Your numbers · measured energy, modeled everything you enter

What would happen if you ran it on your own numbers?

This car’s measured energy per mile, priced at the rate you would pay, against the car you drive now.

AAA Tennessee, 2026-08-24.

Charging at home? Enter your own rate.

This car, measured: 293.2 Wh a mile reached the battery. With your own rate, use the meter’s 316.9: the same miles with the 7.47% lost charging added back.

This car has averaged 2,238 a month since September 7.

12.2¢

Electric, per mile

28.0¢

Your car, per mile

PeriodElectricYour car
A month$273.76$626.64
A year$3,285$7,520

At these numbers, electric is $352.88 a month cheaper.

Energy only. The energy per mile is measured, this car’s own; the prices are what you entered, so the totals are modeled. Insurance and what the car is worth are on the Ledger; tires are not on the record yet.

Take the data

The daily rows behind the charts: miles, drives, miles on FSD (Supervised), kWh added, charging spend and idle range lost, one row for each day the car did something.

Download the CSV ↓ 44 days, August 25 to October 10.

Built by Paddock20

Built for service businesses outgrowing their software.

You talk to the builder, not a rep. This site is a Paddock20 build.

Book a Fit Call

A written build order: what we’d build, what it costs, how long it takes. Yours to keep either way.

What happens next

Want to follow the next project?

Everything here started as a what-if and ended as a record. The crew hears the day the next one opens.

What would you like?

A note the day a case opens, and Sunday’s numbers once you confirm.Tell us what you are building, and what it should do. A person writes back.

Tell us more Optional
I am here as

We use your email to write back and to send the crew’s notes. It is never sold, and only the services that store and send it handle it. Unsubscribe from any note, or write hello@paddock20.com to be deleted. Privacy policy.

One more step

Check your inbox.

One click confirms your address, and a note with where to start follows. While you wait, this is the place for you: