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Instalment vs. Installment: What's the Difference?

Edited by Huma Saeed || By Sawaira Riaz || Updated on October 12, 2023
"Instalment" and "Installment" mean the same – a part of a larger amount paid in intervals – but the former is British English, and the latter is American English.

Key Differences

Instalment is the preferred spelling in British English, representing one of several parts into which a debt or payment is divided. Installment, on the other hand, is the American English version of the same term, conveying an identical meaning.
Sawaira Riaz
Oct 12, 2023
While Instalment is more commonly seen in UK publications, documents, and agreements, Installment dominates in US texts, including legal documents, novels, and newspapers.
Sawaira Riaz
Oct 12, 2023
The divergence in spelling – Instalment with a single 'l' and Installment with double 'l' – is one of many instances where British and American English have evolved distinct conventions.
Sawaira Riaz
Oct 12, 2023
Regardless of the spelling, whether Instalment or Installment, the context remains the same: breaking down a sum of money owed or the release of something in parts over time.
Janet White
Oct 12, 2023
It's crucial for writers, especially those drafting international contracts or documents, to be aware of the distinction between Instalment and Installment to ensure clarity and avoid potential misunderstandings.
Harlon Moss
Oct 12, 2023
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Comparison Chart

Definition

One of several parts into which a debt or payment is divided.
One of several parts into which a debt or payment is divided.
Sawaira Riaz
Oct 12, 2023

Origin of Spelling

British English
American English
Sawaira Riaz
Oct 12, 2023

Usage in Sentence

"The first instalment is due next week."
"The first installment will be automatically deducted from your account."
Sawaira Riaz
Oct 12, 2023

Number of 'L's

One 'l'
Two 'l's
Sara Rehman
Oct 12, 2023

Commonly Found In

UK publications, contracts, and documents.
US texts, including legal documents, novels, and newspapers.
Harlon Moss
Oct 12, 2023
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Instalment and Installment Definitions

Instalment

A method of spreading out payments over time.
They bought the furniture on instalment.
Aimie Carlson
Oct 12, 2023

Installment

A system that enables payment for goods in parts over a period.
They purchased their new TV on installment.
Aimie Carlson
Oct 12, 2023

Instalment

One of several components of something.
She paid the first instalment of her tuition today.
Harlon Moss
Oct 12, 2023

Installment

An episode or part of a continuing series.
The next installment of the TV series airs tonight.
Janet White
Oct 12, 2023

Instalment

A division of a total amount.
The insurance premium can be paid in monthly instalments.
Sara Rehman
Oct 12, 2023

Installment

A specific part of a broader amount that's paid at intervals.
The car will be paid for in 12 monthly installments.
Janet White
Oct 12, 2023

Instalment

Part of a series or sequence.
The novel's next instalment will be released next year.
Harlon Moss
Oct 12, 2023

Installment

One of the many segments of a total debt or purchase.
The installment plan made the purchase more manageable.
Harlon Moss
Oct 12, 2023

Instalment

A portion of a larger sum, to be paid at intervals.
The second instalment of the loan is due in December.
Sawaira Riaz
Oct 12, 2023

Installment

One of a number of successive payments in settlement of a debt.
Sawaira Riaz
Sep 25, 2022

Instalment

One of a number of successive payments in settlement of a debt.
Sawaira Riaz
Sep 25, 2022

Installment

A portion of something, such as a publication, issued at intervals.
Sawaira Riaz
Sep 25, 2022

Instalment

A portion of something, such as a publication, issued at intervals.
Sawaira Riaz
Sep 25, 2022

Installment

A chapter or part of a literary work presented serially.
Sawaira Riaz
Sep 25, 2022

Instalment

A chapter or part of a literary work presented serially.
Sawaira Riaz
Sep 25, 2022

Installment

See installation.
Sawaira Riaz
Sep 25, 2022

Instalment

See installation.
Sawaira Riaz
Sep 25, 2022

Installment

One of a series of parts, whether equal or unequal to the other parts of the series, of a given entity or a given process, which part presents or is presented at a particular scheduled interval.
Sawaira Riaz
Sep 25, 2022

Instalment

Alternative spelling of installment
Sawaira Riaz
Sep 25, 2022

Installment

One member of a series of portions of a debt or sum of money, which portions may or may not be equated (depending in part on whether the interest rate is fixed or variable), payment of which portions are serially exacted at regularly scheduled intervals toward satisfaction of the total. Payments of installments are generally mensual, quarterly, triannual, biannual, or annual.
Sawaira Riaz
Sep 25, 2022

