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Even though it is possible to describe all physical quantities, like area, volume, speed etc. using only combinations of the nine base units, using specific names for each combination and use has the advantages of both being shorter and more direct, and, in the case of different phenomena being quantified using the same combination of base units, a separate name conveys both the quantity and what exactly is being measured;
A singular name for a sometimes long base units’ combination also makes using prefixes straightforward and unambiguous, specially with measures like area and volume;
In the list below we repeat the base units, except for time, which has its dedicated page, just for consistency and easy referencing, and add some derived units:
| FREQUENCY ― avriti [ah-VREE-ti] – avt
आवृत्ति ‹āvṛtti› /ɑːˈʋr̩t̪.t̪i/ «repetition, return» RADIOACTIVE DECAY ― bramsha [BRAHM-shuh] – brx भ्रंश ‹bhraṃśa› /ˈbʱɾɐ̃.ɕɐ/ «decay, ruin» |
|
| avriti avt → hertz Hz | hertz Hz → avriti avt |
| 31235012350123501235 | 001504 |
| 19.44 | 0.051 440 329 218 107 |
| LENGTH ― pada [PAH-duh] – pad
पद ‹pada› /'pə.d̪ə/ «pace, step» |
|
| Earth’s Average Gravity gavg | Speed of Light c |
| 1 grt | 135005235440 veg |
| 9.797 566 850 130 385 m·s⁻² | 299,792,458 m·s⁻¹ |
| guruta grt = pad·ang² | vega veg = pad·ang⁻¹ |
| pada pad → metre m | metre m → pada pad |
| 0005333324241020132 | 102323332014301032531 |
| 0.025 925 414 830 613 | 38.572 188 971 078 116 |
| pada pad → inch in | inch in → pada pad |
| 1004245035231145530 | 0551342241214101144 |
| 1.020 685 623 252 489 = 1 5⁄256 | 0.979 733 599 865 387 |
| AREA ― ketra [KAY-truh] – ktr
pad² क्षेत्र ‹kṣetra› /'kʃeːt̪.ɾɐ/ «land, ground, field» |
|
| charmaketra Cktr → square metre m² | square metre m² → charmaketra Cktr |
| 0512052542501105100 | 1051545143451413202 |
| 0.871 076 765 844 628 | 1.148 004 446 003 519 |
| trimaketra Tktr → square feet ft² | square feet ft² → trimaketra Tktr |
| 1321313134321210143 | 0350120013143413452 |
| 1.562 698 712 271 469 | 0.639 918 617 803 456 |
| VOLUME ― aytan [EYE-tun] – ayt
pad³ आयतन ‹āyatana› /'ɑː.jɐ.t̪ɐ.nɐ/ «volume» |
|
| dimaytan Dayt → millilitre mL | millilitre mL → dimaytan Dayt |
| 2523150054203213144511 | 0000202213011010535 |
| 627.306 291 773 078 900 | 0.001 594 117 599 511 |
| dimaytan Dayt → imp. pint | imp. pint → dimaytan Dayt |
| 1034235440243141010 | 0523400303252011135 |
| 1.103 904 747 636 899 | 0.905 875 259 745 620 |
| trimaytan Tayt → US gallon | US gallon → trimaytan Tayt |
| 0554434032342430055 | 1001123232331423423 |
| 0.994 300 743 329 242 | 1.005 731 924 379 011 |
| SPEED ― vega [VAY-guh] – veg
pad/ang वेग ‹vega› /ˈʋeː.ɡɐ/ «speed» |
|
