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French; charriere to Span Conversion Table

Quick Find Conversion Table

to


0.1 - 0.54
french; charriere to spans
0.1= 0.00014581510644503
0.11= 0.00016039661708953
0.12= 0.00017497812773403
0.13= 0.00018955963837854
0.14= 0.00020414114902304
0.15= 0.00021872265966754
0.16= 0.00023330417031204
0.17= 0.00024788568095655
0.18= 0.00026246719160105
0.19= 0.00027704870224555
0.20= 0.00029163021289006
0.21= 0.00030621172353456
0.22= 0.00032079323417906
0.23= 0.00033537474482356
0.24= 0.00034995625546807
0.25= 0.00036453776611257
0.26= 0.00037911927675707
0.27= 0.00039370078740157
0.28= 0.00040828229804608
0.29= 0.00042286380869058
0.30= 0.00043744531933508
0.31= 0.00045202682997959
0.32= 0.00046660834062409
0.33= 0.00048118985126859
0.34= 0.00049577136191309
0.35= 0.0005103528725576
0.36= 0.0005249343832021
0.37= 0.0005395158938466
0.38= 0.00055409740449111
0.39= 0.00056867891513561
0.40= 0.00058326042578011
0.41= 0.00059784193642461
0.42= 0.00061242344706912
0.43= 0.00062700495771362
0.44= 0.00064158646835812
0.45= 0.00065616797900262
0.46= 0.00067074948964713
0.47= 0.00068533100029163
0.48= 0.00069991251093613
0.49= 0.00071449402158064
0.50= 0.00072907553222514
0.51= 0.00074365704286964
0.52= 0.00075823855351414
0.53= 0.00077282006415865
0.54= 0.00078740157480315
0.55 - 0.99
french; charriere to spans
0.55= 0.00080198308544765
0.56= 0.00081656459609216
0.57= 0.00083114610673666
0.58= 0.00084572761738116
0.59= 0.00086030912802566
0.60= 0.00087489063867017
0.61= 0.00088947214931467
0.62= 0.00090405365995917
0.63= 0.00091863517060367
0.64= 0.00093321668124818
0.65= 0.00094779819189268
0.66= 0.00096237970253718
0.67= 0.00097696121318169
0.68= 0.00099154272382619
0.69= 0.0010061242344707
0.70= 0.0010207057451152
0.71= 0.0010352872557597
0.72= 0.0010498687664042
0.73= 0.0010644502770487
0.74= 0.0010790317876932
0.75= 0.0010936132983377
0.76= 0.0011081948089822
0.77= 0.0011227763196267
0.78= 0.0011373578302712
0.79= 0.0011519393409157
0.80= 0.0011665208515602
0.81= 0.0011811023622047
0.82= 0.0011956838728492
0.83= 0.0012102653834937
0.84= 0.0012248468941382
0.85= 0.0012394284047827
0.86= 0.0012540099154272
0.87= 0.0012685914260717
0.88= 0.0012831729367162
0.89= 0.0012977544473607
0.90= 0.0013123359580052
0.91= 0.0013269174686498
0.92= 0.0013414989792943
0.93= 0.0013560804899388
0.94= 0.0013706620005833
0.95= 0.0013852435112278
0.96= 0.0013998250218723
0.97= 0.0014144065325168
0.98= 0.0014289880431613
0.99= 0.0014435695538058
1.00 - 1.44
french; charriere to spans
1.00= 0.0014581510644503
1.01= 0.0014727325750948
1.02= 0.0014873140857393
1.03= 0.0015018955963838
1.04= 0.0015164771070283
1.05= 0.0015310586176728
1.06= 0.0015456401283173
1.07= 0.0015602216389618
1.08= 0.0015748031496063
1.09= 0.0015893846602508
1.10= 0.0016039661708953
1.11= 0.0016185476815398
1.12= 0.0016331291921843
1.13= 0.0016477107028288
1.14= 0.0016622922134733
1.15= 0.0016768737241178
1.16= 0.0016914552347623
1.17= 0.0017060367454068
1.18= 0.0017206182560513
1.19= 0.0017351997666958
1.20= 0.0017497812773403
1.21= 0.0017643627879848
1.22= 0.0017789442986293
1.23= 0.0017935258092738
1.24= 0.0018081073199183
1.25= 0.0018226888305628
1.26= 0.0018372703412073
1.27= 0.0018518518518519
1.28= 0.0018664333624964
1.29= 0.0018810148731409
1.30= 0.0018955963837854
1.31= 0.0019101778944299
1.32= 0.0019247594050744
1.33= 0.0019393409157189
1.34= 0.0019539224263634
1.35= 0.0019685039370079
1.36= 0.0019830854476524
1.37= 0.0019976669582969
1.38= 0.0020122484689414
1.39= 0.0020268299795859
1.40= 0.0020414114902304
1.41= 0.0020559930008749
1.42= 0.0020705745115194
1.43= 0.0020851560221639
1.44= 0.0020997375328084
1.45 - 1.89
french; charriere to spans
1.45= 0.0021143190434529
1.46= 0.0021289005540974
1.47= 0.0021434820647419
1.48= 0.0021580635753864
1.49= 0.0021726450860309
1.50= 0.0021872265966754
1.51= 0.0022018081073199
1.52= 0.0022163896179644
1.53= 0.0022309711286089
