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vCalc is a social media productivity tool that is building the world’s premier calculator for the web and mobile devices. Through the power of crowd-sourcing, vCalc.com contains the world’s fastest growing library of equations and data.

vCalc empowers users to create Your Math with the tools to develop and share equations and data, and the ability to publish data using wikis and web-enabled calculators by using any combination of equations from vCalc’s global community and social network.

vCalc is used by the public and in universities in over sixty countries, where users can create, collaborate, and calculate information to build the world’s greatest utility for the math used in our lives.

Popular Tags

  1. logarithmic: e
  2. 2D
  3. 2D - Plane
  4. 2x3
  5. 2x4
  6. 2x6
  7. 3D - Euclidean
  8. 3D Ellipse
  9. 3D Geometry
  10. Access
  11. Accounting
  12. Addition
  13. Aerodynamics
  14. Aerospace
  15. Aesthetics
  16. Air Travel
  17. Aircraft Flight
  18. alcohol
  19. Algebra Basic Function
  20. Alpha Particle
  21. Altitude
  22. Altitude Sickness
  23. aluminum
  24. amateur radio
  25. Amortization
  26. Amortization  
  27. amps
  28. Analytic Geometry
  29. Analytical
  30. Ancient Units Conversion
  31. And
  32. angle
  33. angular frequency
  34. angular rotation
  35. Angular Velocity
  36. Annually
  37. annulus
  38. APR
  39. arc
  40. arc segment
  41. arc sine
  42. Architecture
  43. Architecture and Design
  44. Area Conversion: acres to rood
  45. area  lateral
  46. Arrhenius
  47. Art
  48. Arteries
  49. Atmospheric Dispersion
  50. Atmospheric Science
  51. Atomic
  52. atomic mass units
  53. Atomic Physics
  54. Atomic Units
  55. Aviation
  56. Ballistic
  57. balloon payment
  58. banking
  59. Basic Operations
  60. beer
  61. belt
  62. Bernoulli's Equation
  63. Berthelot
  64. Biochemistry
  65. Biology
  66. bit
  67. black powder
  68. blood
  69. Blood Flow
  70. Boltzmann
  71. Boolean
  72. Boolean - Logical Operator - OR
  73. bottle
  74. box
  75. Boyles
  76. Brownian Motion
  77. bulk concrete
  78. Business
  79. Business and Finance
  80. byte
  81. cable
  82. Calculus 
  83. Capillaries
  84. capsule
  85. Car Racing
  86. Cardiology
  87. Cardiovascular Physiology
  88. carpet
  89. cartesian
  90. castor oil
  91. centimeters - femtometers
  92. centimeters to decameters
  93. centimeters to micrometers
  94. chains
  95. chamfer
  96. channel
  97. Charge
  98. Charles Law
  99. Chemistry
  100. Chemistry - RateConstant
  101. Chemistry Molality
  102. CHM1
  103. circumfernce
  104. Classical Orbital Elements
  105. Code Examples
  106. Coding for Community
  107. column
  108. Combination
  109. Combinatoric
  110. Combined Gas Law
  111. combustion engine
  112. Community
  113. Comparison Operator
  114. Component Force
  115. Compounding
  116. Compounding Basis Interest
  117. Computational Chemistry
  118. Computer Science
  119. conduit
  120. cone ended cylinder
  121. Cone Volume
  122. Constant
  123. Constant: Electron Charge
  124. Constant: Mass of A Proton
  125. Constant: Mass of Alpha Particle
  126. Constant: Mass of Electron
  127. Constant: one sigma
  128. Constant: Proton Charge
  129. Constant: six sigma
  130. Constant: three sigma
  131. Constant: two sigma
  132. Construction
