Metric Measurement Units

📏 Measurement System

Master the fundamental concepts of measurement

📏

Length

Distance & measurement

⚖️

Mass

Weight & heaviness

⏰

Time

Duration & intervals

📅

Calendar

Dates & scheduling

🥤

Capacity

Volume & liquids

🧠

Quiz

Test your knowledge

Master Measurement Concepts

Explore interactive tools and real-world examples to understand length, mass, time, calendar, and capacity measurements

📏 Length - Distance & Measurement

What is Length?

Length is the measurement of how long, wide, or tall something is. It's the distance between two points.

Common Units of Length:

Millimeter (mm)

Very small measurements

Thickness of a coin

Centimeter (cm)

Small measurements

Width of your finger

Meter (m)

Medium measurements

Height of a door

Kilometer (km)

Large measurements

Distance between cities

Conversion Chart:

1 kilometer = 1,000 meters

1 meter = 100 centimeters

1 centimeter = 10 millimeters

Interactive Length Converter:

Millimeter (mm) Centimeter (cm) Meter (m) Kilometer (km) to Millimeter (mm) Centimeter (cm) Meter (m) Kilometer (km)

Real-World Examples:

Around the House

• Door height: ~2 meters

• Dining table: ~150 cm

• Textbook thickness: ~20 mm

Sports & Recreation

• Cricket pitch: 22 yards (20.12 m)

• Badminton court: 13.4 meters

• Hockey field: 91.4 meters

Travel & Geography

• Delhi to Mumbai: ~1,400 km

• School compound: ~200 meters

• Village to town: 10-20 km

Interactive Activities:

Length Estimation Game:

Estimate: How tall is a typical door in meters?

meters

Estimate: How long is a cricket pitch in meters?

meters

Practice Problems:

Problem 1: Convert 2.5 kilometers to meters.

meters

Problem 2: How many centimeters are in 1.5 meters?

centimeters

Problem 3: A textbook is 25 cm long. How many millimeters is this?

millimeters

Related Images:

Measuring Tools

Size Comparisons

Real World Examples

⚖️ Mass - Weight & Heaviness

What is Mass?

Mass is the amount of matter in an object. It tells us how heavy something is.

Common Units of Mass:

Milligram (mg)

Very light objects

A grain of salt

Gram (g)

Light objects

A paperclip

Kilogram (kg)

Heavy objects

A bag of sugar

Tonne (t)

Very heavy objects

A car

Conversion Chart:

1 tonne = 1,000 kilograms

1 kilogram = 1,000 grams

1 gram = 1,000 milligrams

Interactive Mass Converter:

Milligram (mg) Gram (g) Kilogram (kg) Tonne (t) to Milligram (mg) Gram (g) Kilogram (kg) Tonne (t)

Real-World Examples:

Food & Kitchen

• Mango: ~200 grams

• Bag of rice: 5 kg

• Teaspoon of turmeric: 3 g

Animals & People

• Indian cow: 300-400 kg

• Adult person: 50-70 kg

• Asian elephant: 3-5 tonnes

Objects & Vehicles

• Mobile phone: 180 g

• Hero bicycle: 18 kg

• Maruti car: 800 kg

Interactive Activities:

Mass Comparison Game:

Compare: Which is heavier - 5 mangoes (200g each) or 1 bag of rice (1kg)?

Estimate: How much does a mobile phone weigh in grams?

grams

Practice Problems:

Problem 1: Convert 3.2 kilograms to grams.

grams

Problem 2: How many kilograms are in 2,500 grams?

kilograms

Problem 3: An elephant weighs 4 tonnes. How many kilograms is this?

kilograms

Related Images:

Weighing Scales

Weight Comparisons

Everyday Objects

⏰ Time - Duration & Intervals

What is Time?

Time is the measurement of duration - how long something takes or when something happens.

Common Units of Time:

Second (s)

Very short durations

Blink of an eye

Minute (min)

Short durations

Brush your teeth

Hour (h)

Medium durations

Watch a movie

Day

Long durations

Sleep and wake cycle

Conversion Chart:

1 minute = 60 seconds

1 hour = 60 minutes = 3,600 seconds

1 day = 24 hours = 1,440 minutes

Interactive Time Converter:

Second (s) Minute (min) Hour (h) Day to Second (s) Minute (min) Hour (h) Day

Real-World Examples:

Daily Activities

• Morning prayers: 15 minutes

• Cooking dal-rice: 45 minutes

• Night sleep: 7-8 hours

School & Work

• Class period: 40 minutes

• School day: 6 hours

• Tuition classes: 2 hours

Entertainment

• Bollywood song: 4-5 minutes

• Cricket match: 3-8 hours

• Hindi movie: 2.5-3 hours

Interactive Activities:

Time Estimation Challenge:

Estimate: How long does it take to cook dal-rice?

minutes

Estimate: How long is a typical Bollywood movie?

hours

Time Calculator:

Calculate: If school starts at 8:00 AM and each period is 40 minutes with 5 breaks of 10 minutes each, what time does the 6th period end?

