Enter your kilogram (kg) value, select kg as the source unit — the pound (lb) result appears instantly. Formula: kg × 2.20462 = lb. Example: 70 kg = 154.32 lb. Copy the result with one tap. The exact factor is 1 kilogram = 2.20462262185 pounds.

Exactly 1 kilogram (kg) = 1,000 grams (g). This is a fixed metric definition — no rounding. In reverse: 1 g = 0.001 kg. Common references: 500 g = 0.5 kg; 250 g = 0.25 kg. The gram (g) and kilogram (kg) are both SI units, separated by a factor of 1,000.

Pounds to kilograms: lb ÷ 2.20462 = kg. Example: 180 lb = 81.65 kg. Kilograms to pounds: kg × 2.20462 = lb. Example: 65 kg = 143.3 lb. The converter handles both directions simultaneously — type in either unit and see all outputs update together.

Exactly 1 pound (lb) = 16 ounces (oz). In reverse: 1 oz = 0.0625 lb. In metric: 1 lb = 453.592 grams (g); 1 oz = 28.3495 g. Note: this applies to avoirdupois ounces used in everyday weight — distinct from troy ounces (31.10 g) used for precious metals.

mg to grams: mg ÷ 1,000 = g. Example: 500 mg = 0.5 g. Grams to mg: g × 1,000 = mg. Example: 2.5 g = 2,500 mg. The prefix "milli-" means one-thousandth — so milligram (mg) is one-thousandth of a gram. Commonly used for medications, vitamins, and laboratory quantities.

1 metric tonne (t) = 1,000 kilograms (kg). In pounds: 1 tonne = 2,204.62 lb. Note the distinction: a metric tonne (t) = 1,000 kg; a US short ton = 907.18 kg; a UK long ton = 1,016.05 kg. When someone says "ton" in everyday international contexts, they usually mean the metric tonne.

Ounces (oz) to grams (g): oz × 28.3495 = g. Example: 4 oz = 113.4 g. Grams to ounces: g ÷ 28.3495 = oz. Example: 200 g = 7.055 oz. This conversion is common in cooking — US recipes use oz while European and UK recipes often use grams (g).

UntangleTools Mass Converter supports: milligram (mg), gram (g), kilogram (kg), ounce (oz), pound (lb), stone (st), metric tonne (t), and troy ounce. Type any value, select the source unit, and every other unit's equivalent appears at once. One-click copy per result. Free, no login, works on mobile and desktop.

Pounds to stone: lb ÷ 14 = st. Example: 168 lb = 12 stone. Stone to kg: st × 6.35029 = kg. Example: 11 st = 69.85 kg. Stone (st) is a unit primarily used in the UK and Ireland for body weight — 1 stone = 14 pounds (lb) = 6.35 kilograms (kg).

1 avoirdupois ounce (oz) = 28.3495 grams (g) — the standard ounce used in food, body weight, and everyday measurement. Note: 1 troy ounce = 31.1035 grams — used exclusively for precious metals (gold, silver, platinum). Always confirm which ounce type is meant before converting jewellery or bullion weights.

Three steps: (1) Type or paste a mass value into the input — decimals are fully supported. (2) Choose the source unit from the dropdown: mg, g, kg, oz, lb, stone, or tonne. (3) All output units update instantly. Click the Copy button next to any row to copy that specific value. No page reload, no account, no install needed.

Yes. The tool converts freely between SI metric units (milligram / mg, gram / g, kilogram / kg, metric tonne / t) and imperial / US customary units (ounce / oz, pound / lb, stone / st). Select any unit as your input and all conversions — metric and imperial — appear simultaneously. No mode switching required.

Yes — all of them plus troy ounce. Complete unit list: milligram (mg), gram (g), kilogram (kg), ounce (oz), pound (lb), stone (st), metric tonne (t), troy ounce. Every unit is selectable as a source, and all others appear as output simultaneously. One-click copy on each row for fast paste-into-workflow use.

Yes. Decimal values are fully supported — enter 5.75 lb or 12.3 g and precision is maintained throughout. Example: 5.75 lb ÷ 2.20462 = 2.608 kg. 12.3 g ÷ 28.3495 = 0.434 oz. No rounding at the input stage — full 64-bit floating-point arithmetic used for all calculations.

