Weight Conversion Chart

How to Use the Charts Below

  • To convert from one weight to another using the table below, first you must find the weight you are converting from in the left-most column.
  • Next, find the column heading that you want to convert to, and take note of the factor that’s in the same row.
  • Finally, simply multiply the number of “From” units by the factor where the two weights intersect.
From | To >Milligram (mg)Point (pt)Grain (gr)Carat (ct)Gram (g)Pennyweight (dwt)Ounce (oz)Troy Ounce (ozt)
1 Milligram10.50.0154320.0050.0010.0006430.000035270.00003215
1 Point210.0308650.010.0020.0012860.00007050.0000643
1 Grain64.832.3410.3240.06480.041670.0022860.00208
1 Carat2001003.086510.20.12860.007050.00643
1 Gram100050015.432510.6430.035270.03215
1 Pennyweight1555.2777.6247.7761.555210.054860.05
1 Ounce28349.514174.8437.5141.74828.349518.229210.91146
1 Troy Ounce31103.515551.7480155.51731.1035201.097141
Present Metal
Desired Metal10K Yellow10K White14K Yellow14K White18K Yellow18K WhiteSterling SilverPlatinum10% Ir PlatinumAlloy24K Fine GoldWax
10K Yellow1.0001.0450.8850.9180.7430.7901.2050.5390.5371.3770.59911.570
10K White0.9571.0000.8470.880.7110.7561.0570.5160.5141.3180.57311.070
14K Yellow1.1301.1811.0001.0360.8390.8931.2480.6090.6071.5560.67713.070
14K White1.0901.1390.9651.0000.8090.8611.2040.5880.5851.5010.65312.610
18K Yellow1.3471.4071.1921.2361.0001.0641.4880.7260.7231.8550.80615.580
18K White1.2651.3221.1201.1610.9401.0001.3980.6830.6801.7430.75814.640
Sterling0.9050.9460.8010.8300.6720.7151.0000.4880.4861.2460.54210.470
Platinum1.8541.9381.6411.7011.3771.4652.0491.0000.9962.5541.11021.450
10% Ir1.8621.9461.6481.7081.3831.4712.0571.0041.0002.5641.11521.540
Alloy0.7260.7590.6430.6660.5390.5740.8020.3920.3901.0000.4358.400
24K (Fine)1.6701.7451.4781.5321.2401.3201.8450.9010.8972.3001.00019.320