Question 1

What is a forex calculator and why do I need one?

Accepted Answer

Look, a forex calculator does the math that'll save your account. Position size, pip value, margin—stuff you need to know before clicking buy or sell. Enter your account balance, how much you're willing to lose, and where your stop is. It spits out your lot size. Without one? You're basically guessing. And guessing leads to overleveraging, margin calls, and that sinking feeling when you check your balance.

Question 2

How do I calculate my forex position size?

Accepted Answer

Here's the quick version: Take your account, multiply by what you're risking (1-2% usually), then divide by your stop loss in pips times the pip value. So $10k account, 2% risk, 25-pip stop, $10/pip = 0.8 lots. That's it. The calculator handles the math so you don't mess it up when you're staring at a chart at 2am.

Question 3

What's the difference between a pip and a pipette?

Accepted Answer

A pip is the fourth decimal for most pairs—1.0850 to 1.0851 is one pip. Pipette is a tenth of that, the fifth decimal. Some brokers use pipettes for tighter spreads. Just remember 10 pipettes = 1 pip and you're good. JPY pairs use the second decimal instead because yen is worth less per unit.

Question 4

How much leverage should I use for forex trading?

Accepted Answer

Less than your broker offers—that's the honest answer. Most pros stick to 10:1 or lower even when 500:1 is available. Why? At 100:1, a 1% move wipes you out. At 10:1, you survive. High leverage is how retail traders blow accounts. It's not a conspiracy; it's math.

Question 5

What's the difference between margin and leverage?

Accepted Answer

Leverage is the multiplier—100:1 means your $1k controls $100k. Margin is the actual cash your broker holds hostage while the trade's open. They're basically opposites: more leverage = less margin required. 100:1 leverage = 1% margin. Simple once you see it that way.

Question 6

Do these calculators work with MT4 and MT5?

Accepted Answer

Yep. Works with MetaTrader 4, MT5, cTrader, whatever your broker uses. The math doesn't care what platform you're on. Calculate here, punch the lot size into your order window. Done.

Question 7

Why do pip values change between currency pairs?

Accepted Answer

Because pip value depends on the quote currency. EUR/USD pips are in dollars, so it's straightforward if your account's in USD. But GBP/JPY pips are in yen—you gotta convert. And USD/CHF flips the math around. This is exactly why pip calculators exist. Nobody wants to do currency conversions by hand.

Question 8

How do spreads affect my trading costs?

Accepted Answer

The spread is your entry tax. 2-pip spread with $10/pip means you start $20 in the red. Every. Single. Trade. For scalpers taking 50 trades a day, that adds up fast. Wider spreads kill profitability for short-term strategies.

Question 9

What are swap fees and when do I pay them?

Accepted Answer

Swaps are overnight charges (or credits) for holding positions past 5 PM New York time. It's the interest rate difference between the two currencies. Sometimes you pay, sometimes you get paid—depends on direction and the pair. Wednesday's triple swap because weekends count. Hold positions for weeks and swaps eat into profits.

Question 10

What's a good risk-reward ratio?

Accepted Answer

Most traders won't touch anything below 1:2—risk a dollar to make two. At 1:2, you only need to win 34% of trades to break even. At 1:3, you can be wrong 60% of the time and still profit. Risk-reward matters way more than win rate. Took me too long to figure that out.

Question 11

How much money do I need to start trading forex?

Accepted Answer

$500-$1,000 lets you trade micro lots with real risk management. Some brokers take $50 but that forces you into bad habits—either risking too much per trade or positions so small they're meaningless. Start small but not tiny.

Question 12

What is the Kelly Criterion?

Accepted Answer

It's a formula from gambling theory that calculates optimal bet size based on your edge. Plug in your win rate and average win/loss, it tells you what percentage to risk. Most traders use half or quarter Kelly because full Kelly swings your account around like crazy.

Question 13

Are these calculators really free?

Accepted Answer

100% free. No email signup, no premium tier, no "enter your credit card for full access" nonsense. We make money from broker partnerships and some ads. You get free calculators forever.

Question 14

How accurate are these calculators?

Accepted Answer

They use standard formulas—same math brokers and institutions use. Position sizing and pip values aren't secret sauce. Put in accurate numbers, get accurate results. Garbage in, garbage out still applies though.

Question 15

Can I use these for gold, indices, and crypto?

Accepted Answer

Yeah. Any CFD works—forex, gold, S&P 500, Bitcoin, whatever. Position sizing math is universal. Just need the right contract size and pip/tick value for your instrument.

Free Forex Calculator:
Position Size
& Pip Value

18 Trading Calculators

Advantages

Advantages

Advantages

Advantages

Advantages

Professional Trading Workflows

Before Entering a Trade

While in a Trade

Long-Term Planning

Technical Analysis

Common Questions

Complete Forex Calculator Guide 2026

Forex Trading Fundamentals

How the Forex Market Actually Works

Position Sizing: The Boring Secret That Works

Leverage and Margin: Handle With Care

Pip Values Aren't All the Same

Free Forex Calculator:
Position Size
& Pip Value

18 Trading Calculators

Advantages

Advantages

Advantages

Advantages

Advantages

Professional Trading Workflows

Before Entering a Trade

While in a Trade

Long-Term Planning

Technical Analysis

Common Questions

Complete Forex Calculator Guide 2026

Forex Trading Fundamentals

How the Forex Market Actually Works

Position Sizing: The Boring Secret That Works

Leverage and Margin: Handle With Care

Pip Values Aren't All the Same