CartSmart

CartSmart

Free grocery calculator

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Real-time grocery math

Shop smarter. Spend less.

Track your cart total, compare prices, and stick to your budget right from your phone.

Fast on mobileSaves on your deviceHow CartSmart works

My budget

$

Cart Total

$0.00

Remaining

$150.00

$150.00 left before you reach the register.

Cart items

Add groceries as you shop and keep a running total.

ItemQtyUnit priceSubtotalRemove
$0.00
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Compare Price Per Unit

Check which option stretches your money further before you toss it in the cart.

Brand A

Add a price and quantity to calculate unit cost.

Brand B

Add a price and quantity to calculate unit cost.

Enter both options to compare unit pricing.

Why it works

Built for the aisle, not the desktop.

Keep a live running total as you shop, catch budget drift early, and make better swap decisions when two brands look close.

CartSmart stores your cart locally on your phone, so refreshing the page does not wipe out your list.

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