ForexFin

Free forex calculators. No signup. Bookmark and go.

Position sizing, pip value, margin, swap, risk:reward, Kelly fraction, spread cost — plus a Trade Plan Builder that combines them. Eight tools for retail traders who care about getting the math right before clicking buy.

Calculators
Position Size

How many lots to trade so a stop-out costs only your planned risk.

Pip Value

What one pip is worth in your account currency, for any pair and lot size.

Margin

Capital required to open a position at a given leverage.

Swap / Rollover

Estimated overnight financing cost from interest-rate differential.

Risk : Reward

R-multiple, pips at risk, pips at reward — from entry, stop, and target.

Kelly Fraction

Mathematically optimal bet size from win rate and average win/loss.

Spread Cost

How much your broker's bid–ask spread really costs you per trade, day, and year.

Trade Plan Builder

One form, one plan: position size + R:R + Kelly check. Copy the summary or share via URL.

Markets & concepts
Forex Market Hours

Sydney, Tokyo, London, New York sessions in your local time. See what's open right now and when the high-volume overlaps occur.

Currency Strength Meter

Daily strength scores for the eight major currencies — pick pairs by combining the strongest with the weakest.

Pair Correlation Matrix

30-day correlation of daily returns across the ten most-traded pairs. Spot the same-side trap before sizing up.

Forex Concepts

Plain-English explanations of pips, leverage, margin calls, and the things every new trader gets wrong once.

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