mmol/l How most of the world measures glucose levels	mg/dl How the U.S. measures glucose levels	How to interpret your reading
2.0	35	Extremely low - at risk of losing conciousness
3.0	55	Low -  marginal insulin reaction
4.0	75	Slightly low - some lethargy
5.5	100	IDEAL!
5 - 6	90-110	Normal reading before meals in nondiabetics
8.0	150	Normal reading after meals in nondiabetics
10.0	180	Maximum reading after meals in nondiabetics
11.0	200
15.0	270	A little high to very high depending on patient
16.5	300	Very high
20.0	360	Too high!
22	400	Maximum measurement for many meters and strips