# Definitions and calculations

- How do I calculate the margin required on Rolling Indices on my MT5 account?
- How do I calculate the margin required on Commodities on my MT5 account?
- How do I calculate the margin required on FX pairs on my MT5 account?
- What is Tiered Margin and how do I calculate the margin required on my MT5 account?
- Why is there tiered margin on my MT5 Account?
- What is tiered margin and how does it affect MT5 accounts?
- What is the balance?
- What is the Equity?
- What is a pip?
- What is the pip value?
- What is a leverage?
- What is the spread?
- What is the required margin?
- What is the free margin?
- What is the margin level percentage?
- What is a margin call?
- What is the stop out level at Equiti?