Convert 1 Gram per Liter to Milligram per Liter

1 g/L (Gram per Liter) is equal to 1,000 mg/L (Milligram per Liter). To convert from Gram per Liter to Milligram per Liter, multiply by 1,000 or divide by 0.001.

• 1 g/L × 1000 = 1000 mg/L
• 1 g/L ÷ 0.001 = 1000 mg/L