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ICSE Class 11 Geography — Formula Sheet

ICSE Class 11 Geography formula sheet, chapter by chapter — 19 formulas across 7 chapters. Follows the ICSE / ISC syllabus.

How to Use the Formula Sheet

  1. Write, don't just read — writing each formula out helps it stick.
  2. Understand the derivation — you can rebuild a formula you half-remember.
  3. Group related formulas — link the ones that build on each other.
  4. Test yourself — cover the sheet and write the formulas from memory.

Chapter-Wise Formulas — 7 Chapters

The age of the earth = The thickness of sediment / The annual rate of deposit in of the sediment
The age of the oceans = Total oceanic salt / Annual rate of oceanic salinity
The full Formation of the Earth formula sheet
7

Isostasy

3 entries
Airy's iceberg freeboard-to-draught ratio: 1 : 9
Airy's root-depth multiplier: root depth = height of rock above substratum × 8
Inverse relation of density and column size: bigger the column, lesser the density; smaller the column, greater the density
The full Isostasy formula sheet
Competence ∝ (velocity)^6
(2)^6 = 2 × 2 × 2 × 2 × 2 × 2 = 64 times
The full Fluvial Processes and Associated Landorms formula sheet

4 more chapters below

Formula sheets for all 7 chapters with formulas.

Get the Formula Sheets

Get chapter-wise help for ICSE Class 11 Geography

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Frequently Asked Questions

Where can I find ICSE Class 11 Geography Formula Sheet?

This page has formula sheet for 7 chapters of ICSE Class 11 Geography for the 2026-27 session. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Learn the formulas you use most first, and understand what each symbol means so you can apply them. Knowing where a formula comes from helps you rebuild it if you forget it in the exam.

Browse Formula Sheet by Chapter

7 chapters

More Geography Resources

ICSE Class 11

Other ICSE Class 11 Subjects