Instalment

A part of a broadcast serial
Sawaira Riaz
Sep 25, 2022

Installment

A part of a published or broadcast serial.
Sawaira Riaz
Sep 25, 2022

Instalment

A part of a published serial
Sawaira Riaz
Sep 25, 2022

Installment

The act of installing; installation.
Sawaira Riaz
Sep 25, 2022

Instalment

The act of installing something (as equipment);
The telephone installation took only a few minutes
Sawaira Riaz
Sep 25, 2022

Installment

(obsolete) The seat in which one is placed.
Sawaira Riaz
Sep 25, 2022

Installment

The act of installing; installation.
Take oaths from all kings and magistrates at their installment, to do impartial justice by law.
Sawaira Riaz
Sep 25, 2022

Installment

The seat in which one is placed.
The several chairs of order, look, you scour; . . . Each fair installment, coat, and several crestWith loyal blazon, evermore be blest.
Sawaira Riaz
Sep 25, 2022

Installment

A portion of a debt, or sum of money, which is divided into portions that are made payable at different times; that portion of a debt payed back in any one payment; as, the next installment is due January first. Payment by installment is payment by parts at different times, the amounts and times being often definitely stipulated.
Sawaira Riaz
Sep 25, 2022

Installment

A part of a broadcast serial.
Sawaira Riaz
Sep 25, 2022

Installment

A part of a published serial.
Sawaira Riaz
Sep 25, 2022

Installment

A payment of part of a debt; usually paid at regular intervals
Sawaira Riaz
Sep 25, 2022

Installment

A part of a broadcast serial
Sawaira Riaz
Sep 25, 2022

Installment

A part of a published serial
Sawaira Riaz
Sep 25, 2022

Installment

The act of installing something (as equipment);
The telephone installation took only a few minutes
Sawaira Riaz
Sep 25, 2022

Installment

A division of a total sum payable.
He just paid the final installment for his vacation package.
Sawaira Riaz
Oct 12, 2023

FAQs

Are "instalment" and "installment" the same thing?

Yes, they mean the same but differ in regional spelling – "instalment" for British English and "installment" for American English.
Sawaira Riaz
Oct 12, 2023

In international contracts, which spelling should I use: "instalment" or "installment"?

Consider your audience. If it's primarily American, use "installment"; if British, use "instalment". If unsure, specify the preference at the document's beginning.
Sawaira Riaz
Oct 12, 2023

Can a text have both spellings?

It's best to remain consistent within a single text, so choose one spelling and stick with it.
Harlon Moss
Oct 12, 2023

Can I use "installment" when writing for a British audience?

While understood, "instalment" is preferred for British audiences.
Sawaira Riaz
Oct 12, 2023

In global organizations, which spelling is more prevalent?

It depends on the organization's origins and primary audience. Some may use "installment" due to the global influence of American English.
Sara Rehman
Oct 12, 2023

Are there other words with similar UK-US spelling differences?

Yes, like "favour" (UK) vs. "favor" (US) or "colour" (UK) vs. "color" (US).
Sawaira Riaz
Oct 12, 2023

Do dictionaries list both "instalment" and "installment"?

Yes, most comprehensive dictionaries list both, indicating regional preferences.
Janet White
Oct 12, 2023

How did the difference between "instalment" and "installment" arise?

Language evolution and regional preferences have led to spelling variations between British and American English.
Sawaira Riaz
Oct 12, 2023

Is one spelling older than the other?

Both have historical roots, but regional preferences have made one more dominant in certain areas.
Aimie Carlson
Oct 12, 2023

Are there other differences between British and American English I should be aware of?

Yes, besides spelling, there are differences in pronunciation
Sawaira Riaz
Oct 12, 2023
About Author
Written by
Sawaira Riaz
Sawaira is a dedicated content editor at difference.wiki, where she meticulously refines articles to ensure clarity and accuracy. With a keen eye for detail, she upholds the site's commitment to delivering insightful and precise content.
Edited by
Huma Saeed
Huma is a renowned researcher acclaimed for her innovative work in Difference Wiki. Her dedication has led to key breakthroughs, establishing her prominence in academia. Her contributions continually inspire and guide her field.

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