This calculator integrates with woo-commerce to get the product details.
We can then determine the minimum and maximum deposit and calculate the repayments:
This is set up for a client and they wanted to do their own styling so their requirements may not be the same as yours. But it’s all easily editable of you want something different.
If you want a version like this please contact me.
Note that these plugins are not free. The cost depends on the complexity of the plugin and what changes you need doing.