  133. Consumption
  134. container
  135. Continuous Compounding
  136. Conventional Loan
  137. Conversion of Units
  138. Conversion: grams - grains
  139. Conversion: grams - mommes
  140. Conversion: grams - pennyweights
  141. Conversion: grams - slugs
  142. Conversion: grams - stones
  143. Conversion: grams - ticals
  144. Conversion: hertz to joules
  145. Conversion: hertz to Kelvin
  146. Conversion: hertz to kilograms
  147. Conversion: joules to Hertz
  148. Conversion: joules to Kelvin
  149. Conversion: joules to kilograms
  150. Conversion: kelvins to hertz
  151. Conversion: kelvins to joules
  152. Conversion: kelvins to kilogram
  153. Conversion: kilograms to joules
  154. Conversion: kilograms to Kelvin
  155. Conversion:  grains - grams
  156. Conversion:  grams - drams
  157. Conversion:  grams - tonnes
  158. Conversion:  grams - Troy Pound 
  159. Conversion:  maund - kilogram
  160. cord
  161. Cored
  162. cosecant
  163. cosine
  164. Counting
  165. Critical State
  166. cross product
  167. crude oil
  168. cube
  169. cubits
  170. cumulative
  171. cup
  172. Currency
  173. Cycling
  174. Cylinder Surface
  175. Cylinder Volume
  176. dash
  177. Data Storage
  178. DaVinci
  179. Decagon
  180. decameter - centimeter
  181. decameters to meters
  182. decimeters -micrometers
  183. delivery
  184. Delta T
  185. Delta V
  186. denisty
  187. Derivatives
  188. Design
  189. Differential
  190. Diffusion
  191. dirt
  192. Discount Factor
  193. Distribution
  194. ditch
  195. Diving
  196. Dodecagon
  197. dot product
  198. Drag
  199. Drive Belts
  200. Drywall
  201. Dynamics
  202. Earth Model
  203. Earth Science
  204. Earthwork
  205. Eccentricity
  206. Economics
  207. Education
  208. Electric Field
  209. Electric Power
  210. Electrical Wiring
  211. Electricity
  212. Electrochemical
  213. Electromagnetic - Electrical
  214. Electromagnetic Physics
  215. Electromagnetic Theory
  216. electron-volts
  217. Electronic
  218. electronvolts to hertz
  219. Elementary Function
  220. Elliptical
  221. Elliptical Area
  222. Energy
  223. engine
  224. Engineering Probability & Statistics
  225. Enthalpy
  226. equivalence
  227. Euler
  228. Event Probability
  229. Exoplanet
  230. Exponential
  231. fabric
  232. Failure
  233. fall
  234. Fatigue
  235. Fencing
  236. Field
  237. Finance: Banking
  238. Finance: Future Value
  239. Finance: Mortgage
  240. Finite Sum
  241. Firearms / Shooting
  242. Flight
  243. floor
  244. Fluid flow
  245. Fluids Gases
  246. Flux Density
  247. framing
  248. Free Fall
  249. frequency
  250. Friction
  251. Fuel oil
  252. furlongs
  253. furlongs -  chains
  254. Future Value
  255. galaxy
  256. Gallons
  257. Gas Law 
  258. Gas Pressure
  259. gasoline
  260. Gauges
  261. gears
  262. General
  263. General Chemistry
  264. Geo Science
  265. Geology
  266. geometery
  267. Geometric Model
  268. Geometry
  269. Geometry 3D
  270. Geospatial
  271. GPA
  272. Grades
  273. grain
  274. grams
  275. Graphic Art
  276. Gravitational Acceleration
  277. Greek
  278. hartree energy
  279. Haversine
  280. Heart Health
  281. Heat Transfer
  282. hendecagon
  283. heptagon
  284. hexagon
  285. Hobbies
  286. housing
  287. hydro-dynamics
  288. Hydrology
  289. impulse speed
  290. Industrial Engineering
  291. Industries
