Home / Compare / calculators
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Short answer: This hub highlights 19 IndieIndex listings and shows 12 of 46 others in calculators (full list on /c/calculators/ ). Highlighted first: Desmos Scientific Calculator — Free scientific calculator in the browser from Desmos; UnitConverters.net — Large free unit conversion calculator set (length, area, volume, more); ConvertUnits.com — Large catalog of free unit conversion calculators. Picks are editorial, not paid placement or a test-based ranking — check each live product and its badges.
Updated (latest listing change on this page): 2026-11-11
Calculators and related numeric/unit tools on IndieIndex — scientific, unit, epoch, Korea area (pyeong), and founding Utileno calc suite.
Editorial compare hub for agents. Not paid placement. Default outbound rel="ugc nofollow". Prefer live product URLs + badges over this prose alone.
Machine: GET /api/v1/search?category=calculators
Highlighted (table)
Name URL / slug Categories Ownership / editorial
Desmos Scientific Calculator
https://www.desmos.com/scientific /desmos-scientific
calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
UnitConverters.net
https://www.unitconverters.net/ /unitconverters
calculators , converters , utilities
ownership=unclaimed editorial=unreviewed rel=ugc nofollow
ConvertUnits.com
https://www.convertunits.com/ /convertunits
converters , calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
Calculator.net Conversion Calculator
https://www.calculator.net/conversion-calculator.html /calculator-net-unit
calculators , converters , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
Metric Conversions
https://www.metric-conversions.org/ /metric-conversions
converters , calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
Epoch Converter
https://www.epochconverter.com/ /epoch-converter
converters , calculators
ownership=unclaimed editorial=unreviewed rel=ugc nofollow
timeanddate World Clock
https://www.timeanddate.com/worldclock/ /timeanddate-worldclock
utilities , converters , calculators
ownership=unclaimed editorial=approved rel=ugc nofollow
World Time Buddy
https://www.worldtimebuddy.com/ /worldtimebuddy
utilities , converters , calculators
ownership=unclaimed editorial=approved rel=ugc nofollow
모두의 변환기 — 평수 계산기
https://tools.itstheradio.com/pyeong-calculator/ /modu-pyeong
korea-tools , calculators , converters
ownership=unclaimed editorial=unreviewed rel=ugc nofollow
Utileno
https://utileno.com/ko/ /utileno
utilities , converters , korea-tools , privacy-local
ownership=verified editorial=approved rel=follow founding_case
Calculator.net Tip Calculator
https://www.calculator.net/tip-calculator.html /calculator-net-tip
calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
Calculator.net Age Calculator
https://www.calculator.net/age-calculator.html /calculator-net-age
calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
Percentage Calculator
https://percentagecalculator.net/ /percentagecalculator-net
calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
Calculator.net BMI Calculator
https://www.calculator.net/bmi-calculator.html /calculator-net-bmi
calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
Ktoolio 부가세 계산기
https://ktoolio.com/calcs/vat /ktoolio-vat
korea-tools , utilities , calculators
ownership=unclaimed editorial=approved rel=ugc nofollow
TaxCalculator VAT (부가가치세 계산기)
https://taxcalculator.co.kr/calculators/vat.php /taxcalculator-vat
korea-tools , utilities , calculators
ownership=unclaimed editorial=approved rel=ugc nofollow
utilo 부가세 계산기
https://utilo.kr/tax/ /utilo-vat
korea-tools , calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
calculatorhost 부가가치세 계산기
https://calculatorhost.com/calculator/vat/ /calculatorhost-vat
korea-tools , calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
iTool 부가세 계산기
https://itool.co.kr/calc/vat-calculator/ /itool-vat
korea-tools , calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
Highlighted (cards)
ownership=unclaimed editorial=approved rel=ugc nofollow
Desmos Scientific Calculator
Free scientific calculator in the browser from Desmos.
ownership=unclaimed editorial=unreviewed rel=ugc nofollow
UnitConverters.net
Large free unit conversion calculator set (length, area, volume, more).
ownership=unclaimed editorial=approved rel=ugc nofollow
ConvertUnits.com
Large catalog of free unit conversion calculators.
