单位换算 计算器

在千克、磅、盎司、克等重量单位之间转换。输入任意重量——获得多单位对照表。免费。

在米、英尺、英寸、厘米等长度单位之间转换。输入任意长度——获得多单位对照表。免费。

在升、加仑、夸脱、毫升等体积单位之间转换。输入任意体积——获得多单位对照表。免费。

在米/秒、千米/时、英里/时、马赫等速度单位之间转换。输入速度——获得多单位对照表。免费。

在焦耳、千卡、千瓦时、BTU等能量单位之间转换。输入能量——获得多单位对照表。免费。

在帕、巴、psi、mmHg等压力单位之间转换。输入压力——获得多单位对照表。免费。

Watts, horsepower, BTU/hr and more. Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.

在牛顿、磅力、千克力等力的单位之间转换。输入力值——获得多单位对照表。免费。

在千克/立方米、克/立方厘米、磅/立方英尺等密度单位之间转换。输入密度——获得对照表。免费。

在度数、弧度、梯度等角度单位之间转换。输入角度——获得多单位对照表。免费。

在m/s²、g（重力加速度）、ft/s²等加速度单位之间转换。输入加速度——获得对照表。免费。

探索公制单位制（国际单位制SI）。浏览前缀——获得转换因数和科学计数法表示。免费。

将升转换为加仑（美制和英制）。输入升数——获得美制加仑、英制加仑和夸脱转换值。免费。

将加仑转换为升。输入美制或英制加仑——获得升和毫升转换值。免费。

将英里/时转换为千米/时。输入速度——获得千米/时、米/秒和马赫数转换值。免费。

将千米/时转换为英里/时。输入速度——获得英里/时、米/秒和节转换值。免费。

Convert watts to amperes at any voltage. Fast and accurate result with formula, step-by-step method and unit overview. Free tool.

Convert amperes to watts at any voltage. Fast and accurate result with formula, step-by-step method and unit overview. Free tool.

Convert pounds per square inch to bar. Fast and accurate result with formula, step-by-step method and unit overview. Free tool.

Convert bar to PSI and other pressure units. Enter bar — get PSI, kPa, atm, mmHg, and Pa equivalents with the exact conversion factor. Free.

Convert acres to hectares and square metres. Fast and accurate result with formula, step-by-step method and unit overview. Free tool.

Convert hectares to acres and square feet. Fast and accurate result with formula, step-by-step method and unit overview. Free tool.

Convert stone to kilograms and pounds. Enter stone (and pounds optionally) — get kilograms and the full imperial-metric comparison. Free.

Convert kilograms to stone and pounds. Fast and accurate result with formula, step-by-step method and unit overview. Free tool.

Convert nanometers to millimetres and microns. Fast and accurate result with formula, step-by-step method and unit overview. Free tool.

Convert grams to avoirdupois or troy ounces. Enter grams — get ounces with the exact factor (1 g = 0.03527 oz) and pound equivalents. Free.

Convert ounces to grams with the exact factor (1 oz = 28.35 g). Enter ounces — get grams, pounds, and kilogram equivalents shown. Free.

Convert US cups to millilitres and litres. Fast and accurate result with formula, step-by-step method and unit overview. Free tool.

将英尺转换为米。输入英尺数——获得米、厘米和英寸转换值。免费。

将英里转换为千米。输入英里数——获得千米和米转换值。免费。

将千米转换为英里。输入千米数——获得英里和海里转换值。免费。

Convert joules to calories and kilocalories. Enter energy in joules — see calories, kcal, and kWh equivalents. Free.

Convert between joules, calories, and food Calories (kcal). Enter any energy value — see all major unit equivalents with conversion factors. Free.

Convert kilowatt-hours to joules and other energy units. Enter kWh — see joules, calories, BTU, and eV equivalents. Free.

Convert litres to US fluid ounces. Fast and accurate result with formula, step-by-step method and unit overview. Free tool.

Convert miles per hour to metres per second. Full formula with variable legend, worked example and step-by-step chemistry solution.

Convert revolutions per minute to radians per second. Fast and accurate result with formula, step-by-step method and unit overview. Free tool.

Convert angular velocity between rev/s, rad/s, deg/s and rpm. Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.

Convert moment of inertia between kg.m2, lb.ft2, and g.cm2. Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.

Convert dynamic viscosity between Pa.s, cP, and kg/(m.s). Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.

Convert electrical conductance between siemens, mho, and S. Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.

Convert magnetic flux between weber, maxwell, and Wb. Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.

Convert specific heat capacity between J/(kg.K), cal/(g.C), and Btu/(lb.F). Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.

Convert thermal conductivity between W/(m.K), Btu/(hr.ft.F), and cal/(s.cm.C). Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.

Convert flow rate between m3/s, L/s, gal/min, and ft3/s. Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.

Convert fuel efficiency between L/100km, mpg, km/L, and mi/L. Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.

Convert radiation dose between Gy, rad, Sv, and rem. Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.

Convert acoustic impedance between Pa.s/m, kg/(m2.s), and rayl. Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.

Convert surface tension between N/m, mN/m, dyn/cm, and erg/cm2. Fast and accurate conversion with formula, worked examples and unit equivalents. Free online tool.