Use this calculator to split any number in a 2:3 ratio. Enter one or more fields and click Calculate.
If you enter a total, the calculator returns the 2-part and 3-part shares automatically.
What is a 2:3 ratio?
A 2:3 ratio means for every 2 units of one quantity, there are 3 units of another. Altogether, that makes 5 equal parts. This is one of the most common ratio splits used in budgeting, recipe scaling, team resource planning, and profit sharing.
How the 2:3 ratio calculator works
In a 2:3 split, the first value always represents 40% of the total and the second value represents 60%:
- 2-part percentage = 2 / (2 + 3) = 40%
- 3-part percentage = 3 / (2 + 3) = 60%
So if your total is 1,000, the split is:
- 2-part = 1,000 × 0.40 = 400
- 3-part = 1,000 × 0.60 = 600
Quick formulas
If you know the total
2-part = Total × 2/5
3-part = Total × 3/5
If you know only the 2-part
Multiply by 1.5 to get the 3-part, then add both for the total.
- 3-part = 2-part × (3/2)
- Total = 2-part + 3-part
If you know only the 3-part
Multiply by 2/3 to get the 2-part, then add both for the total.
- 2-part = 3-part × (2/3)
- Total = 2-part + 3-part
Real-world examples
1) Budget allocation
You want to divide a monthly side-income of $2,500 into savings and spending using 2:3. Savings (2-part) = $1,000, Spending (3-part) = $1,500.
2) Recipe scaling
A sauce uses oil and vinegar in a 2:3 ratio. If you use 300 ml vinegar (3-part), oil should be 200 ml (2-part), making 500 ml total.
3) Workload sharing
Two collaborators divide 45 tasks in a 2:3 ratio. One takes 18 tasks and the other takes 27.
Common mistakes to avoid
- Adding the ratio numbers incorrectly (2 + 3 must be 5).
- Treating 2:3 as a difference instead of a proportional split.
- Forgetting that the first share is always 40% and the second is 60%.
- Using inconsistent inputs (for example, entering 200 and 400 as if they were 2:3).
FAQ
Can I use decimals?
Yes. The calculator supports whole numbers and decimals.
What if I enter all fields?
The tool prioritizes the total and checks whether your other entries match the 2:3 split. If they don't match, it displays a warning and the corrected values.
Can this help with percentages?
Absolutely. Because 2:3 maps directly to 40% and 60%, it is useful for quick percentage-based decisions.