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長さと距離 換算器
メートル、フィート、インチ、マイル、キロメートル、海里、天文距離を換算。
ui.popularConversions - 長さと距離
基準と換算係数
長さと距離 基準と換算係数
基準単位： メートル (m)
| 単位名 | 記号 | 分類 | 換算値（ メートル | 説明 |
|---|---|---|---|---|
| キロメートル | km | 🔹 Metric (SI) | 1 km = 1,000 m | 1 kilometer = 1,000 meters |
| ヘクトメートル | hm | 🔹 Metric (SI) | 1 hm = 100 m | 1 hectometer = 100 meters |
| デカメートル | dam | 🔹 Metric (SI) | 1 dam = 10 m | 1 decameter = 10 meters |
| メートル | m | 🔹 Metric (SI) | 1 m = 1 m | SI base unit of length |
| デシメートル | dm | 🔹 Metric (SI) | 1 dm = 0.1 m | 1 decimeter = 0.1 meters |
| センチメートル | cm | 🔹 Metric (SI) | 1 cm = 0.01 m | 1 centimeter = 0.01 meters |
| ミリメートル | mm | 🔹 Metric (SI) | 1 mm = 0.001 m | 1 millimeter = 0.001 meters |
| マイクロメートル (ミクロン) | µm | 🔹 Metric (SI) | 1 µm = 0.000001 m | 1 micron = 10⁻⁶ meters |
| ナノメートル | nm | 🔹 Metric (SI) | 1 nm = 1.0000e-9 m | 1 nanometer = 10⁻⁹ meters |
| ピコメートル | pm | 🔹 Metric (SI) | 1 pm = 1.0000e-12 m | 1 picometer = 10⁻¹² meters |
| フェムトメートル (フェルミ) | fm | 🔹 Metric (SI) | 1 fm = 1.0000e-15 m | 1 femtometer = 10⁻¹⁵ meters |
| オングストローム | Å | 🔹 Metric (SI) | 1 Å = 1.0000e-10 m | 1 angstrom = 10⁻¹⁰ meters (0.1 nm) |
| 海里 (ノティカルマイル) | nmi | 🏛️ Imperial & US Customary | 1 nmi = 1,852 m | 1 international nautical mile = 1,852 meters |
| マイル | mi | 🏛️ Imperial & US Customary | 1 mi = 1,609.344 m | 1 statute mile = 5,280 ft = 1,609.344 m |
| ヤード | yd | 🏛️ Imperial & US Customary | 1 yd = 0.9144 m | 1 yard = 3 feet = 0.9144 m |
| フィート | ft | 🏛️ Imperial & US Customary | 1 ft = 0.3048 m | 1 foot = 12 inches = 0.3048 m |
| インチ | in | 🏛️ Imperial & US Customary | 1 in = 0.0254 m | 1 inch = 2.54 cm = 0.0254 m |
| ファゾム (尋) | ftm | 🏛️ Imperial & US Customary | 1 ftm = 1.8288 m | 1 fathom = 6 feet = 2 yards = 1.8288 m |
| ミル (千分の一インチ) | mil | 🏛️ Imperial & US Customary | 1 mil = 0.0000254 m | 1 mil = 0.001 inch = 25.4 µm |
| リーグ | lea | 📐 Land & Surveying | 1 lea = 4,828.032 m | 1 land league = 3 statute miles = 4,828.032 m |
| ハロン (ファーロング) | fur | 📐 Land & Surveying | 1 fur = 201.168 m | 1 furlong = 660 feet = 1/8 mile = 201.168 m |
| チェーン | ch | 📐 Land & Surveying | 1 ch = 20.1168 m | 1 surveyor’s chain = 66 feet = 4 rods = 100 links |
| ロッド (ポール) | rd | 📐 Land & Surveying | 1 rd = 5.0292 m | 1 rod = 16.5 feet = 5.5 yards = 5.0292 m |
| リンク | li | 📐 Land & Surveying | 1 li = 0.201168 m | 1 surveyor’s link = 7.92 inches = 0.201168 m |
| メガパーセク | Mpc | 🌌 Astronomical Distances | 1 Mpc = 3.0857e+22 m | 1 megaparsec = 1,000,000 parsecs |
| キロパーセク | kpc | 🌌 Astronomical Distances | 1 kpc = 3.0857e+19 m | 1 kiloparsec = 1,000 parsecs |
| パーセク | pc | 🌌 Astronomical Distances | 1 pc = 3.0857e+16 m | 1 parsec = ~3.26156 light-years |
| 光年 | ly | 🌌 Astronomical Distances | 1 ly = 9.4607e+15 m | Distance light travels in vacuum in 1 Julian year |
| 天文単位 (AU) | AU | 🌌 Astronomical Distances | 1 AU = 149,597,870,700 m | Mean distance from Earth to Sun = 149,597,870,700 m |
| キュビット | cubit | 🏺 Traditional & Historical | 1 cubit = 0.4572 m | Standard historical cubit = 18 inches = 0.4572 m |
| バラ (スペイン) | vara | 🏺 Traditional & Historical | 1 vara = 0.835905 m | Traditional Spanish / Latin American vara (~33 inches) |
| スケイン (綛) | skein | 🏺 Traditional & Historical | 1 skein = 109.728 m | Traditional textile skein = 120 yards = 109.728 m |
| スパン (手幅) | span | 🏺 Traditional & Historical | 1 span = 0.2286 m | Traditional span = 9 inches = 0.2286 m |
| ハンド (馬高単位) | hand | 🏺 Traditional & Historical | 1 hand = 0.1016 m | Standard equestrian hand = 4 inches = 0.1016 m |
| パーム | palm | 🏺 Traditional & Historical | 1 palm = 0.0762 m | Traditional palm width = 3 inches = 0.0762 m |
| フィンガー (指幅) | finger | 🏺 Traditional & Historical | 1 finger = 0.022225 m | Traditional finger width = 7/8 inch = 0.022225 m |
| バーリーコーン (大麦粒) | barleycorn | 🏺 Traditional & Historical | 1 barleycorn = 0.00846667 m | Traditional barleycorn = 1/3 inch ≈ 8.47 mm |
| パイカ | pica | ✒️ Typography & Printing | 1 pica = 0.00423333 m | 1 pica = 12 points = 1/6 inch ≈ 4.233 mm |
| ポイント (pt) | pt | ✒️ Typography & Printing | 1 pt = 0.00035278 m | 1 desktop publishing point = 1/72 inch ≈ 0.3528 mm |