am·​per·​age | \ ˈam-p(ə-)rij How to pronounce amperage (audio) , -ˌpir-ij \
plural amperages

Definition of amperage

1 : the strength of a current of electricity expressed in amperes
2 : level of excitement or energy The famed animator … ups the amperage by kicking the visuals into the unpredictable world of the teenage subconscious.Entertainment Weekly If his prospects appeared to be dim, his intellectual life took on a new amperage. He seized his London days with manic energy.— John Lahr

Examples of amperage in a Sentence

Recent Examples on the Web The standard-range pack still takes 10 hours to charge, even with the uprated amperage of the charger. Jonathan M. Gitlin, Ars Technica, 12 May 2022 This is similar to how electric fences work, delivering very short pulses of high-voltage electricity, but with very low amperage. Timothy J. Jorgensen, The Conversation, 9 May 2022 The amperage needed to kill a person is surprisingly small. The New Yorker, 29 Nov. 2021 The actual amperage is determined by the load (i.e., the iPad or iPhone). Alexander George, Popular Mechanics, 16 Dec. 2020 But the amperage rating is only a measure of the charger’s maximum capability. Alexander George, Popular Mechanics, 16 Dec. 2020 To calculate watts, multiply voltage (usually 120 volts) by the amps (amperage) required to run the appliance (usually found on a tag attached to the appliance). Bradley Ford, Popular Mechanics, 9 Dec. 2020 Yes, the Craftsman’s motor is a bit smaller than the Skil in terms of its amperage, but the cutting performance between the two tools is negligible. Roy Berendsohn, Popular Mechanics, 7 Dec. 2020 The main reason for this is an amperage limit: My inverter can handle only 23 amps of draw. Christopher Null, Wired, 12 Nov. 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amperage.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of amperage

1886, in the meaning defined at sense 1

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The first known use of amperage was in 1886

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Last Updated

23 May 2022

Cite this Entry

“Amperage.” Dictionary, Merriam-Webster, Accessed 24 May. 2022.

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More Definitions for amperage


am·​per·​age | \ ˈam-p(ə-)rij How to pronounce amperage (audio) , -ˌpi(ə)r-ij How to pronounce amperage (audio) \

Medical Definition of amperage

: the strength of a current of electricity expressed in amperes


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