| vega veg → metres per second m/s | metres per second m/s → vega veg |
| 0300510054353300411 | 1552325130432420104 |
| 0.503 990 064 307 118 | 1.984 166 099 335 294 |
| vega veg → kilometres per hour km/h | kilometres per hour km/h → vega veg |
| 1451522551054113415 | 0315014443113431215 |
| 1.814 364 231 505 628 | 0.551 157 249 815 359 |
| vega veg → miles per hour mph | miles per hour mph → vega veg |
| 1043303402345102235 | 0515331540335141153 |
| 1.127 393 665 683 426 | 0.887 001 613 046 849 |
| ACCELERATION ― tevaran [tay-VAH-run] – tvr
pad/ang² त्वरणम् ‹tvaraṇam› /t̪vɐ'rɐ.ɳɐm/ «making haste» GRAVITATION ― guruta [gu-ROO-tuh] – grt गुरुत्व ‹gurutva› /ɡuˈɾu.t̪ʋɐ/ «weight» |
|
| Earth’s average gravity gavg is 1 grt | |
| tevaran tvr → metre per square second m/s² | metre per square second m/s² → tevaran tvr |
| 13444135140131050515 | 0034013555412250131 |
| 9.797 566 850 130 390 | 0.102 066 157 373 214 |
| tevaran tvr → feet per square second ft/s² | feet per square second ft/s² → tevaran tvr |
| 52051054013244551152 | 0010415242430231145 |
| 32.144 248 195 965 850 | 0.031 109 764 767 355 |
| MASS ― dravya [DRAH-vyuh] – drv
द्रव्य ‹dravya› /'d̪rə.vjə/ «object, substance» |
|
| Fresh Water Density | Planck Constant h |
| 1 gnt | 1025500342435151430 × 10⁻¹⁰² agh |
| 998.207 153 168 156 802 kg·m⁻³ | 6.626 070 15 × 10⁻³⁴ J·Hz⁻¹ |
| ganata gnt = drv·pad⁻³ | agraha agh = vrc·avt⁻¹ agh = drv·pad²·ang⁻¹ |
| dravya drv → gram g | gram g → dravya drv |
| 25221031220042551352 | 0020230151524513015 |
| 17.393934102091065 | 0.057491306689487 |
| dravya drv → ounce oz | ounce oz → dravya drv |
| 0340305532150325055 | 1344014200110441314 |
| 0.613 552 969 670 668 | 1.629 851 128 480 002 |
| DENSITY ― ganata [guh-NAH-tuh] – gnt
drv/pad³ ― drv/ayt घनत्व ‹ghanatva› /ɡʱɐ'nɐt̪.ʋɐ/ «density» |
|
| Fresh water density at room temperature of 110 °S is 1 gnt, meaning 1 ayt of fresh water at room temp. has a mass of 1 drv |
|
| ganata gnt → kilogram per cubic metre kg/m³ | kilogram per cubic metre kg/m³ → ganata gnt |
| 4342112424534353142401 | 0000114423443552133 |
| 998.207 153 168 156 800 | 0.001 001 796 066 904 |
| ditritiganata dtgnt → microgram per cubic metre µg/m³ | microgram per cubic metre µg/m³ → ditritiganata dtgnt |
| 2042323043324452053 | 0245424203442131234 |
| 2.123 009 423 766 079 | 0.471 029 468 265 882 |
| µg/m³ is used when measuring the density of particulate material suspended on the air in air quality recomendations |
|
| ganata gnt → pound per cubic foot lb/ft³ | pound per cubic foot lb/ft³ → ganata gnt |
| 142152133002502121423 | 0003244411050353250 |
| 62.316 036 804 807 240 | 0.016 047 233 605 890 |
| FORCE ― bala [BAH-luh] – bal
drv·pad/ang² ― drv·tvr बल ‹bala› /'bɐ.lɐ/ «force, strength» WEIGHT ― bara [BAH-ruh] – bar भार ‹bhāra› /ˈbʱɑː.ɾɐ/ «weight, burden» |