Yes on both. All conversion factors use internationally defined exact values (e.g., 1 lb = 0.45359237 kg exactly, per the 1959 international definition). Results are computed with full floating-point precision. The tool is entirely free — no account, no paywall interrupting your workflow — available at untangletools.com/unit/category/mass.

Multiply kilograms by 1,000: kg × 1,000 = g. Examples: 1.5 kg = 1,500 g; 0.25 kg = 250 g; 3 kg = 3,000 g. In reverse: g ÷ 1,000 = kg. This is a pure metric-system rule — the prefix "kilo-" always means one thousand. No rounding, no approximation needed.

500 mg = 0.5 g. 250 mg = 0.25 g. Formula: mg ÷ 1,000 = g. More references: 100 mg = 0.1 g; 1,000 mg = 1 g; 2,500 mg = 2.5 g. In pounds and ounces: 500 mg ≈ 0.0176 oz ≈ 0.0011 lb. Common context: a standard vitamin C tablet is 500 mg = 0.5 grams (g).

Divide pounds by 2.20462: lb ÷ 2.20462 = kg. Practical examples: 1 lb = 0.454 kg; 2 lb = 0.907 kg; 5 lb = 2.268 kg. For US recipe-to-metric conversion: 1 lb flour ≈ 453 g; 1 lb butter = 454 g. The converter outputs kg, grams (g), and all other units simultaneously so you can see all relevant values at once.

UntangleTools Mass Converter is built for both. For students: instant kg↔g, mg↔g, lb↔kg with the formula visible in the FAQ. For engineers: high-precision decimals, metric tonne (t) support, troy ounce for material science, and one-click copy for pasting into reports or CAD. No login. Mobile-optimised. Always free at untangletools.com.

Yes. The layout is fully responsive with tap-friendly inputs and large Copy buttons sized for touchscreens. Open untangletools.com/unit/category/mass in any mobile browser — Chrome, Safari, Firefox — and it works immediately. Paste values from recipe apps or type directly. No app download, no account. Ideal for kitchen conversions between oz, grams (g), and kg while cooking.

Mass is the amount of matter in an object — measured in kilograms (kg), grams (g), or pounds (lb) — and is constant everywhere in the universe. Weight is the force gravity exerts on that mass — measured in Newtons (N). In everyday language, "weight" and "mass" are used interchangeably, and scales measure mass. On the Moon, your mass in kg stays the same, but your weight (in N) is about 1/6th of what it is on Earth.

Grams (g) measure mass; cups measure volume — so the conversion depends on the ingredient's density. Example: 1 cup of water = 240 g; 1 cup of flour = ~120–130 g; 1 cup of sugar = ~200 g; 1 cup of butter = ~227 g. There is no single universal g-to-cup formula. For precise baking, always weigh ingredients in grams (g) — this converter handles the mass side. For cup-to-gram tables by ingredient, see our dedicated cooking converter.

Multiply troy ounces by 31.1035: troy oz × 31.1035 = g. Examples: 1 troy oz = 31.10 g; 0.5 troy oz = 15.55 g; 10 troy oz = 311.0 g. Important: the troy ounce ≠ avoirdupois ounce. A regular oz = 28.35 g; a troy oz = 31.10 g (~9.7% heavier). All gold, silver, and platinum spot prices are quoted per troy ounce. This converter includes troy ounce as a selectable unit.

Because mass is mass — 1 kilogram (kg) is always 1 kilogram regardless of the material. The old riddle tricks people into confusing mass with volume or density. 1 kg of feathers and 1 kg of iron both exert the same gravitational pull on a scale. The feathers just take up far more space (lower density). Density = mass ÷ volume — the kg value stays constant; only the volume differs.

Currently the tool covers the most-used everyday and industrial units: mg, g, kg, oz (avoirdupois), lb, stone (st), metric tonne (t), and troy ounce. For reference: 1 carat = 0.2 grams (g) exactly (gemstone standard). Atomic mass unit (u or Da): 1 u = 1.66054 × 10⁻²⁷ kg. Advanced scientific units are on the roadmap — bookmark the page at untangletools.com/unit/category/mass for updates.