Formula
This calculator uses the equation below. Use it as a quick reference when checking setup before solving.
DBE = C − H/2 − X/2 + N/2 + 1Organic Chemistry
Degree of Unsaturation (DBE / IHD) Calculator
Compute Degree of Unsaturation (DBE / IHD) using DBE = C − H/2 − X/2 + N/2 + 1.
DBE = C − H/2 − X/2 + N/2 + 1
Run this calculator
Leave a nullable field blank to solve for it.
Variable glossary
C (c)
Input variable 'c' for Degree of Unsaturation (DBE / IHD). Set one variable to null to solve for it.
H (h)
Input variable 'h' for Degree of Unsaturation (DBE / IHD). Set one variable to null to solve for it.
X (x)
Input variable 'x' for Degree of Unsaturation (DBE / IHD). Set one variable to null to solve for it.
N (n)
Input variable 'n' for Degree of Unsaturation (DBE / IHD). Set one variable to null to solve for it.
Dbe (DBE)
Result variable 'DBE' for Degree of Unsaturation (DBE / IHD). Set to null (or omit) to compute this value.
Worked example
Try these sample values to validate the setup, then replace inputs with your own conditions.
- c: 0.8
- h: 3
- x: 4
- n: 5
Frequently Asked Questions
What does the Degree of Unsaturation (DBE / IHD) calculator solve?
It solves Degree of Unsaturation (DBE / IHD) problems in organic chemistry using your provided inputs and computes unknown values when nullable fields are left blank.
Do I need to convert units before using this tool?
Use the unit toggles where available (for example K/C and L/mL). ChemGenius converts values to the calculator's base units automatically before solving.
Can I save this result in my workflow?
Yes. After computing a result, you can continue into ChemGenius workflows like protocol drafting or notes to keep your calculation context attached to downstream work.