E‑Ink Display ROI + Carbon Calculator self‑hosted · view‑only

Fast, privacy‑friendly calculator inspired by your spreadsheet model. Edit inputs on the left; KPIs & month‑by‑month results update instantly on device.

Inputs

KPIs

NPV over horizon

$0

Monthly Net Cash (fleet)

$0

after financing + opex

Simple Payback

—

months

CO₂e Avoided / month

0 kg

fleet‑wide

Per‑Month Detail

Month	Net cash (fleet, $)	Discount factor	Present value ($)	CO₂e avoided (kg)	Cum. CO₂e (kg)