavation, bush clearing, fencing, and labour (Table 4).
Expert writing Tips
Best practice
When analyzing financial statements, clearly identify and categorize the "key costs" to provide a focused and actionable overview of the most impactful expenses. This will help stakeholders to prioritize and direct their attention to the most important elements.
Common error
Avoid listing all expenses as "key costs". Reserve this term for the expenses that have the most significant impact on profitability or project success. Listing every small cost will dilute the focus and make it harder to identify true priorities.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "key costs" functions as a noun phrase that identifies and labels the most important or significant expenses within a particular context. Ludwig AI confirms its usability in English.
Frequent in
Science
44%
News & Media
32%
Formal & Business
6%
Less common in
Wiki
0%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "key costs" is a grammatically sound and usable noun phrase that refers to the most important expenses in a specific context. As Ludwig AI confirms, it's deemed correct. It's commonly used in science, news, and business settings. To improve your writing, ensure you use "key costs" only for those expenses that significantly impact your overall outcome, avoiding the dilution of focus by including minor expenses. Some related phrases include "major expenses" and "significant costs". By doing so, you will ensure that your message stays focused and relevant.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
significant costs
This alternative uses "significant" to emphasize the importance of the costs.
crucial expenses
This alternative replaces "key" with "crucial", indicating a critical nature.
major expenses
This alternative uses simpler terms, focusing on the significance of the costs.
essential expenditures
This alternative emphasizes the necessity of these costs.
primary expenditures
This alternative replaces "costs" with "expenditures" and "key" with "primary", maintaining a formal tone.
leading expenses
This alternative highlights the prominent nature of the expenses.
vital costs
This option underscores the indispensability of the costs.
principal outlays
This alternative is more formal, using "outlays" instead of "costs".
main cost drivers
This alternative focuses on the factors that significantly influence costs.
critical cost elements
This option highlights the elemental importance of the costs.
FAQs
How can I use "key costs" in a sentence?
You can use "key costs" to refer to the most important or significant expenses in a particular context. For example: "The analysis identified labor and materials as the "key costs" affecting our profit margins."
What are some alternatives to saying "key costs"?
You can use alternatives like "major expenses", "principal outlays", or "significant costs" depending on the context.
What's the difference between "key costs" and "operating costs"?
"Key costs" refers to the most important or influential expenses, while "operating costs" refers to the expenses associated with day-to-day business operations. "Key costs" might include operating costs, but focuses on those with the biggest impact.
How do you identify the "key costs" in a project budget?
To identify "key costs", analyze the budget to determine which expenses have the greatest impact on the total cost and project profitability. These are often related to labor, materials, or equipment.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested