Converting Units of Time worksheet - Free Printable

Sure! Let’s solve each conversion step by step using the clues provided in the image.

---

Clues from the image:

- 60 seconds = 1 minute
- 60 minutes = 1 hour
- 24 hours = 1 day
- 7 days = 1 week
- 2 weeks = 1 fortnight
- 12 months = 1 year
- 365 days = 1 year
- 52 weeks = 1 year
- 10 years = 1 decade
- 100 years = 1 century
- 1000 years = 1 millennium

---

1. 120 minutes = ______ hours

We know:
> 60 minutes = 1 hour

So, divide 120 by 60:
120 ÷ 60 = 2

✔ Answer: 2 hours

---

2. 2 decades = ______ years

We know:
> 10 years = 1 decade

So, multiply 2 × 10:
2 × 10 = 20

✔ Answer: 20 years

---

3. 2 years = ______ weeks

We know:
> 52 weeks = 1 year

So, multiply 2 × 52:
2 × 52 = 104

✔ Answer: 104 weeks

---

4. 48 hours = ______ days

We know:
> 24 hours = 1 day

So, divide 48 by 24:
48 ÷ 24 = 2

✔ Answer: 2 days

---

5. 90 seconds = ______ minutes

We know:
> 60 seconds = 1 minute

So, divide 90 by 60:
90 ÷ 60 = 1.5

✔ Answer: 1.5 minutes (or 1 minute and 30 seconds)

---

6. 3 weeks = ______ days

We know:
> 7 days = 1 week

So, multiply 3 × 7:
3 × 7 = 21

✔ Answer: 21 days

---

7. 2 fortnights = ______ weeks

We know:
> 2 weeks = 1 fortnight

So, multiply 2 × 2:
2 × 2 = 4

✔ Answer: 4 weeks

---

8. 80 years = ______ decades

We know:
> 10 years = 1 decade

So, divide 80 by 10:
80 ÷ 10 = 8

✔ Answer: 8 decades

---

9. 4 centuries = ______ years

We know:
> 100 years = 1 century

So, multiply 4 × 100:
4 × 100 = 400

✔ Answer: 400 years

---

## ✔ Final Answers:

1. 120 minutes = 2 hours
2. 2 decades = 20 years
3. 2 years = 104 weeks
4. 48 hours = 2 days
5. 90 seconds = 1.5 minutes
6. 3 weeks = 21 days
7. 2 fortnights = 4 weeks
8. 80 years = 8 decades
9. 4 centuries = 400 years

Let me know if you’d like to see how to set up unit conversions with fractions or dimensional analysis!