Talking About Numbers in English: A Guide for International Teams

Numbers should be the easy part of speaking English. They are universal, right? Not quite. The way English handles decimals, large numbers, percentages, and approximations trips up even advanced speakers. And when you are presenting data to international stakeholders, getting numbers wrong can undermine your credibility.

Here is a practical guide to talking about numbers in English in a business context.

The basics that catch people out

Decimals and commas

English uses a point for decimals and a comma for thousands. This is the opposite of many European languages.

• English: 1,250.75 (one thousand two hundred and fifty point seven five)
• Spanish/French/German: 1.250,75

Getting this wrong in a presentation can confuse your audience. Always double-check when switching between languages.

Large numbers

• Thousand: 1,000
• Million: 1,000,000 (note: “a million” or “one million,” not “a thousand thousand”)
• Billion: 1,000,000,000 (in English, a billion is a thousand million, not a million million as in some European conventions)

When presenting, say “two point five million” rather than “two million five hundred thousand.” It is clearer and faster.

Years

• 2025: “twenty twenty-five” or “two thousand and twenty-five”
• 1999: “nineteen ninety-nine”
• 2000: “two thousand” (not “twenty hundred”)

Presenting data in meetings

Introducing figures

• “If we look at the numbers for Q3…”
• “The data shows a clear trend.”
• “Let me walk you through the key figures.”

Describing trends

• Going up: increase, rise, grow, climb, surge, jump
• Going down: decrease, fall, drop, decline, dip, plummet
• Staying the same: remain stable, hold steady, level off, plateau
• Fluctuating: fluctuate, vary, be volatile

Adding precision

• “Revenue increased by 15%.” (the amount of change)
• “Revenue increased to 3.2 million.” (the new level)
• “Revenue increased from 2.8 million to 3.2 million.” (both points)

These prepositions matter. Mixing up “by” and “to” changes the meaning entirely.

Approximations and hedging

In business, you often need to be deliberately vague about numbers:

• “Roughly 200 clients” / “Approximately 200 clients”
• “Around 15% growth”
• “Just under a million” / “Just over a million”
• “In the region of 500,000 euros”
• “A significant increase” / “A modest improvement”

Hedging is not weakness. It is precision about uncertainty.

Percentages and fractions

• 50%: “fifty percent” or “half”
• 33%: “thirty-three percent” or “about a third”
• 25%: “twenty-five percent” or “a quarter”
• 10%: “ten percent” or “one in ten”
• 0.5%: “zero point five percent” or “half a percent”

In presentations, mixing percentages with fractions makes your language more natural: “About a third of respondents, or 34%, said they preferred…”

Comparing numbers

• “Sales are twice as high as last year.”
• “Costs are three times higher than projected.”
• “We are spending half as much on marketing.”
• “This quarter outperformed the previous one by 12%.”
• “The gap between revenue and costs has narrowed / widened.”

Common mistakes

”The 80% of companies…”

Drop the article. Say “80% of companies” not “the 80% of companies."

"It increased the double”

Say “it doubled” or “it increased twofold."

"The sales were of 2 million”

Say “Sales were 2 million” or “Sales reached 2 million.” No “of” needed.

Pronouncing “three” and “tree”

The “th” sound trips up many European speakers. Practise putting your tongue between your teeth. Your audience needs to distinguish “three million” from “free million.”

Practical exercises

Try these to build confidence:

1. Read financial news in English. Pay attention to how journalists describe numbers and trends. The Financial Times and Bloomberg are excellent sources.
2. Practise narrating charts. Take a graph from your work and describe it out loud in English. Record yourself and listen back.
3. Present your team’s figures in English. Even if your colleagues speak your language, practising a data presentation in English builds the muscle memory you need.

Key takeaways

• Check your decimal and comma conventions before presenting
• Learn the prepositions that go with numbers: by, to, from
• Mix percentages with fractions for more natural delivery
• Practise with real data from your own work context
• Approximation and hedging are valuable skills, not signs of uncertainty

Numbers tell the story. Make sure you are telling it clearly.