Računalo gostote
Reševanje za gostoto, maso ali volumen, z izbirami enot in tabelo materialov.
Rezultati posodabljajo, ko tipkate.
O tem kalkulatorju
Density measures how much mass is packed into a given volume: ρ = m / V. Rearranged, the mass of an object is m = ρ × V and the volume it occupies is V = m / ρ. This calculator lets you solve for any one of the three, entering the other two in whatever units you have — grams, kilograms, pounds and ounces for mass, and cm³/mL, litres or m³ for volume — and returns the density in both g/cm³ and the SI unit kg/m³ (1 g/cm³ = 1,000 kg/m³).
As a worked example, a 100 g object occupying 50 cm³ has a density of 100 / 50 = 2 g/cm³ (2,000 kg/m³) — a bit less dense than aluminium. Because pure water is very close to 1 g/cm³, the calculator also tells you whether a material floats: anything below about 1 g/cm³ floats, anything above sinks, and something right at 1 g/cm³ is neutrally buoyant. A built-in table lists common densities for comparison — ice 0.92, oak 0.75, water 1.00, aluminium 2.70, iron 7.87, lead 11.34 and gold 19.32 g/cm³.
Density is used to identify materials, check the purity of metals and gemstones, work out whether an object will float or sink, convert between the mass and volume of fuels and liquids, and calculate the load a structure or vessel must carry. Because it is an intensive property — independent of the amount of material — a small sample gives the same density as a large one, which is what makes it such a reliable fingerprint for a substance.
Pogosta vprašanja
Kakšna je formula gostote?
Gostota je enaka masi, deljeni z volumnom, Δ = m / V. Popravek mase = λ × V in volumen = m / λ.
Katere enote uporabljajo?
Privzeto je, da grami in kubični centimetri (1 cm3 = 1 ml) dajejo gostoto v g/cm3. Čista voda je približno 1 g/cm3, tako gostejši kot vodni materiali, ki so prebrani nad 1 in plavajo spodaj.
Ali bo material pluval ali potonil v vodi?
Primerjajte njegovo gostoto z ± 1 g/cm3 vode. Spodaj plava (led pri 0,92, hrast pri 0,75), na njej je nevtralno plutajoča, nad aluminijem pa (aluminij 2,70, železo 7.87). Računalo navaja, da se uporablja primer.
Kako pretvoriti g/cm3 v kg/m3?
Pomnoži s 1.000: 1 g/cm3 je enako 1.000 kg/m3. Orodje prikazuje oba, tako da je 2 g/cm3 material prikazan tudi kot 2.000 kg/m3.
Kako naj najdem maso ali volumen namesto gostote?
Preklopite "soli za" na maso ali volumen. Masa je Δ × V in volumen je m / Δ, tako da je material 2 g/cm3 polnjenje 50 cm3 masa 100 g.
Se gostota spreminja s temperaturo?
Večina materialov se po ogrevanju širi, zato se njihova gostota zvišuje s temperaturo. Voda je nenavadna – je najgustjša pri približno 4 °C – zato se led zmrzne od vrha navzdol.
API – uporabi ta kalkulator iz kode
Poišči ta kalkulator kot brezplačni končni cilj JSON – ni potreben ključ. Pošljite spodnje vrednosti polja kot parametre za poizvedovanje ali JSON. Vse, kar opustite, uporablja enako privzeto. Ta stran je napolnjena z; neznani parameter je 400, nikoli ne tiho ničlo. Preberite celoten API docs →
Končna točka
GET https://calculator.free/api/v1/density/curl
curl "https://calculator.free/api/v1/density/?solve=density&mass=100&volume=50&density=2"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/density/?" + new URLSearchParams({
"solve": "density",
"mass": "100",
"volume": "50",
"density": "2"
}));
const data = await r.json();
console.log(data.results);Rezultati so ocene za splošne smernice, ne pa za finančne, zdravniške ali davčne nasvete.