Nastenka / Message Board Pomoc / Help Virtual/Numbers Units Time -- Weight -- Angle -- Length -- Area -- Volume -- Speed -- Power -- Pressure -- Radiation -- Temperature Time 2 seconds 1 heartbeat _________________________________________________________________ 30.436 875 days = 365.2425 [d] / 12 1 month _________________________________________________________________ 365.2425 days = 146097 [d] / 400 1 year _________________________________________________________________ 146097 days = 365 days * 400 + 100 - 4 + 1 = 400 years 1 cycle _________________________________________________________________ 60s = 1m 99s = 1m 39s 999s = 16m 39s 1080s = 18m 1081s = 18m 01s 1525s = 25m 25s 3600s = 1h = 60m 3751s = 1h 2m 31s = 62m 31s 9999s = 2h 46m 39s = 166m 39s 42000s = 11h 40m = 700m 55555s = 15h 25m 55s = 925m 55s 65536s = 18h 12m 16s 86400s = 1d = 24h 88888s = 1d 41m 28s = 24h 41m 28s 99999s = 1d 3h 46m 39s = 27h 46m 39s 101010s = 1d 4h 3m 30s = 28h 3m 30s 604800s = 7d = 168h 999999s = 11d 13h 46m 39s = 277h 46m 39s 2629746s = 1m = 30d 10h 29m 6s 9999999s = 3m 24d 10h 19m 21s = 115d 17h 46m 39s 31556952s = 1y = 365d 5h 49m 12s 67108864s = 2y 1m 15d 19h 13m 34s = 2y 46d 5h 42m 40s 99999999s = 3y 2m 19h 20m 51s = 3y 61d 16h 19m 3s 268435456s = 8y 6m 2d 7h 56m 4s = 8y 184d 22h 50m 40s 299792458s = 9y 6m 23m 34s = 9y 182d 15h 18m 10s 999999999s = 31y 8m 8d 1h 28m 39s = 31y 251d 13h 21m 27s 1234567890s = 39y 1m 14d 2h 3m 36s = 39y 44d 12h 32m 42s 1999999999s = 63y 4m 16d 2h 57m 19s = 63y 137d 20h 53m 43s 2999999999s = 95y 24d 4h 25m 59s 3999999999s = 126y 9m 1d 19h 25m 33s = 126y 275d 17h 47m 27s 4999999999s = 158y 5m 9d 20h 54m 13s = 158y 162d 1h 19m 43s 12622780800s = 400y Weight 0.06479891 [g] 1 grain (gr) _________________________________________________________________ 0.2 [g] 1 carat (ct) _________________________________________________________________ 4.8 [g] The weight of a 24 carat diamond _________________________________________________________________ 31.1034768 [g] 1 troy ounce (t oz) = 480 grains _________________________________________________________________ 28.349523125 [g] 1 ounce (oz) = 437.5 grains _________________________________________________________________ 453.59237 [g] 1 pound (lb) = 16 ounces = 7000 grains _________________________________________________________________ 6.35029318 [kg] 1 stone = 14 pounds _________________________________________________________________ 12.70058636 [kg] 1 tod = 2 stones _________________________________________________________________ 25.40117272 [kg] 1 truss = 2 tods _________________________________________________________________ 50.80234544 [kg] 1 hundredweight = 2 trusses _________________________________________________________________ 566.9904625 [g] 20 ounces _________________________________________________________________ 902.0008272 [g] 29 troy ounces _________________________________________________________________ 43.99845989 [kg] 97 pounds Angle 0.2617993877991494365385536152732919070~ [rad] = pi / 12 [rad] = 15 [deg] An hour angle _________________________________________________________________ 1.5707963267948966192313216916397514420~ [rad] = pi / 2 [rad] = 90 [deg] Right angle _________________________________________________________________ 3.1415926535897932384626433832795028841~ [rad] = pi [rad] = 180 [deg] Straight angle _________________________________________________________________ 6.2831853071795864769252867665590057683~ [rad] = 2 * pi [rad] = 360 [deg] = 400 [grad] = 6000 [mil] (Soviet) = 6400 [mil] (NATO) Perigon (full angle) Length 1 [m] 10000000000 angstroms _________________________________________________________________ 1066.78 [m] 1 versta _________________________________________________________________ 1852 [m] 1 nautical mile _________________________________________________________________ 149597870700 [m] 1 astronomical unit (AU) The average distance of the Earth from the Sun _________________________________________________________________ 9460730472580800 [m] = 299792458 [m/s] * 365.25 * 86400 [s] 1 light-year _________________________________________________________________ 