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Urea: mg/dL to mmol/L

US labs print urea in mg/dL, most European labs in mmol/L. To convert, divide mg/dL by 6.006; to go back, multiply mmol/L by 6.006.

mg/dL
Same value in5mmol/L

mmol/L = mg/dL ÷ 6.006 · molar mass 60.06 g/mol

This converter changes units only. It doesn’t tell you whether a number is in or out of any range: that depends on the range printed by your own lab, and on your doctor. Soma does not diagnose and is not medical advice.

The formula

mg/dL → mmol/L
mmol/L = mg/dL ÷ 6.006
mmol/L → mg/dL
mg/dL = mmol/L × 6.006
Where 6.006 comes from
mg/dL counts the weight of urea in a volume of blood, mmol/L the number of molecules. One mole of urea weighs 60.06 g; with that and the difference in volume, one mmol/L is 6.006 mg/dL.

What the values mean

Typical ranges as the MedlinePlus Medical Encyclopedia gives them, in both units. They are for orientation only: your lab may use other ranges, and a result is read against the range printed on its own report.

Groupmg/dLmmol/L
Adults (from BUN 6–20 mg/dL)12.9–42.92.14–7.14

MedlinePlus gives this range as blood urea nitrogen (BUN), 6–20 mg/dL. The row above is the same range as urea: in mg/dL urea is BUN × 2.14, in mmol/L the two numbers are the same. BUN: mg/dL to mmol/L.

Source: BUN - blood test, MedlinePlus Medical Encyclopedia (U.S. National Library of Medicine), “Normal Results”. The second unit is converted here and rounded.

Common values, converted

Straight conversions, rounded. The table doesn’t mark any value as normal or not; your lab’s report gives its own range.

