Free · Browser-Based · State Tax Presets

Sales Tax by State Calculator

Estimate checkout totals using state-level sales tax presets, optional local add-ons, and reverse calculations when a price already includes tax.

State preset

Item price

Local add-on tax (%)

Mode

Tax summary

🎯 Common Use Cases

Compare checkout totals across states

Add local tax on top of state presets

Reverse a tax-included shelf price

Estimate online or in-store purchase totals

Are these official jurisdiction tables?

No. They are practical state-level presets for estimation. Always verify official local rates before filing taxes or pricing at scale.

Can I add city or county tax?

Yes. Use the local add-on field to model extra local tax above the state preset.

Does this tool keep data locally?

Yes. All calculations run in your browser without sending your numbers anywhere.