Convert 1 Molar to Millimolar

1 M (molar) is equal to 1,000 mM (millimolar). To convert from molar to millimolar, multiply by 1,000 or divide by 0.001.

• 1 M × 1000 = 1000 mM
• 1 M ÷ 0.001 = 1000 mM