  292. Industry
  293. Inertia
  294. integer
  295. Integral
  296. Investing
  297. Jupiter
  298. K-12
  299. K-12 Education
  300. Kepler
  301. Kinematic
  302. land
  303. lateral
  304. Launch
  305. Length Conversion
  306. Length Conversion: rods to yards
  307. Length:  feet - yard 
  308. Length:  yard - feet  
  309. Length:  yard - inch  
  310. Light and Matter
  311. Light years - astronomical units
  312. Linear
  313. Linear Distance Length
  314. liquid solutions
  315. LM 0 - Introduction and review
  316. LM 2
  317. LM 3
  318. LM 4
  319. LM 7
  320. LM 8
  321. LM2
  322. LM21
  323. LM25
  324. LM26
  325. LM27
  326. load weight
  327. Loan
  328. Loan Balance
  329. Loan Payment
  330. Loans
  331. Loans 
  332. log base b of product
  333. Logarithms
  334. Logical Operator
  335. Logs
  336. lumber
  337. luminosity
  338. Lunar
  339. Machines
  340. Magnetic
  341. magnitude
  342. Management
  343. Marriage Problem
  344. Mars
  345. masonry
  346. Masonry - Concrete
  347. Mass
  348. Mass Conversion:  maund - pound 
  349. Mass of Alpha Particle
  350. mass Relativistic
  351. Mass Weight
  352. Material
  353. Material Science
  354. Materials
  355. Math Algebra
  356. Matrix
  357. matter
  358. Mean Densities
  359. mean Density
  360. Measurement
  361. Measurement of Concentration
  362. Measurement of Concentration 
  363. mechanical advantage
  364. Mechanical Engineering
  365. Medical
  366. mega amps
  367. Mercury
  368. Metabolism
  369. Metals
  370. Meteorology
  371. meters
  372. milk
  373. Model Rocketry
  374. moment of inertia
  375. Mortgage
  376. Mortgage Loan
  377. Mountain Climbing
  378. Multiplayer
  379. Neptune
  380. Network
  381. Networking
  382. Newton's Laws
  383. Newtonian Physics
  384. newtons
  385. NIST
  386. non-reciprocating
  387. nonogon
  388. normal
  389. North American standard
  390. Nuclear Particle
  391. number
  392. Number Theory
  393. Numeric Analysis
  394. Oblate Spheroid
  395. Octagon
  396. Off-Beat
  397. Olive oil
  398. Operation Management
  399. Options
  400. Orbit
  401. Orbit Analysis
  402. Orbital Mechanics
  403. Orbital Parameters
  404. orbital perturbation
  405. orthogonal
  406. Ounce
  407. Ounces
  408. ounces - drams
  409. parabola
  410. Parabolic
  411. paraboloid
  412. parallelogram
  413. Path of Exile
  414. pentagon
  415. perimater
  416. perimeter
  417. perimter
  418. period
  419. Periodic Payment
  420. Periodic Table of Elements
  421. Permutations
  422. Perturbations
  423. petrol
  424. Photon
  425. phsyicsf
  426. Physice
  427. Physics - Boltzmann Constant
  428. Physics / Thermodynamics
  429. Physics Mechanics
  430. Physics: Gas Constant
  431. Physiology Physics
  432. Pi
  433. pie slice
  434. pint
  435. pints
  436. pipe
  437. Planar
  438. Planck
  439. Planetary Geometry
  440. planets
  441. plumber
  442. plumbing
  443. Pluto
  444. PoE
  445. Polygon base
  446. Polygons
  447. position
  448. Pound force
  449. Present Value
  450. Present  Future Value
  451. Pressure Conversion: Bar - Torr
  452. Pressure conversion:  Torr - Bar
  453. Pressure Conversion:  PSI - Pa
  454. Pressure Unit Conversi:  
  455. Pressure  Gas
  456. Pricing
  457. prime
  458. prism
  459. Production
  460. Properties
  461. Psychology
  462. pulley
  463. pumping
  464. Pythagorean
