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Concentration Converter

By KAMP Inc. / UnitOwl · Last reviewed: April 3, 2026

Amount

From

To

Result

1,000 ppb

1 ppm = 1,000 ppb

Popular Concentration Conversions

PPM to Percent Percent to PPM PPM to PPB PPB to PPM PPM to mg/L mg/L to g/L

Sources & References

NIST — Units and Conversion Factors — Official unit conversion factors from the National Institute of Standards and Technology.
BIPM — The International System of Units (SI) — International SI unit definitions from the International Bureau of Weights and Measures.