# How do you calculate tax on a shopping cart?

**URL:** https://forum.kirupa.com/t/how-do-you-calculate-tax-on-a-shopping-cart/268413
**Category:** Uncategorized
**Created:** [August 13, 2008, 3:17pm UTC](https://forum.kirupa.com/t/how-do-you-calculate-tax-on-a-shopping-cart/268413 "2008-08-13T15:17:22Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![imagined](https://avatars.discourse-cdn.com/v4/letter/i/a87d85/32.png) [@imagined](https://forum.kirupa.com/u/imagined)
#### Post date: [August 13, 2008, 3:17pm UTC](https://forum.kirupa.com/t/how-do-you-calculate-tax-on-a-shopping-cart/268413/1 "2008-08-13T15:17:22Z")

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how do you calculate tax on a shopping cart?

i know you can use a formula. but is it based on just the state or how do you do it?