mg/dLmmol/L
10 mg/dL1.67 mmol/L
15 mg/dL2.5 mmol/L
20 mg/dL3.33 mmol/L
25 mg/dL4.16 mmol/L
30 mg/dL5 mmol/L
35 mg/dL5.83 mmol/L
40 mg/dL6.66 mmol/L
45 mg/dL7.49 mmol/L
50 mg/dL8.33 mmol/L
55 mg/dL9.16 mmol/L
60 mg/dL9.99 mmol/L
mmol/Lmg/dL
2 mmol/L12 mg/dL
3 mmol/L18 mg/dL
4 mmol/L24 mg/dL
5 mmol/L30 mg/dL
6 mmol/L36 mg/dL
7 mmol/L42 mg/dL
8 mmol/L48 mg/dL
9 mmol/L54.1 mg/dL
10 mmol/L60.1 mg/dL
Show all 126 values: 5–250 mg/dL in mmol/L
  • 5 mg/dL = 0.83 mmol/L
  • 6 mg/dL = 1 mmol/L
  • 7 mg/dL = 1.17 mmol/L
  • 8 mg/dL = 1.33 mmol/L
  • 9 mg/dL = 1.5 mmol/L
  • 10 mg/dL = 1.67 mmol/L
  • 11 mg/dL = 1.83 mmol/L
  • 12 mg/dL = 2 mmol/L
  • 13 mg/dL = 2.16 mmol/L
  • 14 mg/dL = 2.33 mmol/L
  • 15 mg/dL = 2.5 mmol/L
  • 16 mg/dL = 2.66 mmol/L
  • 17 mg/dL = 2.83 mmol/L
  • 18 mg/dL = 3 mmol/L
  • 19 mg/dL = 3.16 mmol/L
  • 20 mg/dL = 3.33 mmol/L
  • 21 mg/dL = 3.5 mmol/L
  • 22 mg/dL = 3.66 mmol/L
  • 23 mg/dL = 3.83 mmol/L
  • 24 mg/dL = 4 mmol/L
  • 25 mg/dL = 4.16 mmol/L
  • 26 mg/dL = 4.33 mmol/L
  • 27 mg/dL = 4.5 mmol/L
  • 28 mg/dL = 4.66 mmol/L
  • 29 mg/dL = 4.83 mmol/L
  • 30 mg/dL = 5 mmol/L
  • 31 mg/dL = 5.16 mmol/L
  • 32 mg/dL = 5.33 mmol/L
  • 33 mg/dL = 5.49 mmol/L
  • 34 mg/dL = 5.66 mmol/L
  • 35 mg/dL = 5.83 mmol/L
  • 36 mg/dL = 5.99 mmol/L
  • 37 mg/dL = 6.16 mmol/L
  • 38 mg/dL = 6.33 mmol/L
  • 39 mg/dL = 6.49 mmol/L
  • 40 mg/dL = 6.66 mmol/L
  • 41 mg/dL = 6.83 mmol/L
  • 42 mg/dL = 6.99 mmol/L
  • 43 mg/dL = 7.16 mmol/L
  • 44 mg/dL = 7.33 mmol/L
  • 45 mg/dL = 7.49 mmol/L
  • 46 mg/dL = 7.66 mmol/L
  • 47 mg/dL = 7.83 mmol/L
  • 48 mg/dL = 7.99 mmol/L
  • 49 mg/dL = 8.16 mmol/L
  • 50 mg/dL = 8.33 mmol/L
  • 51 mg/dL = 8.49 mmol/L
  • 52 mg/dL = 8.66 mmol/L
  • 53 mg/dL = 8.82 mmol/L
  • 54 mg/dL = 8.99 mmol/L
  • 55 mg/dL = 9.16 mmol/L
  • 56 mg/dL = 9.32 mmol/L
  • 57 mg/dL = 9.49 mmol/L
  • 58 mg/dL = 9.66 mmol/L
  • 59 mg/dL = 9.82 mmol/L
  • 60 mg/dL = 9.99 mmol/L
  • 61 mg/dL = 10.2 mmol/L
  • 62 mg/dL = 10.3 mmol/L
  • 63 mg/dL = 10.5 mmol/L
  • 64 mg/dL = 10.7 mmol/L
  • 65 mg/dL = 10.8 mmol/L
  • 66 mg/dL = 11 mmol/L
  • 67 mg/dL = 11.2 mmol/L
  • 68 mg/dL = 11.3 mmol/L
  • 69 mg/dL = 11.5 mmol/L
  • 70 mg/dL = 11.7 mmol/L
  • 71 mg/dL = 11.8 mmol/L
  • 72 mg/dL = 12 mmol/L
  • 73 mg/dL = 12.2 mmol/L
  • 74 mg/dL = 12.3 mmol/L
  • 75 mg/dL = 12.5 mmol/L
  • 76 mg/dL = 12.7 mmol/L
  • 77 mg/dL = 12.8 mmol/L
  • 78 mg/dL = 13 mmol/L
  • 79 mg/dL = 13.2 mmol/L
  • 80 mg/dL = 13.3 mmol/L