ownership=unclaimed editorial=approved rel=ugc nofollow
Calculator.net Conversion Calculator
Multi-category unit conversion calculator.
ownership=unclaimed editorial=approved rel=ugc nofollow
Metric Conversions
Metric ↔ imperial unit conversion reference.
ownership=unclaimed editorial=unreviewed rel=ugc nofollow
Epoch Converter
Unix timestamp ↔ human date converter.
ownership=unclaimed editorial=approved rel=ugc nofollow
timeanddate World Clock
Classic multi-city world clock and meeting planner.
ownership=unclaimed editorial=approved rel=ugc nofollow
World Time Buddy
Visual timezone converter for scheduling across cities.
ownership=unclaimed editorial=unreviewed rel=ugc nofollow
모두의 변환기 — 평수 계산기
평 ↔ m² ↔ ft² 즉시 환산과 아파트 평형 참고표.
founding_case ownership=verified editorial=approved rel=follow
Utileno
Free bilingual web tools that run in the browser — no signup, no file upload.
ownership=unclaimed editorial=approved rel=ugc nofollow
Calculator.net Tip Calculator
Free tip and bill-split calculator with tax options.
ownership=unclaimed editorial=approved rel=ugc nofollow
Calculator.net Age Calculator
Calculate exact age in years, months, and days.
ownership=unclaimed editorial=approved rel=ugc nofollow
Percentage Calculator
Free percent-of / percent-change / reverse percentage calculator.
ownership=unclaimed editorial=approved rel=ugc nofollow
Calculator.net BMI Calculator
Free BMI (body mass index) calculator with unit options.
ownership=unclaimed editorial=approved rel=ugc nofollow
Ktoolio 부가세 계산기
Batch-friendly KR VAT worksheet (supply / VAT / total).
ownership=unclaimed editorial=approved rel=ugc nofollow
TaxCalculator VAT (부가가치세 계산기)
KR 10% VAT supply-price ↔ total reverse calculator (reference only).
ownership=unclaimed editorial=approved rel=ugc nofollow
utilo 부가세 계산기
공급가액·부가세 포함/별도·간이과세 부가세 계산기.
ownership=unclaimed editorial=approved rel=ugc nofollow
calculatorhost 부가가치세 계산기
일반·간이·VAT 포함↔공급가액 환산 부가세 계산기.
ownership=unclaimed editorial=approved rel=ugc nofollow
iTool 부가세 계산기
공급가액·합계금액 기준 한국 부가세 10% 계산기.
Others in calculators
Showing 12 of 46 — most recently checked first.
Name URL / slug Categories Ownership / editorial
Wenbu
https://wenbu.app /wenbu
calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
CarHistory.cc
https://carhistory.cc/ /carhistory
utilities , calculators
ownership=unclaimed editorial=approved rel=ugc nofollow
ClockZone
https://clockzone.net/ /clockzone
utilities , calculators
ownership=unclaimed editorial=approved rel=ugc nofollow
Calorie Calculator App
https://calorie-calculator.app /calorie-calculator-app
calculators , utilities , privacy-local
ownership=unclaimed editorial=approved rel=ugc nofollow
Home Yard Calc
https://homeyard-calc.com /home-yard-calc
calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
Lumber Calc
https://lumber-calc.com /lumber-calc
calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
Mouadal — BAC Average Calculator (حساب معدل البكالوريا)
https://mouadal.com/ /mouadal-bac-average-calculator
calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
PokerChip.live
https://pokerchip.live/ /pokerchip-live
calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
Tinh GPA
https://tinhgpa.com/ /tinh-gpa
calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
Board Foot Calculator
https://boardfoot-calculator.com/ /board-foot-calculator
calculators , utilities
ownership=unclaimed editorial=approved rel=ugc nofollow
24TimeZones
https://24timezones.com/ /24timezones
utilities , converters , calculators
ownership=unclaimed editorial=approved rel=ugc nofollow
timeanddate Date Duration
https://www.timeanddate.com/date/duration.html /timeanddate-date-duration
calculators
ownership=unclaimed editorial=approved rel=ugc nofollow
전체 보기 / View all — 64 listings in /c/calculators/