Free reseller calculators for profit, ROI, margin and maximum buy price.
Free UK reseller calculators for eBay safe bids, resale profit, ROI, margin and break-even purchase price. Use your own costs with no sign-up required.
eBay Safe Bid Calculator
Work backwards from expected resale and target profit to a maximum sensible auction bid.
EBAY PROFITeBay Resale Profit Calculator
Include purchase price, postage, repairs, selling costs and expected sale price.
RETURNReseller ROI Calculator
Measure expected profit against the capital you put into the item.
MARGINResale Margin Calculator
Measure expected profit as a percentage of your sale revenue.
BUY PRICEBreak-Even Buy Price Calculator
Calculate the maximum purchase price after costs and target profit.
GENERALResale Profit Calculator
Use the original multi-market resale calculator already on ResellBot.uk.
Why are these calculators free?
Useful SEO should also be useful to a reseller. These tools work without a licence or sign-up. If you later want saved-search monitoring, local AI, market evidence, Discord alerts and auction tracking around the calculation, that is what the paid Resell AutoBot app provides.