  • 81 mg/dL = 13.5 mmol/L
  • 82 mg/dL = 13.7 mmol/L
  • 83 mg/dL = 13.8 mmol/L
  • 84 mg/dL = 14 mmol/L
  • 85 mg/dL = 14.2 mmol/L
  • 86 mg/dL = 14.3 mmol/L
  • 87 mg/dL = 14.5 mmol/L
  • 88 mg/dL = 14.7 mmol/L
  • 89 mg/dL = 14.8 mmol/L
  • 90 mg/dL = 15 mmol/L
  • 91 mg/dL = 15.2 mmol/L
  • 92 mg/dL = 15.3 mmol/L
  • 93 mg/dL = 15.5 mmol/L
  • 94 mg/dL = 15.7 mmol/L
  • 95 mg/dL = 15.8 mmol/L
  • 96 mg/dL = 16 mmol/L
  • 97 mg/dL = 16.2 mmol/L
  • 98 mg/dL = 16.3 mmol/L
  • 99 mg/dL = 16.5 mmol/L
  • 100 mg/dL = 16.7 mmol/L
  • 105 mg/dL = 17.5 mmol/L
  • 110 mg/dL = 18.3 mmol/L
  • 115 mg/dL = 19.1 mmol/L
  • 120 mg/dL = 20 mmol/L
  • 125 mg/dL = 20.8 mmol/L
  • 130 mg/dL = 21.6 mmol/L
  • 135 mg/dL = 22.5 mmol/L
  • 140 mg/dL = 23.3 mmol/L
  • 145 mg/dL = 24.1 mmol/L
  • 150 mg/dL = 25 mmol/L
  • 155 mg/dL = 25.8 mmol/L
  • 160 mg/dL = 26.6 mmol/L
  • 165 mg/dL = 27.5 mmol/L
  • 170 mg/dL = 28.3 mmol/L
  • 175 mg/dL = 29.1 mmol/L
  • 180 mg/dL = 30 mmol/L
  • 185 mg/dL = 30.8 mmol/L
  • 190 mg/dL = 31.6 mmol/L
  • 195 mg/dL = 32.5 mmol/L
  • 200 mg/dL = 33.3 mmol/L
  • 205 mg/dL = 34.1 mmol/L
  • 210 mg/dL = 35 mmol/L
  • 215 mg/dL = 35.8 mmol/L
  • 220 mg/dL = 36.6 mmol/L
  • 225 mg/dL = 37.5 mmol/L
  • 230 mg/dL = 38.3 mmol/L
  • 235 mg/dL = 39.1 mmol/L
  • 240 mg/dL = 40 mmol/L
  • 245 mg/dL = 40.8 mmol/L
  • 250 mg/dL = 41.6 mmol/L
Show all 211 values: 1–40 mmol/L in mg/dL
  • 1 mmol/L = 6.01 mg/dL
  • 1.1 mmol/L = 6.61 mg/dL
  • 1.2 mmol/L = 7.21 mg/dL
  • 1.3 mmol/L = 7.81 mg/dL
  • 1.4 mmol/L = 8.41 mg/dL
  • 1.5 mmol/L = 9.01 mg/dL
  • 1.6 mmol/L = 9.61 mg/dL
  • 1.7 mmol/L = 10.2 mg/dL
  • 1.8 mmol/L = 10.8 mg/dL
  • 1.9 mmol/L = 11.4 mg/dL
  • 2 mmol/L = 12 mg/dL
  • 2.1 mmol/L = 12.6 mg/dL
  • 2.2 mmol/L = 13.2 mg/dL
  • 2.3 mmol/L = 13.8 mg/dL
  • 2.4 mmol/L = 14.4 mg/dL
  • 2.5 mmol/L = 15 mg/dL
  • 2.6 mmol/L = 15.6 mg/dL
  • 2.7 mmol/L = 16.2 mg/dL
  • 2.8 mmol/L = 16.8 mg/dL
  • 2.9 mmol/L = 17.4 mg/dL
  • 3 mmol/L = 18 mg/dL
  • 3.1 mmol/L = 18.6 mg/dL
  • 3.2 mmol/L = 19.2 mg/dL
  • 3.3 mmol/L = 19.8 mg/dL
  • 3.4 mmol/L = 20.4 mg/dL
  • 3.5 mmol/L = 21 mg/dL
  • 3.6 mmol/L = 21.6 mg/dL
  • 3.7 mmol/L = 22.2 mg/dL
  • 3.8 mmol/L = 22.8 mg/dL
  • 3.9 mmol/L = 23.4 mg/dL
  • 4 mmol/L = 24 mg/dL
  • 4.1 mmol/L = 24.6 mg/dL
  • 4.2 mmol/L = 25.2 mg/dL
  • 4.3 mmol/L = 25.8 mg/dL
  • 4.4 mmol/L = 26.4 mg/dL
  • 4.5 mmol/L = 27 mg/dL
  • 4.6 mmol/L = 27.6 mg/dL
  • 4.7 mmol/L = 28.2 mg/dL
