### Convert Marks to:

- Marks to
**Attograms**- 1 Attogram is exactly 10
^{-21}kilograms (SI unit). As per the prefix*atto*it is a quintillionth of a gram; a gram is a thousandth of a kilogram. 1 ag = 0.000000000000000000001 kg.

- 1 Attogram is exactly 10
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**Bags of Coffee**- One bag of coffee is exactly 60kg

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**Bags of Portland Cement**- One bag of portland cement weighs 94 lb av by definition.

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**Barges**- One barge is exactly 22.5 short tons by definition.

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**Carats**- One Carat (kt) is equal to 3 1/6 grains (gr).

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**Carats (metric)**- One metric carat (ct) is equal to 200mg or 0.2kg.

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**Centigrams**- 1 Centigram is exactly 0.00001 kilograms (SI unit). As per the prefix
*centi*it is a hundredth of a gram; a gram is a thousandth of a kilogram, the SI base unit of mass. 1 cg = 0.00001 kg.

- 1 Centigram is exactly 0.00001 kilograms (SI unit). As per the prefix
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**Cloves**- A clove is defined as 8 pounds (lb av).

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**Criths**- 1 Litre of Hydrogen measured at standard temperature and pressure. ≈89.9394 mg.

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**Decagrams**- 1 Decagram is exactly 0.01 kilograms (SI unit). As per the prefix
*deca*it is ten grams; a gram is a thousandth of a kilogram, the SI base unit of mass. 1 dag = 0.01 kg.

- 1 Decagram is exactly 0.01 kilograms (SI unit). As per the prefix
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**Decigrams**- 1 Decigram is exactly 0.0001 kilograms (SI unit). As per the prefix
*deci*it is a tenth of a gram; a gram is a thousandth of a kilogram, the SI base unit of mass. 1 dg = 0.0001 kg.

- 1 Decigram is exactly 0.0001 kilograms (SI unit). As per the prefix
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**Drams (avoirdupois)**- 1 dram (avoirdupois) is equal to 27 11/32 grains.

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**Drams troy**- 1 Dram (apothecary / troy) is exactly 60 grains.

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**Exagrams**- 1 Exagram is exactly 1000000000000000 kilograms (SI unit). As per the prefix
*exa*it is a quintillion grams; a gram is a thousandth of a kilogram, the SI base unit of mass. 1 Eg = 1000000000000000 kg.

- 1 Exagram is exactly 1000000000000000 kilograms (SI unit). As per the prefix
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**Femtograms**- 1 Femtogram is exactly 10
^{-18}kilograms (SI unit). As per the prefix*femto*it is a quadrillionth of a gram; a gram is a thousandth of a kilogram. 1 fg = 0.000000000000000001 kg.

- 1 Femtogram is exactly 10
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**Gigagrams**- 1 Gigagram is exactly 1000000 kilograms (SI unit). As per the prefix
*giga*it is a billion grams; a gram is a thousandth of a kilogram, the SI base unit of mass. 1 Gg = 1000000 kg.

- 1 Gigagram is exactly 1000000 kilograms (SI unit). As per the prefix
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**Gigatonnes**- 1 Gigatonne or metric gigaton (unit of mass) is equal to 1,000,000,000 metric tons. A metric ton is exactly 1000 kilograms (SI base unit) making a gigatonne equal to 1000000000000 kilograms. 1 Gt = 1000000000000 kg.

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**Grains**- 1 grain is equal to 64.79891 milligrams.

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**Grams**- 1/1000 of a kilogram.

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**Graves**- 1 Grave is equivalent to 1 kilogram. Grave (G) was the original French name for the kilogram when it was first introduced. 1 G = 1 kg.

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**Hectograms**- 1 Hectogram is exactly 0.1 kilograms (SI unit). As per the prefix
*hecto*it is a hundred grams; a gram is a thousandth of a kilogram, the SI base unit of mass. 1 hg = 0.01 kg.

- 1 Hectogram is exactly 0.1 kilograms (SI unit). As per the prefix
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**Hundredweights (long)**- 1 hundredweight (long) is equal to 112 pounds avoirdupois.

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**Hundredweights (short)**- 1 hundredweight (short) is equal to 100 pounds avoirdupois.

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**Keels**- 47488 pounds of coal. Obsolete UK unit of weight of coal. 1 Keel = 21 540.194 466 56 kilograms (SI base unit).

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**Kilograms**- The kilogram is defined as being equal to the mass of the International Prototype Kilogram (IPK), which is almost exactly equal to the mass of one liter of water.

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**Kilotonne**- 1 Kilotonne or metric kiloton (unit of mass) is equal to 1000 metric tons. A metric ton is exactly 1000 kilograms (SI base unit) making a kilotonne equal to 1000000 kilograms. 1 kt = 1000000 kg.

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**Kips**- A kip is equal to 1000 pounds avourdupois.

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**Long Tons**- 2240 lb

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**Megagrams**- 1 Megagram is exactly 1000 kilograms (SI unit). As per the prefix
*mega*it is a million grams; a gram is a thousandth of a kilogram, the SI base unit of mass. 1 Mg = 1000 kg.

- 1 Megagram is exactly 1000 kilograms (SI unit). As per the prefix
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**Megatonnes**- 1 Megatonne or metric megaton (unit of mass) is equal to 1,000,000 metric tons. A metric ton is exactly 1000 kilograms (SI base unit) making a megatonne equal to 1000000000 kilograms. 1 Mt = 1000000000 kg.