|
| Since Earth’s gravity is 1 grt, on Earth’s surface weight is numerically equal to mass, meaning 1 bar = 1 drv/1 grt |
|
| bala bal → newton N | newton N → bala bal |
| 0100451011045251505 | 5511245305115532354 |
| 0.170 418 232 151 999 | 5.867 916 756 160 674 |
| bala bal → kilogram‐force kgf | kilogram‐force kgf → bala bal |
| 0003430440231025552 | 133313345044133100542 |
| 0.017 377 823 431 243 | 57.544 605 856 803 080 |
| bala bal → pound‐force lbf | pound‐force lbf → bala bal |
| 0012135244014034142 | 42033553225132451050 |
| 0.038 311 539 341 336 | 26.101 796 408 922 550 |
| PRESSURE ― pidana [PEE-duh-nuh] – pdn
drv/(pad/ang²) ― drv/tvr ― bal/ktr ― bar/ktr पीडन ‹pīḍana› /'piː.ɖɐ.nɐ/ «pressing, squeezing» STRESS ― pratibala [pruh-TEE-buh-luh] – pbl प्रतिबल ‹pratibala› /prɐ't̪i.bɐ.lɐ/ «counterforce» ATMOSPHERIC PRESSURE ― vayu [VAH-yoo] – vay वायु ‹vāyu› /ˈʋɑː.ju/ «air, wind» |
|
| trimapidana Tpdn → pascal Pa | pascal Pa → trimapidana Tpdn |
| 0214455131212140225 | 2335135214410051312 |
| 0.383 471 715 327 124 | 2.607 754 261 998 021 |
| shadimapidana XDpdn → pound per square inch psi | pound per square inch psi → shadimapidana XDpdn |
| 0233230000025453523 | 2151234554113211331 |
| 0.432 484 576 089 297 | 2.312 221 187 267 321 |
| vayu vay → atmosphere atm | atmosphere atm → vayu vay |
| 1 | 1 |
| 1 | 1 |
| ENERGY ― varcha [VAHR-chuh] – vrc
drv·pad²/ang² ― bal·pad ― pdn·ayt ― xkt·ang ― vdt·atr वर्चस् ‹varcas› /ˈʋɐɾ.t͡ɕɐs̪/ «vital power, energy, vigor» WORK ― sharama [SHAH-ruh-muh] – xrm श्रम ‹śrama› /'ɕrɐ.mɐ/ «labour, fatigue» HEAT ― ushuna [OO-shoo-nuh] – uxn उष्ण ‹uṣṇa› /ˈuʂ.ɳɐ/ «warm, hot» ELECTRIC POTENTIAL ENERGY ― shakya [SHAH-kyuh] – xky शक्य ‹śakya› /'ɕɐ.kjɐ/ «possible, likely to happen» |
|
| trimavarcha Tvrc → joule J | joule J → trimavarcha Tvrc |
| 0542044523544444400 | 1014201032035413321 |
| 0.954 323 286 459 910 | 1.047 862 935 116 598 |
| POWER ― shakiti [SHAH-ki-ti] – xkt
drv·pad²/ang³ ― vrc/ang ― bal·pad/ang ― atr·dar शक्ति ‹śakti› /ˈɕɐk.t̪i/ «power, ability» |
|
| shakiti xkt → watt W | watt W → shakiti xkt |
| 0030315124110315115 | 15350512051235242120 |
| 0.085 889 095 781 391 | 11.642 921 501 295 540 |
| MOMENTUM ― samvega [sam-VAY-guh] – svg
drv·pad/ang ― drv·veg संवेग ‹saṃvega› /s̪ɐ̃ˈʋeː.ɡɐ/ «with speed» IMPULSE ― juti [JOO-ti] – jut जूति ‹jūti› /ˈd͡ʑuː.t̪i/ «impulse, inclination, energy» |
|
| sanvega svg → km·m/s | km·m/s → sanvega svg |
| 0001521000451143321 | 310023341150541551305 |
| 0.008 766 369 966 666 | 114.072 301 739 763 500 |
| ACTION ― agraha [AH-gruh-huh] – agh
drv·pad²/ang ― svg·pad ― vrc/avt ― vrc·ang आग्रह ‹āgraha› /ˈɑː.ɡɾɐ.ɦɐ/ «persistence, determination» |
|
