CPN

Cost Per Nut

Cost Per Nut Calculator

Free online calculator. No sign-up required for the basic version.

The simple version

Enter your total dating spend for the period (typically a month). Enter the number of times you achieved your defined outcome. The calculator divides one by the other. That's your CPN.

If you've never run the math before, this is the right first step. Most guys are stunned by the gap between their guess and the actual number, and that stun is the motivation that powers everything that comes next.

The full version

The full version of the calculator lives inside the app. Same math, but logged per-date instead of per-month, with a per-girl breakdown, a per-venue breakdown, and a trend line over time.

The reason to graduate from the simple version to the full version is that one number tells you what's happening; the per-girl pivot tells you what to do about it. Both are useful, but only the second produces actions.

Time and outcome variations

If you want to compute time CPN as well: total hours spent on dating in the period, divided by outcomes. Gives you a parallel metric — hours per outcome — that often tells a different story than dollars per outcome.

If you're tracking against a different outcome (kiss, second date, etc.), the math is identical — just keep the outcome definition constant within a measurement period.

How accurate is it?

The math is exact. The accuracy depends entirely on the honesty of your inputs. Most guys, on first computation, are within 10-15% of the truth on outcomes (easy to count) and 25-40% off on spend (easy to under-remember). Run the calc honestly and the number is real.

A simple way to spot-check: pull up your bank statement for the period and add up the dating-related transactions. If your input number is 70% or less of the bank-statement number, you're under-counting. Adjust and re-run.

Start tracking properly

Once you've got a baseline number, the next step is to track per-date going forward. The app does this in thirty seconds per entry, with a 3-day free trial to see the full product. The trend line over six months is more useful than any single CPN snapshot.

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