Practice Problems:

Problem 1: Convert 2.5 hours to minutes.

minutes

Problem 2: How many seconds are in 5 minutes?

seconds

Problem 3: A cricket match lasts 8 hours. How many minutes is this?

minutes

Related Images:

Clocks & Timers

Daily Activities

Time Management

📅 Calendar - Dates & Scheduling

What is a Calendar?

A calendar is a system for organizing days, weeks, months, and years. It helps us schedule events and track time.

Calendar Units:

Day

24 hours

Monday, Tuesday, etc.

Week

7 days

Sunday to Saturday

Month

28-31 days

January, February, etc.

Year

365 or 366 days

12 months

Calendar Facts:

1 week = 7 days

1 month = 28-31 days (average 30.4 days)

1 year = 12 months = 52 weeks = 365 days

Leap year = 366 days (every 4 years)

Months of the Year:

First Quarter

January (31 days)

February (28/29 days)

March (31 days)

Second Quarter

April (30 days)

May (31 days)

June (30 days)

Third Quarter

July (31 days)

August (31 days)

September (30 days)

Fourth Quarter

October (31 days)

November (30 days)

December (31 days)

Days of the Week:

Weekdays: Monday, Tuesday, Wednesday, Thursday, Friday

Weekend: Saturday, Sunday

Real-World Examples:

Indian School Calendar

• Academic year: April-March

• Summer vacation: May-June

• School week: 6 days (Mon-Sat)

Indian Festivals

• Diwali: October/November

• Holi: March (Phalgun)

• Dussehra: September/October

Indian Seasons

• Summer: March-June

• Monsoon: June-September

• Winter: October-February

Interactive Activities:

Festival Date Calculator:

Calculate: If Diwali is on November 12th this year, what day of the week will it be next year (November 12th)?

Select day Monday Tuesday Wednesday Thursday Friday Saturday Sunday

School Calendar Planner:

Plan: If summer vacation starts on May 1st and lasts 8 weeks, when does school reopen?

Practice Problems:

Problem 1: How many days are in 3 weeks?

days

Problem 2: How many months are in 2 years?

months

Problem 3: If today is Wednesday, what day will it be after 10 days?

Select day Monday Tuesday Wednesday Thursday Friday Saturday Sunday

Related Images:

Calendar Types

Seasons & Months

Event Planning

🥤 Capacity - Volume & Liquids

What is Capacity?

Capacity is the amount of liquid or substance that a container can hold. It measures volume.

Common Units of Capacity:

Milliliter (mL)

Small amounts

A teaspoon of medicine

Liter (L)

Medium amounts

A bottle of water

Kiloliter (kL)

Large amounts

A swimming pool

Conversion Chart:

1 kiloliter = 1,000 liters

1 liter = 1,000 milliliters

1 milliliter = 1 cubic centimeter (cm³)

Interactive Capacity Converter:

Milliliter (mL) Liter (L) Kiloliter (kL) to Milliliter (mL) Liter (L) Kiloliter (kL)

Real-World Examples:

Kitchen & Cooking

• Chai cup: 150 mL

• Steel glass: 200 mL

• Milk packet: 500 mL

Beverages

• Lassi glass: 250 mL

• Water bottle: 1 L

• Coconut water: 200 mL

Large Containers

• Water tank: 1,000 L

• Petrol tank: 40 L

• Village well: 10 kL

Helpful Tips:

Remember: 1 liter is about the size of a large water bottle

Tip: 1 mL of water weighs about 1 gram

Visual: A cube that is 10cm × 10cm × 10cm holds exactly 1 liter

Interactive Activities:

Kitchen Measurement Game:

Recipe Challenge: A recipe needs 250mL milk, 150mL water, and 100mL oil. How much total liquid?

mL

Water Tank Problem: A 1000L tank is 3/4 full. How many liters of water are in it?

L

Beverage Size Comparison:

Compare: Which holds more - 4 chai cups (150mL each) or 2 lassi glasses (250mL each)?

Practice Problems:

Problem 1: Convert 2.5 liters to milliliters.

milliliters

Problem 2: How many liters are in 750 milliliters?

liters

Problem 3: A water bottle holds 500mL. How many bottles fill a 2L jug?

bottles

Related Images:

Measuring Cups

Bottles & Containers

Kitchen Applications

🧠 Knowledge Quiz

Question 1 of 10

What is the basic unit for measuring length?

Centimeter

Meter

Kilometer

Millimeter

Question 2 of 10

How many grams are in 1 kilogram?

10

100

1,000

10,000

Question 3 of 10

How many seconds are in 1 minute?

30

60

100

120

Question 4 of 10

How many days are in a week?

5

6

7

8

Question 5 of 10

How many milliliters are in 1 liter?

10

100

1,000

10,000

Question 6 of 10

A cricket pitch is 22 yards long. How many meters is this approximately?

18 meters

20 meters

25 meters

30 meters

Question 7 of 10

How many minutes are in 2 hours?

60

100

120

200

Question 8 of 10

How many months are in 1 year?

10

11

12

13

Question 9 of 10

What is the approximate mass of an Indian elephant?

500 kg

1-2 tonnes

3-5 tonnes

10 tonnes

Question 10 of 10

How many liters are in 2,500 milliliters?

0.25 L

2.5 L

25 L

250 L

Question 1 of 10

Quiz Complete!

Answer Review