| trimagraha Tagh → J·s | J·s → trimagraha Tagh |
| 0014334213105223554 | 32212003545254411141 |
| 0.049 090 704 036 003 | 20.370 455 458 666 670 |
| TEMPERATURE
ABSOLUTE SCALE ― gatika [guh-TEE-kuh] – gtk गतिक ‹gatika› /ɡə't̪i.kə/ «movement» COMMON SCALE ― tapa [TAH-puh] – tap / sezimal degree – °S ताप ‹tāpa› /ˈt̪ɑː.pə/ «heat, warmth» |
|
| Fresh Water Specific Heat Capacity | Boltzmann Constant kB |
| 1 idn | 1302042411530113435 × 10⁻⁵² prv |
| 4184.050 933 649 753 098 J·K⁻¹·kg⁻¹ | 1.380 649 × 10⁻²³ J·K⁻¹ |
| indana idn = vrc·gtk⁻¹·drv⁻¹ idn = pad²·ang⁻²·gtk⁻¹ |
parivartana prv = vrc·gtk⁻¹ prv = drv·pad²·ang⁻²·gtk⁻¹ |
| gatika gtk → tapa tap | tapa tap → gatika gtk |
| (gtk − 240234312) ÷ 100000 | (tap × 100000) + 240234312 |
| (gtk − 4,499,396) ÷ 7,776 | (tap × 7,776) + 4,499,396 |
| 1 gtk Δ ≘ 1 ptap Δ ≘ 000001 tap Δ | 1 tap Δ ≘ 1 Pgtk Δ ≘ 100000 gtk Δ |
|
0 gtk = −240234312 tap
0 gtk = −240234312 ptap |
0 tap = 240234312 gtk
0 tap = 240234312 Pgtk |
| gatika gtk → kelvin K | kelvin K → gatika gtk |
| 0000002455444231451 | 204132130415510035252551 |
| 0.000 060 708 148 381 | 16,472.253 340 655 32 |
| tapa tap → degree Celsius °C | degree Celsius °C → tapa tap |
| 0245544423145105324 | 2041321304155100353 |
| 0.472 066 561 822 964 | 2.118 345 337 018 431 |
| tapa tap → degree Fahrenheit °F | degree Fahrenheit °F → tapa tap |
| (tap × 0503312305535425123) + 52 | (°F - 52) × 1102111302223312210 |
| (tap × 0.849 719 811 281 334) + 32 | (°F - 32) × 1.176 858 520 565 792 |
| HEAT CAPACITY ― agini [AH-ghi-ni] – agn
drv·pad²/(ang²·gtk) ― vrc/gtk अग्नि ‹agni› /ˈɐɡ.n̪i/ «fire» ENTROPY ― parivartana [pah-ree-VAHR-tuh-nuh] – prv परिवर्तन ‹parivartana› /pɐ.ɾiˈʋɐɾ.t̪ɐ.n̪ɐ/ «causing to change» |
|
| agini agn → J/K | J/K → agini agn |
| 200435504400124121505 | 0002545025234143230 |
| 72.777 106 219 696 390 | 0.013 740 584 806 728 |
| SPECIFIC ENERGY ― kadana [KAH-duh-nuh] – kdn
pad²/ang² ― vrc/drv खादन ‹khādana› /ˈkʰɑː.d̪ɐ.n̪ɐ/ «food, meal» |
|
| kadana kdn → J/kg | J/kg → kadana kdn |
| 0130510523033113543 | 3534212413353123300 |
| 0.254 005 984 920 293 | 3.936 915 109 751 436 |
| shatrimakadana XTkdn → kilocalorie kCal | kilocalorie kCal → shatrimakadana XTkdn |
| 0340052223550310125 | 1345015300452540333 |
| 0.611 805 711 808 629 | 1.634 505 825 458 518 |
| SPECIFIC HEAT CAPACITY ― indana [EEN-duh-nuh] – idn
pad²/(ang²·gtk) ― vrc/gtk/drv ― agn/drv ― kdn/gtk ईन्धन ‹īndhana› /'ĩːn̪.d̪ʱɐ̃.nɐ/ «fuel» |
|
| indana idn → J/K/kg | J/K/kg → indana idn |
| 31212015000205501031321 | 0000015052333044210 |
| 4184.050 933 649 753 | 0.000 239 002 826 652 |
| ELECTRIC CURRENT ― dara [DAH-ruh] – dar
धारा ‹dhārā› /ˈd̪ʱɑː.ɾɑː/ «current, stream» |
|
| Free Space Impedance | Elementary Charge 𝑒 |
| 1 ptb | 4305231315104502443 × 10⁻³³ vdt |
