
JEE Main Important Formulas 2026 play a crucial role in scoring well in the exam. Every year, a large number of questions in Physics, Chemistry, and Mathematics are directly or indirectly based on standard formulas. A strong command over these formulas helps students solve numerical problems quickly and avoid calculation mistakes.
For JEE Main 2026 aspirants, learning formulas is not just about memorization. It is about understanding how and where to apply them. From motion and electricity in Physics to thermodynamics in Chemistry and calculus in Maths, formulas act as tools that convert concepts into correct answers. Keeping a well-organized formula list and revising it regularly can significantly boost exam performance and time management.
JEE Main Important Formulas 2026 represent the core mathematical relationships and scientific principles vital for solving problems in Physics, Chemistry, and Mathematics. These formulas form the backbone of numerical questions and conceptual understanding required for the exam. Familiarity with these JEE Main important formulas in Math, Physics, and Chemistry significantly improves calculation speed and accuracy, which is essential for scoring well.
Physics demands a strong grasp of fundamental formulas to solve numerical problems.
Kinematics deals with motion without considering forces.
Average Speed: Total distance / Total time
Average Velocity: Total displacement / Total time
Acceleration: (Final velocity - Initial velocity) / Time taken
These laws describe the relationship between a body and the forces acting upon its motion.
Newton's Second Law: F = m * a
Force of Friction: F = μ * N (where μ is coefficient of friction, N is normal force)
These define how energy transfers and transforms.
Work Done: Force * Displacement * cos(θ)
Kinetic Energy: 0.5 * m * v^2
Potential Energy: m * g * h
These describe the interactions between charged particles.
Electric Field Intensity: E = F / Q
Coulomb's Law: F = k * (q1 * q2) / r^2
This section covers the flow of electric charge.
Ohm's Law: V = I * R
Current: I = Q / t
JEE Main Formulas for Chemistry 2026 cover physical, inorganic, and organic chemistry.
These formulas help quantify chemical properties and reactions.
Ideal Gas Law: PV = nRT
Molarity: No. of Moles of Solutes / Volume of Solution in Liters
Molality: No. of Moles of Solutes / Mass of solvent in kg
First Law of Thermodynamics: ΔU = q + W
Key formulas for understanding coordination and d- & f-block elements.
Effective Atomic Number (EAN): Z - O + 2L (Z = Atomic number, O = Oxidation state, L = Ligands)
Magnetic Moment:
(n = number of unpaired electrons)
This involves structures, reactions, and properties of organic compounds.
Degree of Unsaturation: (2C + 2 - H + N - X) / 2 (C=carbon, H=hydrogen, N=nitrogen, X=halogen)
Alkanes: C_n H_{2n+2}
Alkenes: C_n H_{2n}
Alkynes: C_n H_{2n-2}
JEE Main formulas for Maths 2026 are fundamental for all quantitative sections.
These formulas address numbers involving the imaginary unit i.
General Form: x + iy
Modulus:
These solve for roots of second-degree polynomial equations.
Standard Form: ax^2 + bx + c = 0
Roots Formula:
Essential relations between trigonometric functions.
Pythagorean Identity:
Tangent Identity:
These are critical for understanding rates of change and accumulation.
Power Rule for Derivatives:
Power Rule for Integration:
Remembering a vast number of JEE Main Important Formulas 2026 is a challenge. Using effective learning strategies helps retain them. Students should focus on understanding the derivations and applications rather than rote memorization.
Understand Concepts: Grasp the logic behind each formula. This makes remembering easier than just memorizing.
Organize Notes: Create a dedicated formula notebook or flashcards. Categorize formulas by chapter or topic.
Regular Practice: Apply formulas by solving many problems. This reinforces memory and improves problem-solving skills.
Visual Aids: Use diagrams, flowcharts, or mind maps to connect related formulas visually.
Daily Revision: Allocate time each day to review formulas. Consistent exposure improves long-term retention.