Calculate your true machining cost per part.
The cheapest tool is rarely the lowest cost. Put in your numbers and see your real cost per part — tooling, machine time, tool changes, and presetting — and what a longer-lasting, faster-cutting RobbJack tool saves you a year.
Your numbers
Typical US rates — adjust anything below to your shop.
Defaults model a RobbJack tool at 4× the tool life and a faster cycle — conservative vs. our published case studies. Tune every field to your shop.
Your savings with RobbJack
That's 37% lower total cost and $53,906 over five years — on 5,000 parts a year.
Total annual cost
Where the savings come from
Cumulative savings
All-in cost per part
Includes tooling, machining time, tool changes, and presetting — not just the sticker price of the tool.
The numbers aren't hypothetical
Real shops, real parts, documented results. Every claim links to the proof.
Get this as a tailored report
We'll send your numbers to your local application engineer, who'll validate them on your actual part and recommend the exact tool. No obligation.
Estimates for illustration only, calculated from the figures you enter. Actual savings depend on your parts, materials, machines, and run conditions and are not guaranteed. Case-study results reflect specific customer applications; your results will vary.
This calculator models the four cost centers from RobbJack's original Cost Evaluation Worksheet. Results are estimates based on the numbers you enter; your local application engineer will validate them on your actual part. Case-study figures are documented results from specific applications and will vary by job.
Prefer a spreadsheet? Download the classic machining cost calculation Excel worksheet (free, no signup) and run the same numbers offline.