Bandwidth / Download Time Calculator
Kuwerengetsa nthawi yotsitsa kuchokera pa kukula kwa fayilo ndi kuthamanga kwa kulumikizana, ndi kusintha kwa ma throughput.
Zithunzizi zimasintha monga momwe mumalemba.
Zachidule
bandwidth calculator calculates the download time of a file over a connection of a given speed, and the key to getting it right is the bits-versus-bytes distinction. File sizes are quoted in bytes — KB, MB, GB, TB — while connection speeds are quoted in bits per second — Kbps, Mbps, Gbps — and a byte is 8 bits. So the download time is the file size converted to bits (× 8), divided by the effective bit rate of the link. That single factor of 8 why a connection’s headline number
Mafunso ofunsidwa nthawi zambiri
N'chifukwa chiyani download yanga ndi yochepa kuposa ulalo wanga?
Magalimoto amafotokozedwa mu megabits pa mphindi koma mafayilo amawerengedwa mu megabytes - byte ndi 8 bits, kotero liwiro la 100 Mbps limayenda pa 12.5 MB pa mphindi. Protocol overhead, bandwidth yogawana ndi zoletsa za seva zimachepetsanso, zomwe zimayambitsa mapangidwe a overhead.
Kodi pali kusiyana kotani pakati pa decimal ndi binary kukula?
Mayunitsi a decimal (ogwiritsa ntchito ndi ISPs ndi opanga ma drive) amaona kuti 1 KB ndi 1000 bytes; mayunitsi a binary amaona kuti 1 KiB ndi 1024 bytes. "1 TB" decimal drive ndi pafupifupi 931 binary GiB, kotero lamuloli limasintha nthawi yotumiza pang'ono.
Kodi ndingakonzekere Mbps kuti MB / s?
Kugawa ndi 8: 100 Mbps ÷ 8 = 12.5 MB / s. Calculator amachita izi mwamsanga ndi kudziwitsa nthawi yochokera m'masiku, maola, mphindi ndi masekondi.
Kodi ndingatani kuti ndipange protocol overhead kuti?
Kusinthanitsa kwachidziwitso kumatha kuwononga gawo la TCP / IP headers, handshakes ndi retransmissions. 5-10% ndi chilolezo choyenera cha kulumikizana kwa waya; kugwiritsa ntchito zambiri za Wi-Fi, mafoni kapena kulumikizana kwa mafoni.
N’chifukwa chiyani 1 GB si nthawi zonse ndi ofanana ndi idadi ya bytes?
Pambuyo decimal chisankho 1 GB ndi 1,000 bytes, koma machitidwe ogwiritsira ntchito nthawi zambiri kuwerengedwa mu binary kumene 1 GiB ndi 1,073,741,824 bytes. Sinthani byte-chisankho kugwirizana mmene wanu wapamwamba kukula anawerengedwa kwa nthawi yoyenera kutumiza.
Kodi kumatenga nthawi yayitali bwanji kuti ndizitsitsa fayilo yayikulu pa kulumikizana kwangu?
Kuphatikiza apo, ngati mukufuna kutsitsa masewera a 25 GB pa 100 Mbps, muyenera kulipira ndalama zokwana ma euro 100. Kuti mudziwe nthawi yomwe mudzayenera kulipira, dinani pa “Kutsitsa” pansi pa tsambali.
Kodi izi zimawerengera kuthamanga kwa intaneti yanga?
Sichoncho — imawerengera nthawi yolumikiza kuchokera pa liwiro lomwe mumapatsa, siyiyesa liwiro lanu. Yambitsani liwiro losiyana kuti mudziwe liwiro lanu labwino, kenako dinani kuti muwerengere nthawi yolumikiza.
API — kugwiritsa ntchito izi calculator kuchokera code
Kulemba izi calculator monga ufulu JSON endpoint - palibe chida zofunika. Kutumiza nyanja mfundo pansipa monga mafunso zigawo kapena JSON. Onani zonse API docs →
Chithunzi
GET https://calculator.free/api/v1/bandwidth/curl
curl "https://calculator.free/api/v1/bandwidth/?size=1&size_unit=GB&speed=100&speed_unit=Mbps"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/bandwidth/?" + new URLSearchParams({
"size": "1",
"size_unit": "GB",
"speed": "100",
"speed_unit": "Mbps"
}));
const data = await r.json();
console.log(data.results);Zimenezi ndi zowerengera zokhudzana ndi malangizo amtundu uliwonse, si zokhudzana ndi ndalama, zamoyo kapena zokhudzana ndi ndalama.