Edit either value. Decimals and scientific notation supported.
1
mg
Decimal
Stone + pounds
Whole stone; pounds from 0 to less than 14. Non-negative values.
esc
Kilogramkg
Gramg
Milligrammg
Microgramµg
Poundlb
Ounceoz
Stonest
Metric tonnet
US short tonton (US)
Imperial long tonton (UK)
Imperial hundredweightcwt (UK)
US hundredweightcwt (US)
Imperial quarterqr (UK)
Avoirdupois dramdr (av)
Graingr
Pennyweightdwt
Troy ounceoz t
Metric quintalq
No units found. Try a name or symbol.
Stone + pounds
0.0006430149314
dwt
Decimal
Stone + pounds
Whole stone; pounds from 0 to less than 14. Non-negative values.
esc
Kilogramkg
Gramg
Milligrammg
Microgramµg
Poundlb
Ounceoz
Stonest
Metric tonnet
US short tonton (US)
Imperial long tonton (UK)
Imperial hundredweightcwt (UK)
US hundredweightcwt (US)
Imperial quarterqr (UK)
Avoirdupois dramdr (av)
Graingr
Pennyweightdwt
Troy ounceoz t
Metric quintalq
No units found. Try a name or symbol.
Stone + pounds
CONVERSION
1 mg ≈ 0.0006430149314 dwt
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAdwt = mg × 0.00064301493137256
FORMULA & EXAMPLES
How to convert Milligrams to pennyweights
dwt = mg × 0.00064301493137256
Multiply the mg reading by 0.00064301493137256.
Worked examples
1 mg ≈ 0.0006430149314 dwt
1 × 0.00064301493137256 ≈ 0.0006430149314
1000 mg ≈ 0.6430149314 dwt
1000 × 0.00064301493137256 ≈ 0.6430149314
Milligrams to pennyweights table
Fixed reference · Milligram to Pennyweight
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Milligram (mg)
Pennyweight (dwt)
0
0
0.1
0.00006430149314
0.5
0.0003215074657
1
0.0006430149314
2
0.001286029863
5
0.003215074657
10
0.006430149314
25
0.01607537328
50
0.03215074657
100
0.06430149314
1000
0.6430149314
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.