  465. Quadratic
  466. quarts
  467. radius
  468. ramp
  469. range
  470. ratio
  471. Real Fluid
  472. rebar
  473. rectangle
  474. Relativistic
  475. resisitivity
  476. resistance
  477. Respiration
  478. RF Unit Conversion
  479. Right Angle
  480. Right Triangle
  481. ring
  482. Rock Climbing
  483. rods
  484. Room
  485. rope
  486. rotary engine
  487. Rotationa Motion
  488. sailing
  489. Satellite
  490. Satellite Moon Lunar
  491. Satellite Orbit
  492. Satellites
  493. Saturn
  494. Savings
  495. Scalability estimation
  496. scalar division
  497. scalar multiplication
  498. Science
  499. secant
  500. Secants
  501. Secretary Problem
  502. section
  503. Sequence: Fibonacci sequence
  504. Sequences
  505. Shear Strain 
  506. shell
  507. shipping
  508. Shooting
  509. Si
  510. Simple Interest
  511. Sine
  512. slab
  513. Software & Computer Engineering
  514. Software Engineering
  515. Solar
  516. Solar Day
  517. Solute
  518. Solution
  519. Soy bean oil
  520. specific gravity
  521. Specific Heat
  522. Specific Weight
  523. Spherical Trigonometry
  524. spherocylinder
  525. Spheroid
  526. spring
  527. Square
  528. Stars
  529. Statistical Distribution
  530. Statistical Mechanics
  531. steel
  532. Stem
  533. Stock Market
  534. Stocks
  535. Stress Analysis  Materials
  536. Stress Engineering
  537. stud
  538. Subtraction
  539. sum
  540. Summation 0.14-2
  541. sunflower oil
  542. surface
  543. Survey
  544. tablespoon
  545. taels (Taiwan)
  546. Tangents
  547. tanker
  548. Tax Deduction
  549. tbsp
  550. Teaspoons
  551. Temperature Conversion
  552. Temperature Unit Conversion
  553. Temperature: Absolute Zero
  554. Terminal Velocity
  555. textile
  556. thread
  557. Three Dimensional
  558. thrust
  559. tile
  560. Time
  561. Time Conversion
  562. torque
  563. torus
  564. Train
  565. Transcendental Numbers
  566. Transmission Loss
  567. Transportation
  568. Trapezoid
  569. travel
  570. Travel Time
  571. Trigonometry: arc sine
  572. Trigonometry: Cosine
  573. Trigonometry: Cotangent
  574. Trigonometry: hyperbolic cosine
  575. Trigonometry: hyperbolic sine
  576. Trigonometry: hyperbolic tangent
  577. Trigonometry: Law Of Sines
  578. Trigonometry: Sine
  579. trucking
  580. tsp
  581. tsunami
  582. Two Dimensional
  583. unit vector
  584. Units
  585. Units Conversion
  586. Universal
  587. Uranus
  588. Us
  589. V_Ideal
  590. Variability
  591. Variance
  592. Variation
  593. vCommons
  594. Veins
  595. Venus
  596. vertical
  597. Volume
  598. Volume Conversion: cup - ounce
  599. Volume Conversion: cup - quart 
  600. Volume Conversion:  pint - quart
  601. Volume Conversion:  Gill - Ounce
  602. Volume Conversion:  quart - cup
  603. Volume Unit Conversion
  604. wall
  605. wall paper
  606. Walls
  607. wankel
  608. warp speed
  609. Wave Function
  610. Wave Theory
  611. Weight due to force of gravity
  612. weigth
  613. What-if Scenarios  
  614. wine
  615. wire
  616. within Range
  617. World Geodetic System 1984
  618. yarn
  619. yield
  620.   Cardiac
  621.   mW - dBm 
  622.  Economics
  623.  hectometers to decameters
  624.  inch - decimeter
  625.  micrometers to nanometers
  626.  millimeters - micrometers
  627.  Science
  628.  Series

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