30856775814671915.807871616093599612514853018460021328632~ [m] = 149597870700 [m] / tan((1 / 3600) * (Pi / 180)) 1 parsec The distance between a point in space and the Sun if the angle between the Sun and the Earth is 1 arcsecond (radians) _________________________________________________________________ 2.54 [cm] 1 inch _________________________________________________________________ 30.48 [cm] 1 foot = 12 inches _________________________________________________________________ 91.44 [cm] 1 yard = 3 feet _________________________________________________________________ 1.524 [m] 1 pace = 5 feet _________________________________________________________________ 4.572 [m] 3 paces = 5 yards = 180 feet _________________________________________________________________ 5.0292 [m] 1 pole = 198 inches _________________________________________________________________ 50.292 [m] 10 poles = 33 paces _________________________________________________________________ 201.168 [m] 1 furlong = 40 poles _________________________________________________________________ 1609.344 [m] 1 mile = 8 furlongs _________________________________________________________________ 8.991 6 [cm] = 0.354 inches _________________________________________________________________ 16.51 [cm] = 6.5 inches _________________________________________________________________ 127 [cm] = 50 inches _________________________________________________________________ 762 [cm] = 25 feet _________________________________________________________________ 22.86 [m] = 25 yards = 75 feet = 900 inches _________________________________________________________________ 381 [m] = 1250 feet _________________________________________________________________ 1143 [m] = 1250 yards Area 6.4516 [cm^2] 1 square inch _________________________________________________________________ 929.0304 [cm^2] 1 square foot = 144 square inches _________________________________________________________________ 0.20903184 [m^2] 1 cubit = 324 square inches _________________________________________________________________ 0.83612736 [m^2] 1 square yard = 4 cubits = 9 square feet _________________________________________________________________ 25.29285264 [m^2] 1 perch = 121 cubits _________________________________________________________________ 101.17141056 [m^2] 4 perchs = 121 square yards _________________________________________________________________ 4046.8564224 [m^2] 1 acre = 160 perchs _________________________________________________________________ 2.589988110336 [km^2] 1 square mile _________________________________________________________________ 242811.385344 [m^2] 1 massacre = 60 acres _________________________________________________________________ 242811 [m^2] = 459 [m] * 529 [m] _________________________________________________________________ 242817.23823552 [m^2] = 502 [yd] * 578.5 [yd] _________________________________________________________________ 242794.8466400335806413469312333731009022940~ [m^2] = pi * 278 [m] * 278 [m] _________________________________________________________________ 242755.7215648142417856524774186363286558964~ [m^2] = pi * 304 [yd] * 304 [yd] Volume 0.2 [l] 1 stachan _________________________________________________________________ 0.4 [l] 1 messel _________________________________________________________________ 0.16387064 [dl] 1 cubic inch _________________________________________________________________ 0.56826125 [l] 1 pint (UK) _________________________________________________________________ 1.1365225 [l] 1 quart = 2 pints _________________________________________________________________ 4.54609 [l] 1 gallon = 4 quarts _________________________________________________________________ 9.09218 [l] 1 peck = 2 gallons _________________________________________________________________ 18.18436 [l] 1 bucket = 2 pecks _________________________________________________________________ 28.316846592 [l] 1 cubic foot _________________________________________________________________ 36.36872 [l] 1 bushel = 2 buckets _________________________________________________________________ 2.8640367 [hl] 1 hogshead = 63 gallons = 252 quarts = 504 pints _________________________________________________________________ 7.64554857984 [hl] 1 cubic yard _________________________________________________________________ 22.9122936 [hl] 8 hogsheads = 63 bushels _________________________________________________________________ 25.003495 [l] 44 pints Speed 1.609344 [km/h] 1 mile per hour _________________________________________________________________ 1.852 [km/h] 1 knot = 1 nautical mile per hour _________________________________________________________________ 3.6 [km/h] = 1 [m/s] * 3600 [s] / 1000 1 benz _________________________________________________________________ 1225.08 [km/h] 1 mach The speed of sound in dry air at mean sea level and the temperature of 15 degrees Celsius Power 1 [kg.m/s^2] 1 Newton _________________________________________________________________ 1 [kg.m^2/s^2] 1 Joule = 1 [N.m] _________________________________________________________________ 1 [kg.m^2/s^3] 1 Watt = 1 [N.m/s] = 1 [J/s] _________________________________________________________________ 10^-5 [N] 1 dyne (dyn) _________________________________________________________________ 9.80665 [N] 1 kilopond _________________________________________________________________ 10^-7 [J] 1 erg _________________________________________________________________ 1.3558179483314004 [J] = 9.80665 [N] * 0.45359237 [kg] * 0.3048 [m] 1 foot-pound (ft.lb) _________________________________________________________________ 4.1868 [J] 1 calorie (cal) _________________________________________________________________ 735.49875 [W] = 9.80665 [N] * 75 [kg] 1 metric horse-power (ps) 1 horse _________________________________________________________________ 745.69987158227022 [W] = 1.3558179483314004 [J] * 33000 / 60 [s] = 33000 [ft.lb/min] 1 mechanical horse-power (hp) James Watt determined by experiment that a horse could do 33000 foot-pounds of work per minute _________________________________________________________________ 381 [J] 91 calories Pressure 1 [kg/m.s] 1 pascal (Pa) _________________________________________________________________ 6894.75729 [Pa] 1 pound per square inch (psi) _________________________________________________________________ 1000 [Pa] 1 pieze _________________________________________________________________ 100000 [Pa] 1 bar _________________________________________________________________ 101325 [Pa] 1 atmosphere (atm) = 760 Torr Radiation 1 [1/s] 1 becquerel (Bq) The radioactivity (number of atoms that decay per second) of an element _________________________________________________________________ 30.948(3) [Bq] = 1.17 * 10^-4 [g] / 39.96399848(21) [g/mol] * * 6.022140857(74) * 10^23 [1/mol] * * ln(2) / (1.251(3) * 10^9 [y] * 31556952 [s/y]) The radioactivity of 1 gram of potassium containing 0.0117% K-40 _________________________________________________________________ 10^6 [Bq] 1 rutherford (Rd) _________________________________________________________________ 10^9 * 37 [Bq] 1 curie (Ci) The radioactivity of 1 gram of Ra-226 _________________________________________________________________ 1 [m^2/s^2] = 1 [J/kg] 1 gray (Gy) The absorption of one joule of radiation energy per kilogram of matter 1 sievert (Sv) The biological effect of the absorption of one joule of radiation energy per kilogram of human tissue _________________________________________________________________ 0.01 [Gy] or [Sv] 1 rad = 1 rontgen equivalent man (rem) The dose causing 100 ergs of radiation energy to be absorbed by one gram of matter _________________________________________________________________ 5 [Gy] or [Sv] = 375 [J] / 75 [kg] The absorption of radiation energy by 75 kg adult leading to death The lethal dose LD-50/30 required to kill a human with 50% risk within 30 days _________________________________________________________________ 10 [Gy] 1000 rad The lethal dose LD-100/14 for human acute radiation syndrome _________________________________________________________________ 10^-9 * 98 [Sv] Banana equivalen dose _________________________________________________________________ 0.5 [Sv] Occupational dose limit per year _________________________________________________________________ 10^-3 * 0.258 [A.s/kg] 1 rontgen (R) Temperature 100 * Newton = 33 * Celsius 5 * Reaumur = 4 * Celsius 5 * Rankine = 9 * Kelvin 33 * Reaumur = 80 * Newton Kelvin = Celsius + 273.15 Rankine = Fahrenheit + 459.67 5 * Fahrenheit = 9 * Celsius + 160 5 * Rankine = 9 * Celsius + 2458.35 40 * Romer = 21 * Celsius + 300 9 * Kelvin = 5 * Fahrenheit + 2298.35 11 * Fahrenheit = 60 * Newton + 352 33 * Kelvin = 100 * Newton + 9013.95 11 * Rankine = 60 * Newton + 5408.37 22 * Romer = 35 * Newton + 165 4 * Fahrenheit = 9 * Reaumur + 128 4 * Kelvin = 5 * Reaumur + 1092.6 4 * Rankine = 9 * Reaumur + 1966.68 32 * Romer = 21 * Reaumur + 240 7 * Fahrenheit = 24 * Romer + 44 21 * Kelvin = 40 * Romer + 5436.15 7 * Rankine = 24 * Romer + 3261.69 300 = 2 * Delisle + 3 * Celsius 1272 = 6 * Delisle + 5 * Fahrenheit 746.3 = 2 * Delisle + 3 * Kelvin 1650 = 11 * Delisle + 50 * Newton 3358.35 = 6 * Delisle + 5 * Rankine 1200 = 8 * Delisle + 15 * Reaumur 1200 = 7 * Delisle + 20 * Romer _________________________________________________________________ 0 [K] = -273.15 [C] = -459.67 [F] = 0 [R] Absolute zero The corresponding temperature point (0) on the Kelvin and Rankine scale _________________________________________________________________ 233.15 [K] = -40 [C] = -40 [F] The corresponding temperature point (-40) on the Celsius and Fahrenheit scale _________________________________________________________________ 241.15 [K] = -32 [C] = -25.6 [F] = -25.6 [Re] The corresponding temperature point (-25.6) on the Fahrenheit and Reaumur scale _________________________________________________________________ 273.15 [K] = 0 [C] = 32 [F] = 0 [N] = 0 [Re] = 7.5 [Ro] The freezing point of water The corresponding temperature point (0) on the Celsius, Newton and Reaumur scale _________________________________________________________________ 273.16 [K] = 0.01 [C] = 32.018 [F] The triple point of water at 611.657 pascals of partial vapor pressure _________________________________________________________________ 333.15 [K] = 60 [C] = 60 [De] The corresponding temperature point (60) on the Celsius and Delisle scale _________________________________________________________________ 358.15 [K] = 85 [C] = 185 [F] _________________________________________________________________ 373.15 [K] = 100 [C] = 212 [F] = 80 [Re] = 60 [Ro] The boiling point of water _________________________________________________________________ 280 C = 536 F 140 C = 284 F 0 C = 32 F -140 C = -220 F 275 C = 527 F 135 C = 275 F -5 C = 23 F -145 C = -229 F 270 C = 518 F 130 C = 266 F -10 C = 14 F -150 C = -238 F 265 C = 509 F 125 C = 257 F -15 C = 5 F -155 C = -247 F 260 C = 500 F 120 C = 248 F -20 C = -4 F -160 C = -256 F 255 C = 491 F 115 C = 239 F -25 C = -13 F -165 C = -265 F 250 C = 482 F 110 C = 230 F -30 C = -22 F -170 C = -274 F 245 C = 473 F 105 C = 221 F -35 C = -31 F -175 C = -283 F 240 C = 464 F 100 C = 212 F -40 C = -40 F -180 C = -292 F 235 C = 455 F 95 C = 203 F -45 C = -49 F -185 C = -301 F 230 C = 446 F 90 C = 194 F -50 C = -58 F -190 C = -310 F 225 C = 437 F 85 C = 185 F -55 C = -67 F -195 C = -319 F 220 C = 428 F 80 C = 176 F -60 C = -76 F -200 C = -328 F 215 C = 419 F 75 C = 167 F -65 C = -85 F -205 C = -337 F 210 C = 410 F 70 C = 158 F -70 C = -94 F -210 C = -346 F 205 C = 401 F 65 C = 149 F -75 C = -103 F -215 C = -355 F 200 C = 392 F 60 C = 140 F -80 C = -112 F -220 C = -364 F 195 C = 383 F 55 C = 131 F -85 C = -121 F -225 C = -373 F 190 C = 374 F 50 C = 122 F -90 C = -130 F -230 C = -382 F 185 C = 365 F 45 C = 113 F -95 C = -139 F -235 C = -391 F 180 C = 356 F 40 C = 104 F -100 C = -148 F -240 C = -400 F 175 C = 347 F 35 C = 95 F -105 C = -157 F -245 C = -409 F 170 C = 338 F 30 C = 86 F -110 C = -166 F -250 C = -418 F 165 C = 329 F 25 C = 77 F -115 C = -175 F -255 C = -427 F 160 C = 320 F 20 C = 68 F -120 C = -184 F -260 C = -436 F 155 C = 311 F 15 C = 59 F -125 C = -193 F -265 C = -445 F 150 C = 302 F 10 C = 50 F -130 C = -202 F -270 C = -454 F 145 C = 293 F 5 C = 41 F -135 C = -211 F -275 C = -463 F ^(")^
