ratio
noun
ra·tio
ˈrā-shē-ˌō 
-(ˌ)shō
plural ratios
1
a
: the indicated quotient of two mathematical expressions
b
: the relationship in quantity, amount, or size between two or more things : proportion
2
: the expression of the relative values of gold and silver as determined by a country's currency laws
Examples of ratio in a Sentence
What is the length-to-width ratio?
the ratio of students to teachers in the school is nine to one
Recent Examples on the Web
Keeping on the right side of the say/do ratio will help ensure your team ends up with more victories than defeats.
—
Amy Cappellanti-Wolf, Forbes.com, 22 May 2025
That ratio probably will change this year, considering Floyd, Walker, Pearce Jr. and fellow edge rushers Arnold Ebiketie and Bralen Trice seem like locks to make the roster.
—Josh Kendall, New York Times, 22 May 2025
The price-to-earnings ratio for the S&P 500, based on earnings estimates for the next 12 months, was at 21.7 as of Monday, well above its long-term average of 15.8, according to LSEG Datastream.
—Davide Barbuscia, USA Today, 22 May 2025
Berkeley has the lowest rent-to-price ratio of the 300 cities, meaning its more cost-effective to rent there, than to buy a home.
—Anne Marie D. Lee, CBS News, 21 May 2025
See All Example Sentences for ratio
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Amy Cappellanti-Wolf, Forbes.com, 22 May 2025
That ratio probably will change this year, considering Floyd, Walker, Pearce Jr. and fellow edge rushers Arnold Ebiketie and Bralen Trice seem like locks to make the roster.
—Josh Kendall, New York Times, 22 May 2025
The price-to-earnings ratio for the S&P 500, based on earnings estimates for the next 12 months, was at 21.7 as of Monday, well above its long-term average of 15.8, according to LSEG Datastream.
—Davide Barbuscia, USA Today, 22 May 2025
Berkeley has the lowest rent-to-price ratio of the 300 cities, meaning its more cost-effective to rent there, than to buy a home.
—Anne Marie D. Lee, CBS News, 21 May 2025
See All Example Sentences for ratio
Cite this Entry
“Ratio.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ratio. Accessed 29 May. 2025.
Copy CitationKids Definition
ratio
noun
ra·tio
ˈrā-shō
-shē-ˌō
plural ratios
1
: the quotient of two numbers or mathematical expressions
the ratio of 6 to 3 may be expressed as 6:3, ⁶⁄₃, and 2
2
: the relationship in quantity, amount, or size between two or more things
women outnumbered men in the ratio of three to one
Medical Definition
ratio
noun
ra·tio
ˈrā-(ˌ)shō, -shē-ˌō
plural ratios
: the relationship in quantity, amount, or size between two or more things see sex ratio
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