Demo calculator

Price elasticity for one product

Paste a year of weekly sales and see how much your sales move when your price moves, with weather, bank holidays and promotions taken out.

Runs in your browser · your data is never uploaded

1Your product

2Your weekly sales

One row per week, at least 52 weeks (two years is better). Columns: week start date, price per unit, units sold. Optional: promo (yes/no) and temp if you have your own temperatures. Daily sales work too; we add them up into weeks.
Everything stays on this computer.