  • 4.8 mmol/L = 28.8 mg/dL
  • 4.9 mmol/L = 29.4 mg/dL
  • 5 mmol/L = 30 mg/dL
  • 5.1 mmol/L = 30.6 mg/dL
  • 5.2 mmol/L = 31.2 mg/dL
  • 5.3 mmol/L = 31.8 mg/dL
  • 5.4 mmol/L = 32.4 mg/dL
  • 5.5 mmol/L = 33 mg/dL
  • 5.6 mmol/L = 33.6 mg/dL
  • 5.7 mmol/L = 34.2 mg/dL
  • 5.8 mmol/L = 34.8 mg/dL
  • 5.9 mmol/L = 35.4 mg/dL
  • 6 mmol/L = 36 mg/dL
  • 6.1 mmol/L = 36.6 mg/dL
  • 6.2 mmol/L = 37.2 mg/dL
  • 6.3 mmol/L = 37.8 mg/dL
  • 6.4 mmol/L = 38.4 mg/dL
  • 6.5 mmol/L = 39 mg/dL
  • 6.6 mmol/L = 39.6 mg/dL
  • 6.7 mmol/L = 40.2 mg/dL
  • 6.8 mmol/L = 40.8 mg/dL
  • 6.9 mmol/L = 41.4 mg/dL
  • 7 mmol/L = 42 mg/dL
  • 7.1 mmol/L = 42.6 mg/dL
  • 7.2 mmol/L = 43.2 mg/dL
  • 7.3 mmol/L = 43.8 mg/dL
  • 7.4 mmol/L = 44.4 mg/dL
  • 7.5 mmol/L = 45 mg/dL
  • 7.6 mmol/L = 45.6 mg/dL
  • 7.7 mmol/L = 46.2 mg/dL
  • 7.8 mmol/L = 46.8 mg/dL
  • 7.9 mmol/L = 47.4 mg/dL
  • 8 mmol/L = 48 mg/dL
  • 8.1 mmol/L = 48.6 mg/dL
  • 8.2 mmol/L = 49.2 mg/dL
  • 8.3 mmol/L = 49.8 mg/dL
  • 8.4 mmol/L = 50.5 mg/dL
  • 8.5 mmol/L = 51.1 mg/dL
  • 8.6 mmol/L = 51.7 mg/dL
  • 8.7 mmol/L = 52.3 mg/dL
  • 8.8 mmol/L = 52.9 mg/dL
  • 8.9 mmol/L = 53.5 mg/dL
  • 9 mmol/L = 54.1 mg/dL
  • 9.1 mmol/L = 54.7 mg/dL
  • 9.2 mmol/L = 55.3 mg/dL
  • 9.3 mmol/L = 55.9 mg/dL
  • 9.4 mmol/L = 56.5 mg/dL
  • 9.5 mmol/L = 57.1 mg/dL
  • 9.6 mmol/L = 57.7 mg/dL
  • 9.7 mmol/L = 58.3 mg/dL
  • 9.8 mmol/L = 58.9 mg/dL
  • 9.9 mmol/L = 59.5 mg/dL
  • 10 mmol/L = 60.1 mg/dL
  • 10.1 mmol/L = 60.7 mg/dL
  • 10.2 mmol/L = 61.3 mg/dL
  • 10.3 mmol/L = 61.9 mg/dL
  • 10.4 mmol/L = 62.5 mg/dL
  • 10.5 mmol/L = 63.1 mg/dL
  • 10.6 mmol/L = 63.7 mg/dL
  • 10.7 mmol/L = 64.3 mg/dL
  • 10.8 mmol/L = 64.9 mg/dL
  • 10.9 mmol/L = 65.5 mg/dL
  • 11 mmol/L = 66.1 mg/dL
  • 11.1 mmol/L = 66.7 mg/dL
  • 11.2 mmol/L = 67.3 mg/dL
  • 11.3 mmol/L = 67.9 mg/dL
  • 11.4 mmol/L = 68.5 mg/dL
  • 11.5 mmol/L = 69.1 mg/dL
  • 11.6 mmol/L = 69.7 mg/dL
  • 11.7 mmol/L = 70.3 mg/dL
  • 11.8 mmol/L = 70.9 mg/dL
  • 11.9 mmol/L = 71.5 mg/dL
  • 12 mmol/L = 72.1 mg/dL
  • 12.1 mmol/L = 72.7 mg/dL
  • 12.2 mmol/L = 73.3 mg/dL
  • 12.3 mmol/L = 73.9 mg/dL
  • 12.4 mmol/L = 74.5 mg/dL
  • 12.5 mmol/L = 75.1 mg/dL
  • 12.6 mmol/L = 75.7 mg/dL
  • 12.7 mmol/L = 76.3 mg/dL
  • 12.8 mmol/L = 76.9 mg/dL
  • 12.9 mmol/L = 77.5 mg/dL
  • 13 mmol/L = 78.1 mg/dL
  • 13.1 mmol/L = 78.7 mg/dL
  • 13.2 mmol/L = 79.3 mg/dL
  • 13.3 mmol/L = 79.9 mg/dL
  • 13.4 mmol/L = 80.5 mg/dL
  • 13.5 mmol/L = 81.1 mg/dL
