Trading Calculators
Free tools to help you manage risk and plan your trades
Position Size Risk / Reward Compound Interest
Position Size Calculator
Work out how many shares to buy based on your risk tolerance
When to use: Before every trade. Risking a fixed % of your account per trade is the foundation of proper risk management. Most traders risk 1-2% per trade.
Account Size
£
Risk Per Trade
%
Entry Price
£
Stop Loss Price
£
Position Size
-shares
Risk Amount
Stop Distance
Stop Distance %
Position Value
% of Account
Risk as % of account
Risk / Reward Calculator
Evaluate the risk to reward ratio before entering a trade
When to use: Before entering any trade. A good risk/reward ratio (1:2 or better) means you can be profitable even with a sub-50% win rate. Never risk more than you stand to gain.
Entry Price
£
Stop Loss Price
£
Take Profit Price
£
Quantity (optional)
Risk / Share
Reward / Share
Risk : Reward
Total Risk
Total Reward
Breakeven Win Rate
Risk Reward
Compound Interest Calculator
See the power of regular investing over time
When to use: To plan your long-term investing goals. Compound interest is the most powerful force in investing — even small regular contributions grow dramatically over time.
Starting Amount
£
Monthly Contribution
£
Annual Return Rate
%
Compound Frequency Monthly/Quarterly/Annually
Time Period 20 years
Final Value
£123,516
Total Contributions
£49,000
Interest Earned
£74,516
Interest % of Total
60.3%
**You'll hit £10,000 in 4 years
**You'll hit £25,000 in 8 years
**You'll hit £50,000 in 12 years
**You'll hit £100,000 in 18 years
**By year 9, interest earns more per year than your contributions
| Year | Contributions | Interest | Total |
|---|---|---|---|
| 1 | £3,400.00 | £189.58 | £3,589.58 |
| 2 | £5,800.00 | £594.10 | £6,394.10 |
| 3 | £8,200.00 | £1,231.40 | £9,431.40 |
| 4 | £10,600 | £2,120.78 | £12,721 |
| 5 | £13,000 | £3,283.19 | £16,283 |
| 6 | £15,400 | £4,741.27 | £20,141 |
| 7 | £17,800 | £6,519.57 | £24,320 |
| 8 | £20,200 | £8,644.67 | £28,845 |
| 9 | £22,600 | £11,145 | £33,745 |
| 10 | £25,000 | £14,053 | £39,053 |
| 11 | £27,400 | £17,401 | £44,801 |
| 12 | £29,800 | £21,226 | £51,026 |
| 13 | £32,200 | £25,567 | £57,767 |
| 14 | £34,600 | £30,469 | £65,069 |
| 15 | £37,000 | £35,976 | £72,976 |
| 16 | £39,400 | £42,140 | £81,540 |
| 17 | £41,800 | £49,014 | £90,814 |
| 18 | £44,200 | £56,658 | £100,858 |
| 19 | £46,600 | £65,136 | £111,736 |
| 20 | £49,000 | £74,516 | £123,516 |