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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 (2D)
  45. Area Conversion: acres to rood
  46. area  lateral
  47. Arrhenius
  48. Art
  49. Arteries
  50. Atmospheric Dispersion
  51. Atmospheric Science
  52. Atomic
  53. atomic mass units
  54. Atomic Physics
  55. Atomic Units
  56. Aviation
  57. Ballistic
  58. balloon payment
  59. banking
  60. Basic Operations
  61. beer
  62. belt
  63. Bernoulli's Equation
  64. Berthelot
  65. Binomial Distribution
  66. Biochemistry
  67. Biology
  68. bit
  69. black powder
  70. blood
  71. Blood Flow
  72. blood vessel
  73. Boltzmann
  74. Boolean
  75. Boolean - Logical Operator - OR
  76. bottle
  77. box
  78. Boyles
  79. Brownian Motion
  80. bulk concrete
  81. Business
  82. Business and Finance
  83. byte
  84. cable
  85. Calculus 
  86. Capillaries
  87. capsule
  88. Car Racing
  89. Cardiology
  90. Cardiovascular Physiology
  91. carpet
  92. cartesian
  93. castor oil
  94. ceiling
  95. centimeters - femtometers
  96. centimeters to decameters
  97. centimeters to micrometers
  98. centripedal
  99. centripetal
  100. chains
  101. chamfer
  102. channel
  103. Charge
  104. Charles Law
  105. Chemistry
  106. Chemistry - RateConstant
  107. Chemistry Molality
  108. CHM1
  109. circumfernce
  110. Classical Mechanics
  111. Classical Orbital Elements
  112. Code Examples
  113. Coding for Community
  114. column
  115. Combination
  116. Combinations
  117. Combinatoric
  118. Combined Gas Law
  119. combustion engine
  120. Community
  121. Comparison Operator
  122. Component Force
  123. Compounding
  124. Compounding Basis Interest
  125. Computational Chemistry
  126. Computer Science
  127. conduit
  128. cone ended cylinder
  129. Cone Volume
  130. Constant
  131. Constant: Electron Charge
  132. Constant: Mass of A Proton
  133. Constant: Mass of Alpha Particle
  134. Constant: Mass of Electron
  135. Constant: one sigma
  136. Constant: Proton Charge
  137. Constant: six sigma
  138. Constant: three sigma
  139. Constant: two sigma
  140. Consumption
  141. container
  142. Continuous Compounding
  143. Conventional Loan
  144. Conversion of Units
  145. Conversion: grams - grains
  146. Conversion: grams - mommes
  147. Conversion: grams - pennyweights
  148. Conversion: grams - slugs
  149. Conversion: grams - stones
  150. Conversion: grams - ticals
  151. Conversion: hertz to joules
  152. Conversion: hertz to Kelvin
  153. Conversion: hertz to kilograms
  154. Conversion: joules to Hertz
  155. Conversion: joules to Kelvin
  156. Conversion: joules to kilograms
  157. Conversion: kelvins to hertz
  158. Conversion: kelvins to joules
  159. Conversion: kelvins to kilogram
  160. Conversion: kilograms to joules
  161. Conversion: kilograms to Kelvin
  162. Conversion:  grains - grams
  163. Conversion:  grams - drams
  164. Conversion:  grams - tonnes
  165. Conversion:  grams - Troy Pound 
  166. Conversion:  maund - kilogram
  167. cord
  168. Cored
  169. cosecant
  170. cosine
  171. Coulomb's Law
  172. count
  173. Counting
  174. Critical State
  175. cross product
  176. crude oil
  177. cube
  178. cubits
  179. cumulative
  180. cup
  181. Currency
  182. Cycling
  183. Cylinder Surface
  184. Cylinder Volume
  185. Darcys Law
  186. dash
  187. Data Storage
  188. DaVinci
  189. Decagon
  190. decameter - centimeter
  191. decameters to meters
  192. decimeters -micrometers
  193. delivery
  194. Delta T
  195. Delta V
  196. denisty
  197. Derivatives
  198. Design
  199. Differential
  200. Diffusion
  201. dirt
  202. Discount Factor
  203. Distribution
  204. ditch
  205. Diving
  206. Dodecagon
  207. dot product
  208. Drag
  209. Drive Belts
  210. Drywall
  211. Dynamics
  212. Earth Model
  213. Earth Science
  214. Earthwork
  215. Eccentricity
  216. Economics
  217. Education
  218. Education Statistics
  219. Electric Field
  220. Electric Power
  221. Electrical Wiring
  222. Electrician
  223. Electricity
  224. Electrochemical
  225. Electromagnetic - Electrical
  226. Electromagnetic Physics
  227. Electromagnetic Theory
  228. electron-volts
  229. Electronic
  230. electronvolts to hertz
  231. Elementary Function
  232. Elliptical
  233. Elliptical Area
  234. Energy
  235. engine