  • 13.6 mmol/L = 81.7 mg/dL
  • 13.7 mmol/L = 82.3 mg/dL
  • 13.8 mmol/L = 82.9 mg/dL
  • 13.9 mmol/L = 83.5 mg/dL
  • 14 mmol/L = 84.1 mg/dL
  • 14.1 mmol/L = 84.7 mg/dL
  • 14.2 mmol/L = 85.3 mg/dL
  • 14.3 mmol/L = 85.9 mg/dL
  • 14.4 mmol/L = 86.5 mg/dL
  • 14.5 mmol/L = 87.1 mg/dL
  • 14.6 mmol/L = 87.7 mg/dL
  • 14.7 mmol/L = 88.3 mg/dL
  • 14.8 mmol/L = 88.9 mg/dL
  • 14.9 mmol/L = 89.5 mg/dL
  • 15 mmol/L = 90.1 mg/dL
  • 15.1 mmol/L = 90.7 mg/dL
  • 15.2 mmol/L = 91.3 mg/dL
  • 15.3 mmol/L = 91.9 mg/dL
  • 15.4 mmol/L = 92.5 mg/dL
  • 15.5 mmol/L = 93.1 mg/dL
  • 15.6 mmol/L = 93.7 mg/dL
  • 15.7 mmol/L = 94.3 mg/dL
  • 15.8 mmol/L = 94.9 mg/dL
  • 15.9 mmol/L = 95.5 mg/dL
  • 16 mmol/L = 96.1 mg/dL
  • 16.1 mmol/L = 96.7 mg/dL
  • 16.2 mmol/L = 97.3 mg/dL
  • 16.3 mmol/L = 97.9 mg/dL
  • 16.4 mmol/L = 98.5 mg/dL
  • 16.5 mmol/L = 99.1 mg/dL
  • 16.6 mmol/L = 99.7 mg/dL
  • 16.7 mmol/L = 100.3 mg/dL
  • 16.8 mmol/L = 100.9 mg/dL
  • 16.9 mmol/L = 101.5 mg/dL
  • 17 mmol/L = 102.1 mg/dL
  • 17.1 mmol/L = 102.7 mg/dL
  • 17.2 mmol/L = 103.3 mg/dL
  • 17.3 mmol/L = 103.9 mg/dL
  • 17.4 mmol/L = 104.5 mg/dL
  • 17.5 mmol/L = 105.1 mg/dL
  • 17.6 mmol/L = 105.7 mg/dL
  • 17.7 mmol/L = 106.3 mg/dL
  • 17.8 mmol/L = 106.9 mg/dL
  • 17.9 mmol/L = 107.5 mg/dL
  • 18 mmol/L = 108.1 mg/dL
  • 18.1 mmol/L = 108.7 mg/dL
  • 18.2 mmol/L = 109.3 mg/dL
  • 18.3 mmol/L = 109.9 mg/dL
  • 18.4 mmol/L = 110.5 mg/dL
  • 18.5 mmol/L = 111.1 mg/dL
  • 18.6 mmol/L = 111.7 mg/dL
  • 18.7 mmol/L = 112.3 mg/dL
  • 18.8 mmol/L = 112.9 mg/dL
  • 18.9 mmol/L = 113.5 mg/dL
  • 19 mmol/L = 114.1 mg/dL
  • 19.1 mmol/L = 114.7 mg/dL
  • 19.2 mmol/L = 115.3 mg/dL
  • 19.3 mmol/L = 115.9 mg/dL
  • 19.4 mmol/L = 116.5 mg/dL
  • 19.5 mmol/L = 117.1 mg/dL
  • 19.6 mmol/L = 117.7 mg/dL
  • 19.7 mmol/L = 118.3 mg/dL
  • 19.8 mmol/L = 118.9 mg/dL
  • 19.9 mmol/L = 119.5 mg/dL
  • 20 mmol/L = 120.1 mg/dL
  • 21 mmol/L = 126.1 mg/dL
  • 22 mmol/L = 132.1 mg/dL
  • 23 mmol/L = 138.1 mg/dL
  • 24 mmol/L = 144.1 mg/dL
  • 25 mmol/L = 150.2 mg/dL
  • 26 mmol/L = 156.2 mg/dL
  • 27 mmol/L = 162.2 mg/dL
  • 28 mmol/L = 168.2 mg/dL
  • 29 mmol/L = 174.2 mg/dL
  • 30 mmol/L = 180.2 mg/dL
  • 31 mmol/L = 186.2 mg/dL
  • 32 mmol/L = 192.2 mg/dL
  • 33 mmol/L = 198.2 mg/dL
  • 34 mmol/L = 204.2 mg/dL
  • 35 mmol/L = 210.2 mg/dL
  • 36 mmol/L = 216.2 mg/dL
  • 37 mmol/L = 222.2 mg/dL
  • 38 mmol/L = 228.2 mg/dL
  • 39 mmol/L = 234.2 mg/dL
  • 40 mmol/L = 240.2 mg/dL

