'Eothumb' computer keyboard layout

Canonical nameeothumb.en.ergodox
LanguageEnglish
Form factorSplit : Ergodox / Kinesis
'Author'Philipp Kiefer
Author data may not be correct, we're working on it.
Keys horizontally staggeredNo
Letters on thumb (lower and upper case)4
Uses AltGr for standard charactersNo
Moves non-character keys (ANSI/ISO)No
Changes QWERTY 'shift' pairsNo
Changes top row (ANSI/ISO)No
Uppercase on different keyNo
Conventional home keys, fingering, Space, Enter, Shifts, AltGrNo
Maintains QWERTY zxcvYes

Click image for larger view

eothumb.en.ergodox


Download the Keyboard Layout Analyzer .json file.

Scores

Scores are percentages relative to the best layout for each metric.
MetricPercentage
Finger-based metrics75.31
Word-based metrics80.88
English78.77
Code62.60
Proglish74.17
Words metric for words on home keys65.97
Words metric for no same-finger95.78
Overall score78.10

All layouts (355)

MetricLowestLowest scoreeothumb.en.ergodox scoreHighestHighest score
Fingersyang-mali.en.ansi38.5675.31
chia.en.matrix99.25
Wordsyang-mali.en.ansi7.4580.88
chia-vanilla.en.matrix99.45
Averageyang-mali.en.ansi23.0178.10
chia.en.matrix99.35

All Ergo (81)

MetricLowestLowest scoreeothumb.en.ergodox scoreHighestHighest score
Fingersqwerty-kinesis-advantage.en.ergodox57.7875.31
chia.en.matrix99.25
Wordsqwerty-thumbshift.en.ergodox30.4380.88
chia.en.matrix99.45
Averageqwerty-kinesis-advantage.en.ergodox44.2278.10
chia.en.matrix99.35

All Ergo, no AltGr (35)

MetricLowestLowest scoreeothumb.en.ergodox scoreHighestHighest score
Fingersqwerty-kinesis-advantage.en.ergodox57.7875.31
chia-vanilla.en.matrix96.07
Wordsqwerty-thumbshift.en.ergodox30.4380.88
chia-vanilla.en.matrix99.45
Averageqwerty-kinesis-advantage.en.ergodox44.2278.10
chia-vanilla.en.matrix97.76

Comparison to other layouts

eothumb.en.ergodox eothumb.en.ergodox

colemak-thumbshift.en.ergodox

mtgap-thumbshift.en.ergodox

dvorak.en.matrix

maltron-us-90.en.ergodox

qwerty.en.ansi

Best Ergo

chia.en.matrix

Worst Ergo

qwerty-kinesis-advantage.en.ergodox

qwerty-thumbshift.en.ergodox

Finger based metrics

Finger based metrics, as determined with Keyboard Layout Analyzer, using KLAnext scoring model.
QwertEff is the QWERTY Efficiency, i.e. the Score relative to qwerty.en.ansi at 100%.
Lower is better, except for QwertEff.

English

RankLayoutScoreDistanceFingerUsageSameFingerSameHandQwertEff
Bestchia.en.matrix95.9336.9931.7420.386.83184.23
This layouteothumb.en.ergodox121.7949.1335.5429.048.08145.11
Referenceqwerty.en.ansi176.7380.4237.5750.728.02100.00

Programming code

RankLayoutScoreDistanceFingerUsageSameFingerSameHandQwertEff
Bestx1_atreus-44-keys.en.ergodox159.6942.9935.9670.4710.25185.56
This layouteothumb.en.ergodox255.1191.7942.23107.8913.20116.15
Referenceqwerty.en.ansi296.32124.4144.22115.0012.68100.00

Proglish (an 80:20 English:Code mix)

RankLayoutScoreDistanceFingerUsageSameFingerSameHandQwertEff
Bestchia.en.matrix110.0738.9932.0131.487.58182.28
This layouteothumb.en.ergodox148.4057.6836.8744.859.00135.20
Referenceqwerty.en.ansi200.6489.2238.9063.668.85100.00

Overall Fingers score (4 * English % + Code % + Proglish %) / 6

Higher is better.
RankLayoutPercentage
Bestchia.en.matrix99.25
This layouteothumb.en.ergodox75.31
Referenceqwerty.en.ansi54.31
MetricLowestLowest scoreeothumb.en.ergodox scoreHighestHighest score
Overall fingersyang-mali.en.ansi38.5675.31
chia.en.matrix99.25

English Word-based analysis

Home Keys Analysis

The Home Keys for this layout are shown with red dots in the first image above, giving the following letters:

aehiknrst

Home key common words

Not part of final score.
Which of the 200 most common words are typeable on the home keys.

Words handledWords not handled
the a in that is as it i his at he are an this their her has she its there than then these see three take think here set of and to was for with on be by from had not which have or were but you they all been one will who would more up can him so out into we when said them about other time no if some only also first could two my what over such do may me any like after very most new made your people now between should where years many being our before through much way work those did well down back just even because own little make must good under man used both same how still while use last too life against know year each us get mr long part off go day might great never found old gbp right another place came during again without come world men end upon later say few left number away thought until home small different system though around since often called within always every need went

Home key words

How many of the 30,000 most common words in the English corpus are typeable on the home keys.

Home Key lettersEnglish words typeableScoreLongest wordExample
aehiknrst835359211earnestness

Word count
Word length

No same-finger words

How many of the 30,000 most common words in the English corpus can be typed without using the same finger twice.

Home Key lettersEnglish words typeableScoreLongest wordExample
aehiknrst2655316194519seventeenth-century

Word count
Word length

Word metric comparisons

MetricLowest exampleLowest scoreeothumb.en.ergodox scoreHighest exampleHighest score
Home keys wordsabcdef.en.ansi153592
chia-vanilla.en.matrix5445
No same-finger wordsyang-mali.en.ansi22591161945
uciea-keyboard.en.ansi169072
Words averageyang-mali.en.ansi7.45 %80.88 %
uhia.en.matrix99.45 %

Typing lessons

Download some English words suitable for learning the layout.
Note if any files are empty it's because there are not enough words to create a lesson. This is most noticeable in the bad layouts.

Week 1Homekey words Day 1 Day 2 Day 3 Day 4 Day 5
Week 2No same-finger words Day 1 Day 2 Day 3 Day 4 Day 5
Week 3Common / tricky words Day 1 Day 2 Day 3 Day 4 Day 5
Week 4Pangrams Day 1 Day 2 Day 3 Day 4 Day 5
Week 5So you think you can type? Day 1 Day 2 Day 3 Day 4 Day 5
Week 6Extra practice 1: Common words in text Day 1 Day 2 Day 3 Day 4 Day 5
Week 7Extra practice 2: Lorem ipsum and friends Day 1 Day 2 Day 3 Day 4 Day 5
Week 8Extra practice 3: Underused words Day 1 Day 2 Day 3 Day 4 Day 5
Week 9Extra practice 4: Commonly misspelled words Day 1 Day 2 Day 3 Day 4 Day 5