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**Micrograms**- 1 Microgram is exactly 0.000000001 kilograms (SI unit). As per the prefix
*micro*it is a millionth of a gram; a gram is a thousandth of a kilogram, the SI base unit of mass. 1 µg = 0.000000001 kg.

- 1 Microgram is exactly 0.000000001 kilograms (SI unit). As per the prefix
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**Milligrams**- 1 x 10
^{-6}kilograms.

- 1 x 10
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**Mites**- Exactly 1/20 of a grain.

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**Mites (metric)**- Exactly 1/20 of a gram, 50 milligrams.

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**Nanograms**- 1 Nanogram is exactly 0.000000000001 kilograms (SI unit). As per the prefix
*nano*it is a billionth of a gram; a gram is a thousandth of a kilogram. 1 ng = 0.000000000001 kg.

- 1 Nanogram is exactly 0.000000000001 kilograms (SI unit). As per the prefix
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**Newtons**- 1 Newton in Earth gravity is the equivalent weight of 1/9.80665 kg on Earth. This is derived using Newton's second law
*f=ma*and assuming Earth gravity of 9.80665 m/s^{2}. 1 N (Earth) = 0.101971621297793 kg.

- 1 Newton in Earth gravity is the equivalent weight of 1/9.80665 kg on Earth. This is derived using Newton's second law
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**Ounces**- 1/16 lb

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**Ounces (apothecary; troy)**- 1/12 pounds troy.

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**Ounces (U.S. food nutrition labeling)**- Mass of exactly 28 grams. Expressed in SI base units this is 0.028 kilograms (kg).

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**Pennyweight**- 1/20 oz t

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**Petagrams**- 1 Petagram is exactly 1000000000000 kilograms (SI unit). As per the prefix
*peta*it is a quadrillion grams; a gram is a thousandth of a kilogram, the SI base unit of mass. 1 Pg = 1000000000000 kg.

- 1 Petagram is exactly 1000000000000 kilograms (SI unit). As per the prefix
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**Petatonnes**- 1 Petatonne or metric petaton (unit of mass) is equal to 1,000,000,000,000,000 metric tons. A metric ton is exactly 1000 kilograms (SI base unit) making a petatonne equal to 1000000000000000000 kilograms. 1 Pt = 1000000000000000000 kg.

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**Picograms**- 1 Picogram is exactly 0.000000000000001 kilograms (SI unit). As per the prefix
*pico*it is a trillionth of a gram; a gram is a thousandth of a kilogram. 1 pg = 0.000000000000001 kg.

- 1 Picogram is exactly 0.000000000000001 kilograms (SI unit). As per the prefix
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**Points**- 1/100 ct.

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**Pounds**- 7000 grains

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**Pounds (metric)**- 1 Metric pound is equal to 500 grams.

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**Pounds (troy)**- 1 pounds troy is 5760 grains.

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**Quarters**- 1/4 of a hundredweight (long)

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**Quarters (long)**- 1 Quarter (long) is 1/4 of a long ton.

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**Quarters (short)**- 1 Quarter is 1/4 of a short ton.

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**Quintals**- 1 Quintal is equal to 100 kilograms.

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**Scruples**- 1 Scruple is equal to 20 grains.

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**Sheets**- 1 Sheet is equal to 1/700 pound (avoirdupois).

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**Short Tons**- 2000 lb

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**Slugs**- = 1 gee x 1 lb av x 1s
^{2}/ft

- = 1 gee x 1 lb av x 1s
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**Stones**- 14 lb av

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**Teragrams**- 1 Teragram is exactly 1000000000 kilograms (SI unit). As per the prefix
*tera*it is a trillion grams; a gram is a thousandth of a kilogram, the SI base unit of mass. 1 Tg = 1000000000 kg.

- 1 Teragram is exactly 1000000000 kilograms (SI unit). As per the prefix
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**Teratonnes**- 1 Teratonne or metric teraton (unit of mass) is equal to 1,000,000,000,000 metric tons. A metric ton is exactly 1000 kilograms (SI base unit) making a teratonne equal to 1000000000000000 kilograms. 1 Tt = 1000000000000000 kg.

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**Ton, Assay (long)**- = 1 mg x 1 long tn / 1 oz t

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**Ton, Assay (short)**- = 1 mg x 1 sh tn / 1 oz t

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**Tonnes**- 1000 kg

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**Weys**- = 252 lb = 18 st. (possible variations)

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**Yoctograms**- 1 Yoctogram is exactly 10
^{-27}kilograms (SI unit). As per the prefix*yocto*it is a septillionth of a gram; a gram is a thousandth of a kilogram. 1 yg = 0.000000000000000000000000001 kg.

- 1 Yoctogram is exactly 10
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**Yottagrams**- 1 Yottagram is exactly 10
^{21}kilograms (SI unit). As per the prefix*yotta*it is a septillion grams; a gram is a thousandth of a kilogram. 1 Yg = 1000000000000000000000 kg.

- 1 Yottagram is exactly 10
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**Zeptograms**- 1 Zeptogram is exactly 10
^{-24}kilograms (SI unit). As per the prefix*zepto*it is a sextillionth of a gram; a gram is a thousandth of a kilogram. 1 zg = 0.000000000000000000000001 kg.

- 1 Zeptogram is exactly 10
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**Zettagrams**- 1 Zettagram is exactly 10
^{18}kilograms (SI unit). As per the prefix*zetta*it is a sextillion grams; a gram is a thousandth of a kilogram. 1 Zg = 1000000000000000000 kg.

- 1 Zettagram is exactly 10