1.54= 0.0022455526392534
1.55= 0.0022601341498979
1.56= 0.0022747156605424
1.57= 0.0022892971711869
1.58= 0.0023038786818314
1.59= 0.0023184601924759
1.60= 0.0023330417031204
1.61= 0.0023476232137649
1.62= 0.0023622047244094
1.63= 0.002376786235054
1.64= 0.0023913677456985
1.65= 0.002405949256343
1.66= 0.0024205307669875
1.67= 0.002435112277632
1.68= 0.0024496937882765
1.69= 0.002464275298921
1.70= 0.0024788568095655
1.71= 0.00249343832021
1.72= 0.0025080198308545
1.73= 0.002522601341499
1.74= 0.0025371828521435
1.75= 0.002551764362788
1.76= 0.0025663458734325
1.77= 0.002580927384077
1.78= 0.0025955088947215
1.79= 0.002610090405366
1.80= 0.0026246719160105
1.81= 0.002639253426655
1.82= 0.0026538349372995
1.83= 0.002668416447944
1.84= 0.0026829979585885
1.85= 0.002697579469233
1.86= 0.0027121609798775
1.87= 0.002726742490522
1.88= 0.0027413240011665
1.89= 0.002755905511811
1.90 - 2.34
french; charriere to spans
1.90= 0.0027704870224555
1.91= 0.0027850685331
1.92= 0.0027996500437445
1.93= 0.002814231554389
1.94= 0.0028288130650335
1.95= 0.002843394575678
1.96= 0.0028579760863225
1.97= 0.002872557596967
1.98= 0.0028871391076115
1.99= 0.0029017206182561
2.00= 0.0029163021289006
2.01= 0.0029308836395451
2.02= 0.0029454651501896
2.03= 0.0029600466608341
2.04= 0.0029746281714786
2.05= 0.0029892096821231
2.06= 0.0030037911927676
2.07= 0.0030183727034121
2.08= 0.0030329542140566
2.09= 0.0030475357247011
2.10= 0.0030621172353456
2.11= 0.0030766987459901
2.12= 0.0030912802566346
2.13= 0.0031058617672791
2.14= 0.0031204432779236
2.15= 0.0031350247885681
2.16= 0.0031496062992126
2.17= 0.0031641878098571
2.18= 0.0031787693205016
2.19= 0.0031933508311461
2.20= 0.0032079323417906
2.21= 0.0032225138524351
2.22= 0.0032370953630796
2.23= 0.0032516768737241
2.24= 0.0032662583843686
2.25= 0.0032808398950131
2.26= 0.0032954214056576
2.27= 0.0033100029163021
2.28= 0.0033245844269466
2.29= 0.0033391659375911
2.30= 0.0033537474482356
2.31= 0.0033683289588801
2.32= 0.0033829104695246
2.33= 0.0033974919801691
2.34= 0.0034120734908136
2.35 - 2.79
french; charriere to spans
2.35= 0.0034266550014582
2.36= 0.0034412365121027
2.37= 0.0034558180227472
2.38= 0.0034703995333917
2.39= 0.0034849810440362
2.40= 0.0034995625546807
2.41= 0.0035141440653252
2.42= 0.0035287255759697
2.43= 0.0035433070866142
2.44= 0.0035578885972587
2.45= 0.0035724701079032
2.46= 0.0035870516185477
2.47= 0.0036016331291922
2.48= 0.0036162146398367
2.49= 0.0036307961504812
2.50= 0.0036453776611257
2.51= 0.0036599591717702
2.52= 0.0036745406824147
2.53= 0.0036891221930592
2.54= 0.0037037037037037
2.55= 0.0037182852143482
2.56= 0.0037328667249927
2.57= 0.0037474482356372
2.58= 0.0037620297462817
2.59= 0.0037766112569262
2.60= 0.0037911927675707
2.61= 0.0038057742782152
2.62= 0.0038203557888597
2.63= 0.0038349372995042
2.64= 0.0038495188101487
2.65= 0.0038641003207932
2.66= 0.0038786818314377
2.67= 0.0038932633420822
2.68= 0.0039078448527267
2.69= 0.0039224263633712
2.70= 0.0039370078740157
2.71= 0.0039515893846603
2.72= 0.0039661708953048
2.73= 0.0039807524059493
2.74= 0.0039953339165938
2.75= 0.0040099154272383
2.76= 0.0040244969378828
2.77= 0.0040390784485273
2.78= 0.0040536599591718
2.79= 0.0040682414698163

Legend

SymbolDefinition
exactly equal
approximately equal to
=equal to
digitsindicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …)

french; charriere

The French scale or French gauge system is commonly used to measure the size of a catheter. It is most often abbreviated as Fr, but can often be seen abbreviated as Fg, Ga, FR or F. It may also be abbreviated as CH or Ch (for Charrière, its inventor).

spans

span is the distance measured by a human hand, from the tip of the thumb to the tip of the little finger. In ancient times, a span was considered to be half a cubit. Sometimes the distinction is made between the great span (thumb to little finger) and little span (index finger to little finger).