--- description: Explore detailed documentation on convolution modules like Conv, LightConv, GhostConv, and more used in Ultralytics models. keywords: Ultralytics, convolution modules, Conv, LightConv, GhostConv, YOLO, deep learning, neural networks --- # Reference for `ultralytics/nn/modules/conv.py` !!! Note This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/nn/modules/conv.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/nn/modules/conv.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/nn/modules/conv.py) 🛠️. Thank you 🙏!

## ::: ultralytics.nn.modules.conv.Conv

## ::: ultralytics.nn.modules.conv.Conv2

## ::: ultralytics.nn.modules.conv.LightConv

## ::: ultralytics.nn.modules.conv.DWConv

## ::: ultralytics.nn.modules.conv.DWConvTranspose2d

## ::: ultralytics.nn.modules.conv.ConvTranspose

## ::: ultralytics.nn.modules.conv.Focus

## ::: ultralytics.nn.modules.conv.GhostConv

## ::: ultralytics.nn.modules.conv.RepConv

## ::: ultralytics.nn.modules.conv.ChannelAttention

## ::: ultralytics.nn.modules.conv.SpatialAttention

## ::: ultralytics.nn.modules.conv.CBAM

## ::: ultralytics.nn.modules.conv.Concat

## ::: ultralytics.nn.modules.conv.autopad