  236. Engineering Probability & Statistics
  237. Enthalpy
  238. equivalence
  239. Euler
  240. Event Probability
  241. Exercise
  242. Exoplanet
  243. Exponential
  244. fabric
  245. Failure
  246. fall
  247. Fatigue
  248. Field
  249. Finance: Banking
  250. Finance: Future Value
  251. Finance: Mortgage
  252. Finite Sum
  253. Firearms / Shooting
  254. Flight
  255. floor
  256. Fluid flow
  257. Fluids Gases
  258. Flux Density
  259. Force and Motion
  260. framing
  261. Free Fall
  262. frequency
  263. Friction
  264. Fuel oil
  265. furlongs
  266. furlongs -  chains
  267. Future Value
  268. galaxy
  269. Gallons
  270. garden
  271. Gardening
  272. Gardening / Landscaping / Horticulture
  273. Gas Law 
  274. Gas Pressure
  275. gasoline
  276. Gauges
  277. Gauss
  278. gears
  279. General
  280. General Chemistry
  281. Geo Science
  282. Geology
  283. geometery
  284. Geometric Model
  285. Geometry
  286. Geometry 3D
  287. Geospatial
  288. GPA
  289. Grades
  290. grain
  291. grams
  292. Graphic Art
  293. Gravitational Acceleration
  294. Greek
  295. hartree energy
  296. Haversine
  297. Health and Fitness
  298. Heart Health
  299. Heat Transfer
  300. hendecagon
  301. heptagon
  302. hexagon
  303. Hobbies
  304. housing
  305. hydro-dynamics
  306. Hydrology
  307. ideal gas
  308. Ideal gas constant
  309. impulse speed
  310. Industrial Engineering
  311. Industries
  312. industry
  313. Inertia
  314. inference
  315. integer
  316. Integral
  317. Investing
  318. Joists
  319. Jupiter
  320. K-12
  321. K-12 Education
  322. Kepler
  323. Kinematic
  324. Kinematics
  325. land
  326. lateral
  327. Launch
  328. Least-squares
  329. Length Conversion
  330. Length Conversion: rods to yards
  331. Length:  feet - yard 
  332. Length:  yard - feet  
  333. Length:  yard - inch  
  334. Light and Matter
  335. Light years - astronomical units
  336. Lighting
  337. Linear
  338. Linear Distance Length
  339. linear regression
  340. liquid solutions
  341. LM 0 - Introduction and review
  342. LM 2
  343. LM 3
  344. LM 4
  345. LM 7
  346. LM 8
  347. LM2
  348. LM21
  349. LM25
  350. LM26
  351. LM27
  352. LM5
  353. LM9
  354. load weight
  355. Loan
  356. Loan Balance
  357. Loan Payment
  358. Loans
  359. Loans 
  360. log base b of product
  361. Logarithms
  362. Logical Operator
  363. Logs
  364. lumber
  365. luminosity
  366. Lunar
  367. Machines
  368. Magnetic
  369. magnitude
  370. Management
  371. Marriage Problem
  372. Mars
  373. Masonry
  374. Masonry - Concrete
  375. Mass
  376. Mass Conversion:  maund - pound 
  377. Mass of Alpha Particle
  378. mass Relativistic
  379. Mass Weight
  380. Material
  381. Material Science
  382. Materials
  383. Math Algebra
  384. Matrix
  385. matter
  386. maximum
  387. Mean Densities
  388. mean Density
  389. Measurement
  390. Measurement of Concentration
  391. Measurement of Concentration 
  392. mechanical advantage
  393. Mechanical Energy
  394. Mechanical Engineering
  395. Medical
  396. mega amps
  397. Mercury
  398. Metabolism
  399. Metals
  400. Meteorology
  401. meters
  402. milk
  403. minimum
  404. mode
  405. Model Rocketry
  406. moment of inertia
  407. Mortgage
  408. Mortgage Loan
  409. Mountain Climbing
  410. Multiplayer
  411. Neptune
  412. Network
  413. Networking
  414. Newton's Laws
  415. Newtonian Physics
  416. Newtons
  417. NIST
  418. non-reciprocating
  419. nonogon
  420. normal
  421. normal distribution
  422. North American standard
  423. Nuclear Particle
  424. number
  425. Number Theory
  426. Numeric Analysis
  427. Oblate Spheroid
  428. Octagon
  429. Off-Beat
  430. Olive oil
  431. on center
  432. One-repetition maximum
  433. Operation Management
  434. Options
  435. Orbit
  436. Orbit Analysis
  437. Orbital Mechanics
  438. Orbital Parameters
  439. orbital perturbation
  440. orthogonal
  441. Ounce
  442. Ounces
  443. ounces - drams
  444. parabola
  445. Parabolic
  446. paraboloid
  447. parallelogram
  448. Path of Exile
  449. pentagon
  450. perimater
  451. perimeter
  452. perimter
  453. period
  454. Periodic Payment
  455. Periodic Table of Elements
  456. Permittivity
  457. Permutations
  458. Perturbations
  459. petrol
  460. Photon
  461. phsyicsf
  462. Physice
  463. Physics - Boltzmann Constant
