SPM Chemistry Tools & Calculators
Free SPM Chemistry tools to plan your revision and check your progress.
A set of free tools to make SPM Chemistry easier, run the calculations you meet in Papers 1 and 2, plan your revision, and count down to the exam. They work in your browser; nothing is stored.
Calculators
Mole Calculator
Convert between mass, moles, number of particles and gas volume using relative formula mass, the core of SPM Chemistry calculations.
Molarity & Dilution Calculator
Calculate molarity from moles and volume, and work out dilutions with C1V1 = C2V2.
Empirical Formula Calculator
Turn masses or percentage composition into an empirical formula, step by step, the SPM way.
Equation Balancer
Balance a chemical equation automatically and check your own balancing for SPM Chemistry.
Plan & check your prep
SPM Countdown
Count down the weeks and days to your SPM Chemistry paper and turn the time you have left into a realistic revision plan.
Study Hours Calculator
Work out how many hours of Chemistry study a week you need to cover the syllabus before SPM.
Chapter Priority Planner
Rank the 13 SPM Chemistry chapters by how much they still need your attention, so you revise the right things first.
Self-Assessment Quiz
Rate yourself across the skills SPM Chemistry tests, recall, calculations, practical and essays, and get a focused next step.
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