by half vs in half

Both "by half" and "in half" are correct, but they are used in different contexts. "By half" is used to indicate a reduction or decrease of 50%, while "in half" is used to describe something being divided into two equal parts.

Last updated: April 01, 2024 • 222 views

This phrase is correct and commonly used in English to indicate a reduction or decrease of 50%.

"by half"

Use "by half" when you want to express a reduction or decrease of 50%. For example, "The price was reduced by half."

Examples:

She cut the cake by half.
The company's profits decreased by half.
He lost weight by half in just a month.
The number of employees was cut by half.
The temperature dropped by half after sunset.

Show examples from the web [+]

You want PSI cut by half.
The price of a bag goes up by half.
After dark, drag race by half would like Michael Schumacher with strong coastal feature...
Ben and Cynthia Kamin, whose social networking site was devalued by half when Friendczar debuted.
They're cutting their offer by half, Steve.
Add remaining ingredients, reduce by half of the original volume.
Instead of noting an increase in their exports to the European Union, the ACP countries have seen them fall almost by half since the signing of the agreement.
Each polygon is shrunk by half of the width of the pen used to draw it.
Boil slowly for 6-7 hours, until the initial quantity is reduced by half.
However, it can be said that the effects are seen clearly in less by half compared to the other dietary supplements for athletes.
This system reduces by half the required electrical power and the heat on the workpiece, in addition, obviously, to be a more compact solution.
I must have been home by half past.
Electric car sales are down by half.
Let Him delay the cardinal by half an hour...
I'm an international terrorist, wanted by half the countries in Europe.
Yet, they were reduced by half during the 20th century.
They lead the swimmer in third place by half a body length.
In 1999 the international institutions launched a major campaign to reduce poverty by half by 2015.
But you got too clever by half.
But - I want 35 points by half time.

Alternatives:

reduced by 50%
halved
cut in half
decreased by 50%
diminished by half

This phrase is correct and commonly used in English to describe something being divided into two equal parts.

"in half"

Use "in half" when you want to describe something being divided into two equal parts. For example, "She folded the paper in half."

Examples:

He broke the stick in half.
She folded the letter in half.
The magician cut the rope in half.
The cake was sliced in half.
The team split the prize money in half.

Show examples from the web [+]

Fold the WAISTBAND in half lengthways.
Jeppe, look at the ticket and tear it in half.
Another player cut him in half.
But you don't have to break in half to love somebody.
I can make it dissolve in half a second.
Beware, that the fuse goes in half a minute.
He got cut in half by the door.
The first body was normal, except he was broken in half.
Cut one of these in half.
He'd been bitten in half, below the waist.
The madness of a man splitting in half.
This street divides the ghetto just about in half.
This knife cuts this bottle in half.
Look, I'm cutting it in half.
The bridge is smashed in half.
Before, you didn't blow Lem in half with a grenade.
Pull that trigger, I'll blow you in half.
Gus, I kicked a board in half.
And splitting a town in half, that causes confusion.
You cut the table in half with the chain saw.

Alternatives:

divided into two equal parts
cut in two
split in two
bisected
halved

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by half vs in half

"by half"

"in half"

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