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Excel INT Function

Chala mitrano — today INT. Keep the whole number toward −∞ — 3.9 becomes 3; −3.1 becomes −4.

Fictional sample data for learning. Full-bag counts in Jalgaon mills and Milwaukee stores. Mixed ₹ and $.

Purpose

Round a number down to the nearest integer (toward −∞).

Return value

An integer.

Syntax

INT(number)

Arguments

ArgumentRequired?Description
numberRequiredThe value to convert to an integer by flooring.

Version

All Excel versions. LibreOffice Calc too.

How to use — Why → What → How

Why: Stock counts need whole bags. INT floors positives and goes more negative on negatives. Full-bag counts in Jalgaon mills and Milwaukee stores. Mixed ₹ and $. In Indian back offices and foreign sister teams, INT shows up on totals, rates and pack sheets every week.

What: INT returns the greatest integer less than or equal to the number (floor toward −∞). Read every argument in the table once before you type; each one changes the answer on purpose.

How — numbered steps:

  1. Type =INT(B2).
  2. Test a negative once — INT and TRUNC disagree there.
  3. Prefer TRUNC when you mean drop decimals toward zero.

Ravindra Bagale's Tip

Friends, after INT, find one column or range in a real workbook this week where this lesson saves time.

Ravindra Bagale's Tip

Friends, sleep on INT; rebuild example 1 tomorrow without looking.

Ravindra Bagale's Tip

Friends, say the business question in plain words before =INT.

Ravindra Bagale's Tip

Friends, check a known case with a calculator before you trust a long INT chain.

Ravindra Bagale's Tip

Friends, after you finish INT, open yesterday’s real workbook and find one place this function would have saved ten minutes.

Ravindra Bagale's Tip

Friends, treat INT like a seatbelt on number columns — check a known case first.

Download practice file: practice-int.xlsx (includes sheet About this data, practice sheets, and Answers).

Worked examples

1) Positive

Jalgaon bags.

Need
3.9
Formula: =INT(A2)

Result: 3

What it means: Floor to 3.

2) Negative

Key difference.

n
-3.1
Formula: =INT(A2)

Result: -4

What it means: Toward −∞ → −4 (TRUNC would be −3).

3) Milwaukee $

Whole dollars.

$
12.75
Formula: =INT(A2)

Result: 12

What it means: $12.

4) Exact int

Already whole.

n
5
Formula: =INT(A2)

Result: 5

What it means: Unchanged.

5) Tiny fraction

0.99 → 0

n
0.99
Formula: =INT(A2)

Result: 0

What it means: Still floors.

6) vs TRUNC

Same on positives.

n
7.2
Formula: =INT(A2)

Result: 7

What it means: Same as TRUNC for positives; differ on negatives.

About this data. Small demo rows for learning. Real sheets are longer; the same formula pattern scales when columns are clean.

Common errors and fixes

#VALUE! — Non-numeric. Fix: Clean input.
Surprise on negatives — Expected toward zero. Fix: Use TRUNC for toward zero.
Confused with ROUND — ROUND uses nearest. Fix: INT always floors.

Notes and tips

  • Revisit the INT errors table after the quiz.
  • Build example 1 from memory on a blank sheet.
  • Check number vs text if a result looks wrong.
  • Teach one tip in Marathi or Hindi this week.
  • Keep currency symbols consistent inside one report column (practice mixes ₹ $ £ €).
  • Drill: show INT vs TRUNC on −3.1 from memory — interview favourite.
  • INT vs TRUNC: floor toward −∞ versus drop decimals toward zero.
  • Fictional sample data only — names and amounts are for learning.
  • Print the INT revision card for one week of real worksheets.
  • Ask juniors to predict before they press Enter.
  • Track your top mistake with this function monthly.
  • Full-bag counts in Jalgaon mills and Milwaukee stores. Mixed ₹ and $.
  • Interview tip: explain the business question before the formula.
  • Classroom drill: invent three brand-new formulas from your city without the page open.
  • If a result looks wrong, check blanks vs zeros before rewriting.
  • When Excel versions differ, note the LibreOffice / Sheets fallback in a cell comment.
  • Prefer clear ranges over whole-column refs on huge sheets if speed matters.
  • Document units (₹, kg, days) in the header so totals stay honest.
  • Print the revision card for INT for one week of real worksheets.
  • When helping a junior, ask them to predict before Enter.
  • Share one tip with a classmate in Marathi or Hindi.
  • Keep currency symbols consistent inside a single report column.
  • Interview tip: explain the business question before the formula.
  • If a result looks wrong, check blanks vs zeros before rewriting maths.
  • When Excel versions differ, write a LibreOffice fallback under a comment.

In real work

Drill: show INT vs TRUNC on −3.1 from memory — interview favourite. Full-bag counts in Jalgaon mills and Milwaukee stores. Mixed ₹ and $. Classroom drill: write three brand-new INT formulas on a blank sheet using names from your own city — if you can invent them without the page open, you own the skill. Then break one formula on purpose and watch the error; recovering from that break is half of interview readiness. Always verify with a known case before trusting a long chain. Keep a personal notebook of the one mistake you make most often with this function; review it monthly.

How it compares

INT vs TRUNC: floor toward −∞ versus drop decimals toward zero.

Interview corner

INT vs TRUNC?
Floor vs toward zero.
INT(-3.1)?
-4.
Positives?
Same as TRUNC.

TRUNC, ROUNDDOWN, ROUND

Practice tasks (10)

  1. Task 1. INT on 3.9.
    Floor.
  2. Task 2. INT on -3.1.
    Neg.
  3. Task 3. Compare TRUNC.
    Interview.
  4. Task 4. Whole $ demo.
    $
  5. Task 5. Fill column.
    Fill.
  6. Task 6. Doc policy.
    Note.
  7. Task 7. Teach.
    Teach.
  8. Task 8. Exact int.
    5.
  9. Task 9. 0.99 case.
    0.
  10. Task 10. Bonus ROUNDDOWN.
    Related.

Quick quiz

Q1. INT(3.9)?
Q2. INT(-3.1)?
Q3. Toward zero on negatives?
Q4. INT(5)?
Q5. vs ROUND?

Answers: Q1=3, Q2=-4, Q3=TRUNC, Q4=5, Q5=Floor vs nearest (check after you try).

Revision card

Standalone card (no tip or photo strip). QR opens this lesson. Download the PNG and revise offline.

Revision card: INT
INT revision card