About the test

Urea is the end product of protein metabolism, cleared by the kidneys. It also depends on how much protein you eat and how much you drink.

About the urea test · BUN (Blood Urea Nitrogen) — MedlinePlus (U.S. National Library of Medicine).

Questions

Urea: what levels are typical?

MedlinePlus gives these typical ranges: Adults (from BUN 6–20 mg/dL): 12.9–42.9 mg/dL (2.14–7.14 mmol/L). Labs differ in method, so your lab may use other ranges; the one on your report is the one to go by.

How do I convert urea from mg/dL to mmol/L?

Divide mg/dL by 6.006. For example, 30 mg/dL is 5 mmol/L.

How do I convert urea from mmol/L to mg/dL?

Multiply mmol/L by 6.006. For example, 6 mmol/L is 36 mg/dL.

Why is the factor 6.006?

It follows from the molar mass of urea, 60.06 g/mol, and from the volume each unit counts in.

Why does my lab’s urea range differ from another lab’s?

Each lab sets its range for its own method and equipment, and many ranges differ by age and sex. That’s why a result is best read against the range printed on the same report.

Related conversions

Urea 30 mg/dL= 5 mmol/L

Soma converts straight from the PDF

Share a lab report to Soma, and it reads every row on your phone and converts the units for you, so a Quest result in mg/dL and a Synlab result in mmol/L sit on one chart, each against its own lab’s range. No account, nothing uploaded.

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Sources: PubChem: Urea (urea), molar mass 60.06 g/mol; the test description from MedlinePlus. Mention of a source doesn’t mean it endorses Soma.