| 376.730 313 412 Ω | 1.602 176 634 × 10⁻¹⁹ C |
| pratibada ptb = atr·dar⁻¹ ptb = drv·pad²·ang⁻³·dar⁻² |
vidyuta vdt = dar·ang |
| trimadara Tdar → ampere A | ampere A → trimadara Tdar |
| 3132245024134131041 | 0150121222255031235 |
| 3.261 425 653 746 057 | 0.306 614 378 503 483 |
| ELECTRIC CHARGE ― vidyuta [vi-DYOO-tuh] – vdt
dar·ang विद्युत् ‹vidyut› /ʋɪd̪'jʊt̪/ «lightning» |
|
| charmavidyuta Cvdt → coulomb C | coulomb C → charmavidyuta Cvdt |
| 1001232310204351402 | 0554325255240224522 |
| 1.006 612 856 236 744 | 0.993 430 586 351 269 |
| shatrimavidyuta XTvdt → ampere‐hour Ah | ampere‐hour Ah → shatrimavidyuta XTvdt |
| 2101351214502500424 | 0243202033424345054 |
| 2.174 283 769 471 369 | 0.459 921 567 755 219 |
| ELECTRIC POTENTIAL DIFFERENCE ― antaran [un-TAH-run] – atr
drv·pad²/ang³/dar ― xkt/dar ― vrc/vdt अन्तरण ‹antaraṇa› /ɐ̃n̪'t̪ɐ.ɾɐ̃.ɳɐ/ «transference» |
|
| antaran atr → volt V | volt V → antaran atr |
| 5404402232303334002 | 0101550022005514002 |
| 5.688 323 652 219 260 | 0.175 798 717 010 387 |
|
ELECTRIC RESISTANCE ― viroda [vi-ROH-duh] – vrd
drv·pad²/ang³/dar² ― atr/dar ― xkt/dar² ― vrc·ang/vdt² विरोध ‹virodha› /ʋɪ'ɾoː.d̪ʱɐ/ «opposition» ELECTRIC IMPEDANCE ― bada [BAH-duh] – bad बाधा ‹bādhā› /'bɑː.d̪ʱɑː/ «interruption, hindrance» ELECTRIC REACTANCE ― gata [GAH-tuh] – gat घात ‹ghāta› /ˈɡʱɑː.t̪ɐ/ «destruction, killing» |
|
| tritiviroda tvrd → ohm Ω | ohm Ω → tritiviroda tvrd |
| 1424421425300314553 | 0323502231445305102 |
| 1.744 121 821 351 851 | 0.573 354 445 634 367 |
|
ELECTRIC CONDUCTANCE ― vahata [VAH-huh-tuh] – vht
ang³·dar²/drv/pad² ― dar/atr ― dar²/xkt ― vdt²/vrc/ang वहत्वा ‹vahatva› /ˈʋɐ.ɦɐ.t̪vɐ/ «carrying, leading towards» |
|
| trimavahata Tvht → siemens S | siemens S → trimavahata Tvht |
| 0323502231445305102 | 1424421425300314553 |
| 0.573 354 445 634 367 | 1.744 121 821 351 851 |
|
ELECTRIC CAPACITANCE ― darayata [duh-ruh-YAH-tuh] – dry
dar²·ang⁴/drv/pad² ― vdt/atr धारयत्व ‹dhārayatva› /'d̪ʰɑː.rɐ.jɐ.t̪vɐ/ «capacity, holdingness» |
|
| shamadarayata Xdry → farad F | farad F → shamadarayata Xdry |
| 10212014540012013310 | 0053523345353310320 |
| 6.370 604 951 493 008 | 0.156 970 963 921 667 |
|
MAGNECTIC FLUX ― pravaha [pruh-VAH-huh] – pvh
drv·pad²/ang²/dar ― atr·ang प्रवाह ‹pravāha› /pɾɐ'ʋɑː.ɦɐ/ «stream, current» |
|
| pravaha pvh → weber Wb | weber Wb → pravaha |
| 0143111550551554004 | 3230104050434050241 |
| 0.292 609 241 369 303 | 3.417 527 058 681 979 |
|
MAGNECTIC FLUX DENSITY ― vistara [vis-TAH-ruh] – vtr
drv/ang²/dar ― pvh/ktr विस्तार ‹vistāra› /ʋɪs't̪ɑː.ɾɐ/ «extent, expansion» |
|
| tritivistara tvtr → tesla T | tesla T → tritivistara tvtr |
| 2003203102524340011 | 0255100332333440045 |
| 2.015 500 260 202 063 | 0.496 154 736 243 872 |
