Ratio & proportion tools
1:5 Ratio Calculator
A 1:5 ratio has 6 total parts, and the first part is 16.67% of the whole, the second part is 83.33% of the whole. The ratio is already in its simplest form.
1:5
Simplest form 1:5 · 6 total parts
600
Exact result
100 units · 500 units
16.67% : 83.33% · 6 total parts · 1 part = 100 units
first part
second part
- Total parts
- 6
- Simplest form
- 1 : 5
- One part
- 100 units
Know one side instead?
Enter one measured amount to scale the whole ratio.
Working
- Add the parts: 6 total parts.
- One part = 600 ÷ 6 = 100 units.
- Multiply one part by each ratio part: 100 and 500.
Equivalent 1:5 ratios
- 1 : 5
- 2 : 10
- 3 : 15
- 4 : 20
- 5 : 25
- 6 : 30
What 1:5 means
A 1:5 ratio has 6 total parts. Each part is worth the total divided by 6, so the shares are 16.67% and 83.33% of whatever you are dividing.
- Total parts
- 6
- Simplest form
- 1:5
- One part of 600
- 100
Where this ratio shows up
Often seen in garden fertiliser and mild cleaning dilutions, where the product makes up one-sixth of the finished amount.
Worked example
Dividing 600 in a 1:5 ratio gives 100 and 500. Add them back together and you get 600 exactly — a quick way to check any split.