Cash Register & Adding Machine Values
Current market data for 3,200 cash registers and adding machines on eBay.
What you'll usually pay
💡 Used ones cost about 25% more here.
👉 In short easy summary
The highest value is found in Mechanical Calculators, which command a 163% premium over the market median. Antique Adding Machines and Burroughs models also show significant gains at 71% and 121% respectively.
Price by featured refinements
Why? Prices vary based on rarity and mechanical complexity, ranging from 25 for new general units to 100 for mechanical calculators.
🛒 Some on sale right now
Common questions
What is the median price for a used adding machine?
The used median price is 31.15.
Which specific brand or type commands the highest premium?
Mechanical Calculators have the highest premium at 163% above the median, with a median price of 100.
How do antique adding machines compare to the general market median?
Antique Adding Machines have a median price of 65, which is 71% higher than the market median.
How we got these numbers
Worked out from 200 live eBay listings (price range $13–$252, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 6, 2026.