  464. Physics / Electromagnetic
  465. Physics / Thermodynamics
  466. Physics Mechanics
  467. Physics: Gas Constant
  468. Physiology Physics
  469. Pi
  470. pie slice
  471. pint
  472. pints
  473. pipe
  474. Planar
  475. Planck
  476. Planetary Geometry
  477. planets
  478. Plumber
  479. Plumbing
  480. Pluto
  481. PoE
  482. Polygon base
  483. Polygons
  484. Polynomial
  485. population
  486. Population Statistics
  487. position
  488. Pound force
  489. Present Value
  490. Present  Future Value
  491. Pressure
  492. Pressure Conversion: Bar - Torr
  493. Pressure conversion:  Torr - Bar
  494. Pressure Conversion:  PSI - Pa
  495. Pressure Unit Conversi:  
  496. Pressure  Gas
  497. Pricing
  498. prime
  499. prism
  500. Production
  501. Properties
  502. Psychology Statistics
  503. pulley
  504. pumping
  505. Pythagorean
  506. Quadratic
  507. quarts
  508. radius
  509. ramp
  510. range
  511. ratio
  512. Real Fluid
  513. Rebar
  514. rectangle
  515. Relativistic
  516. resisitivity
  517. Resistance
  518. Respiration
  519. RF Unit Conversion
  520. Right Angle
  521. Right Triangle
  522. ring
  523. Rock Climbing
  524. rods
  525. room
  526. rope
  527. rotary engine
  528. Rotationa Motion
  529. sailing
  530. Satellite
  531. Satellite Moon Lunar
  532. Satellite Orbit
  533. Satellites
  534. Saturn
  535. Savings
  536. Scalability estimation
  537. scalar division
  538. scalar multiplication
  539. Science
  540. secant
  541. Secants
  542. Secretary Problem
  543. section
  544. Sequence: Fibonacci sequence
  545. Sequences
  546. Shear Strain 
  547. shell
  548. shipping
  549. Shooting
  550. Si
  551. Simple Interest
  552. Sine
  553. Single Variable Statistics
  554. slab
  555. Software & Computer Engineering
  556. Software Engineering
  557. Solar
  558. Solar Day
  559. Solute
  560. Solution
  561. Soy bean oil
  562. specific gravity
  563. Specific Heat
  564. Specific Weight
  565. Spherical Trigonometry
  566. spherocylinder
  567. Spheroid
  568. spring
  569. Square
  570. Stars
  571. Statistical Distribution
  572. Statistical Mechanics
  573. statistical test
  574. steel
  575. Stem
  576. Stock Market
  577. Stocks
  578. Stress Analysis  Materials
  579. Stress Engineering
  580. stud
  581. studs
  582. Subtraction
  583. Sum of squares
  584. Summation 0.14-2
  585. sunflower oil
  586. surface
  587. Survey
  588. t-test
  589. tablespoon
  590. taels (Taiwan)
  591. Tangents
  592. tanker
  593. Tax Deduction
  594. tbsp
  595. Teaspoons
  596. Temperature Conversion
  597. Temperature Unit Conversion
  598. Temperature: Absolute Zero
  599. Terminal Velocity
  600. textile
  601. thread
  602. Three Dimensional
  603. thrust
  604. tile
  605. Time
  606. Time Conversion
  607. torque
  608. torus
  609. train
  610. Transcendental Numbers
  611. Transmission Loss
  612. Transportation
  613. Trapezoid
  614. travel
  615. Travel Time
  616. Trigonometry: arc sine
  617. Trigonometry: Cosine
  618. Trigonometry: Cotangent
  619. Trigonometry: hyperbolic cosine
  620. Trigonometry: hyperbolic sine
  621. Trigonometry: hyperbolic tangent
  622. Trigonometry: Law Of Sines
  623. Trigonometry: Sine
  624. trucking
  625. tsp
  626. tsunami
  627. Two Dimensional
  628. Unit Conversions
  629. unit vector
  630. Units
  631. Units Conversion
  632. Universal
  633. Uranus
  634. Us
  635. V_Ideal
  636. Variability
  637. Variation
  638. Veins
  639. Venus
  640. vertical
  641. Volume
  642. Volume Conversion: cup - ounce
  643. Volume Conversion: cup - quart 
  644. Volume Conversion:  pint - quart
  645. Volume Conversion:  Gill - Ounce
  646. Volume Conversion:  quart - cup
  647. Volume Unit Conversion
  648. wall
  649. wall paper
  650. Walls
  651. wankel
  652. warp speed
  653. Wave Function
  654. Wave Theory
  655. Weight due to force of gravity
  656. Weight Lifting
  657. weigth
  658. What-if Scenarios  
  659. wine
  660. wire
  661. within Range
  662. World Geodetic System 1984
  663. yarn
  664. yield
  665. z-score
  666.   Cardiac
  667.   mW - dBm 
  668.  Economics
  669.  hectometers to decameters
  670.  inch - decimeter
  671.  micrometers to nanometers
  672.  millimeters - micrometers
  673.  Science
  674.  Series

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