Convert Mass From Tonne To Kilogram  by

6

What is mass?

Mass is a measurement of amount of matter something contains.

What is matter?

Matter refers to objects that take up space and have mass Mass is measured in units called Tonnes (t) Kilograms (kg) Grams (g) Milligram ( mg).

Units for measuring mass

• Identify the units • Convert the following tonnes to kilograms
Example 1

5tonnes
Multiply tonnes by 1000 to
Change to kilograms
1t = 1000 kg
Therefore 5 t = 5 ×1000 kg

= 5000 kg  Example 2

Convert 0.327 tonnes to kilograms

0.327t
1t = 1000kg
Therefore 0.327t= ?
0.327 × 1000
=327 kg

Example 3

Kamau had 3.5 t,kiprono had 0.589t,while juma had ,2.4 t .How many kilograms do they have altogether

Solution

3.5t + 0.598 t + 2.4 t=?

3.5

0.598

+2.41

_____

6.508_____

3.5t + 0.598 t + 2.4 t=?

3.5

0.598

+2.41

_____

6.508_____

3.5t + 0.598 t + 2.4 t=?

3.5

0.598

+2.41

_____

6.508_____

3.5t + 0.598 t + 2.4 t=?

3.5

0.598

+2.41

_____

6.508_____   1t = 1000kg

6.508 t = 6.508×1000kg

6508kg

### Remember

• To change kilograms to tonnes .Divide kilograms by 1000

## Convert kilograms to tonnes

### Remember 1000kg= 1t

3000kg = ?

3000

= 3t (3

72149 kilograms to tonnes

= 72149 divide by 1000

=72149    1000

=72.149 t

More examples 9000 kg ------ ?

=9 tonnes

Work out QUESTIONS

Convert the following tonnes to kilograms

1. (a) 7 tonnes (b) 12.625 tonnes (c) 0.459 tonnes (d) 2 tonnes (e) 450 tonnes
2. Convert the following kilograms to tonnes (a) 4610kg (b) 922kg (c) Akello has 250kg ,Juma has 450 kg while Njeri has 300 kg of beans. How many tonnes do they have altogether? (d) 6 lorries carried 5000kg of sugar each . How many tonnes did they carry altogether? (e) 9250 kg

1
(a) 7000 kg
(b) 12625 kg
(c) 459 kg
(d) 2000 kg
(e) 450 000 kg

2
(a) 4.61or 4.610 tonnes
(b) 0.922 tonnes
(c) 1 tonne
(d) 30 tonnes
(e) 9. 25 tonnes