This app calculates the position size to keep the loss constant for each currency pair in lot size calculation during FX trading.
Most important matter in FX trading is risk management. Proper Position size (Lot size) is to avoid blowing out own account.

If you use the same position size (Lot size), different currency pairs will have different losses.

To calculate the Position size (Lot size), select the based currency, enter your equity and your percentage of your risk and enter stop-loss pips, then you will get proper position size (lot size) easily.