ZIP, geographic, cost-of-living, salary, population and currency calculators powered by public data sources.
Popular tools people often start with in this category.
Estimate straight-line distance between the geographic centers of two U.S. ZIP codes.
Calculate a radius around a U.S. ZIP code and identify nearby postal places returned by the ZIP data service.
Find the county associated with the geographic center of a U.S. ZIP code.
Browse the complete set of tools in this category.
Estimate straight-line distance between the geographic centers of two U.S. ZIP codes.
Calculate a radius around a U.S. ZIP code and identify nearby postal places returned by the ZIP data service.
Find the county associated with the geographic center of a U.S. ZIP code.
Estimate sales tax from a U.S. ZIP code using its state rate and 2026 statewide average local rate.
Compare state price levels using BEA Regional Price Parities and estimate an equivalent spending amount.
Estimate a cost-of-living-equivalent salary between two U.S. states using BEA Regional Price Parities.
Calculate population change, percent growth and annualized growth between two population counts.
Convert money between major currencies using the latest available reference exchange rate.
Convert an amount using an exchange rate from a selected historical date.
Compare two locations, estimate their elevations, straight-line distance and average grade between them.
Length, weight, volume, area, temperature and other quick everyday unit conversions. Use these tools for quick estimates, comparisons and everyday planning.