Depending on the finetuning tool you're using, you can just start the training run, and then it shows you how long it'll take. Like give it 5 mins to stabilise,

Depending on the finetuning tool you're using, you can just start the training run, and then it shows you how long it'll take. Like give it 5 mins to stabilise, then see the estimated duration. Axolotl is a good finetuning tool if you need one.