How Big Should an Emergency Fund Be?
There is no single right size. Your income pattern, household and backup decide whether you aim for 3 months of essentials or 12 — and the maths is one multiplication.
Guides about savings
How Is Compound Interest Calculated?
Multiply the balance by (1 + rate ÷ periods), once for every period. A £5,000 example worked step by step, and why time matters far more than how often interest is added.