| PLANE ANGLE ― mandala [mun-DAH-luh] – mdl
मण्डल ‹maṇḍala› /ˈməɳ.ɖə.l̪ə/ «circle, ring, circumference» |
|
| the perimeter of a full circumference over it’s radius | |
| τR = 2πR for R = 1 | |
| mandala mdl → radian rad | radian rad → mandala mdl |
| τ = 2π = 10141100143234252215 | 1⁄τ = 1/2π = 0054213311044450505 |
| τ = 2π = 6.283 185 307 179 587 | 1⁄τ = 1/2π = 0.159 154 943 091 894 |
| SOLID ANGLE ― gola [GOH-luh] – gol
गोला ‹golā› /ˈɡoːlɑː/ «sphere, globe, ball» |
|
| the surface area of a full sphere over it’s radius | |
| 2τR² = 4πR² for R = 1 | |
| gola gol → steradian sr | steradian sr → gola gol |
| 2τ = 4π = 20322200330512544434 | 1/2τ = 1/4π = 0025104433322223233 |
| 2τ = 4π = 12.566 370 614 359 172 | 1/2τ = 1/4π = 0.079 577 471 545 952 |
| LUMINOUS INTENSITY ― prakasha [pruh-KAH-shuh] – pkx
प्रकाश ‹prakāśa› /pɾə'kɑː.ʃə/ «light» |
|
| Luminous Efficacy of Monochromatic Radiation
of 13502453354043313344 avt (540 THz) |
|
| 1 dxt | |
| 683 ÷ 0.999 997 = 683.002 049 006 147 023 lm·W⁻¹ | |
| drishiti dxt = dpk·xkt⁻¹ dxt = pkx·gol·drv⁻¹·pad⁻²·ang³ |
|
| prakasha pkx → candela cd | candela cd → prakasha pkx |
| 4400155522201314411 | 0114134225220535254 |
| 4.668 207 727 292 735 | 0.214 214 974 657 937 |
| LUMINOUS FLUX ― dipaka [DEE-puh-kuh] – dpk
pkx·gol दीपक ‹dīpaka› /'d̪iː.pɐ.kɐ/ «lamp, source of light» |
|
| dipaca dpk → lumen lm | lumen lm → dipaca dpk |
| 134355030132032554253 | 0003403155153025431 |
| 58.662 428 405 975 910 | 0.017 046 686 050 557 |
| LUMINOUS EFFICACY ― drishiti [DREE-shi-ti] – dxt
pkx·gol·ang³/drv/pad² ― dpk/xkt दृष्टि ‹dṛṣṭi› /'d̪ɾɪʂ.ʈiː/ «eyesight, vision» |
|
| drishiti dxt → lumen per watt lm/W | lumen per watt lm/W → drishiti dxt |
| 3055000235333132215344 | 0000152151000124220 |
| 683.002 049 006 147 000 | 0.001 464 124 450 951 |
| AMOUNT OF SUBSTANCE ― bahuta [buh-HOO-tuh] – bht
बहुत्व ‹bahutva› /bəˈɦut̪.ʋə/ «multitude, abundance» |
|
| Amount of molecules of Water H₂O in 30 drv, called “jala number” 𝘕jal |
|
|
115201440301504354013540025132552
115201440301504354013540025132552 × 10⁵⁰ |
|
|
10,465,987,481,763,400,851,825,236
1.046 598 748 176 340 085 182 523 6 × 10²⁵ |
|
| Atomic mass of Water H₂O | Atomic mass of Carbon ²⁰C |
| 30 dul | 20000035532455101555 dul |
| 18 dul | 12.000 512 897 939 970 dul |
| 18.015 28 Da | 12.0107 Da |
| duli [DOO-li] dul = 𝘕jal⁻¹ drv | |
| bahuta bht → mole mol | mole mol → bahuta bht |
| 25213523023430522454 | 0020232331424035150 |
| 17.379 181 090 020 55 | 0.057 540 110 481 627 4 |
| ATOMIC MASS ― duli [DOO-li] – dul
1⁄𝘕jal drv ― 1 drv = jal dul धूलि ‹dhūli› /'d̪ʱuː.li/ «dust, powder, pollen» |
|
| duli dul → dalton Da | dalton Da → duli du |
| 1000103334502201043 | 0555452232224540333 |
| 1.000 848 888 888 889 | 0.999 151 831 112 255 |