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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. ceiling
  92. centimeters - femtometers
  93. centimeters to decameters
  94. centimeters to micrometers
  95. centripetal
  96. chains
  97. chamfer
  98. channel
  99. Charge
  100. Charles Law
  101. Chemistry
  102. Chemistry - RateConstant
  103. Chemistry Molality
  104. CHM1
  105. circumfernce
  106. Classical Mechanics
  107. Classical Orbital Elements
  108. Code Examples
  109. Coding for Community
  110. column
  111. Combination
  112. Combinations
  113. Combinatoric
  114. Combined Gas Law
  115. combustion engine
  116. Community
  117. Comparison Operator
  118. Component Force
  119. Compounding
  120. Compounding Basis Interest
  121. Computational Chemistry
  122. Computer Science
  123. conduit
  124. cone ended cylinder
  125. Cone Volume
  126. Constant
  127. Constant: Electron Charge
  128. Constant: Mass of A Proton
  129. Constant: Mass of Alpha Particle
  130. Constant: Mass of Electron
  131. Constant: one sigma
  132. Constant: Proton Charge
  133. Constant: six sigma
  134. Constant: three sigma
  135. Constant: two sigma
  136. Consumption
  137. container
  138. Continuous Compounding
  139. Conventional Loan
  140. Conversion of Units
  141. Conversion: grams - grains
  142. Conversion: grams - mommes
  143. Conversion: grams - pennyweights
  144. Conversion: grams - slugs
  145. Conversion: grams - stones
  146. Conversion: grams - ticals
  147. Conversion: hertz to joules
  148. Conversion: hertz to Kelvin
  149. Conversion: hertz to kilograms
  150. Conversion: joules to Hertz
  151. Conversion: joules to Kelvin
  152. Conversion: joules to kilograms
  153. Conversion: kelvins to hertz
  154. Conversion: kelvins to joules
  155. Conversion: kelvins to kilogram
  156. Conversion: kilograms to joules
  157. Conversion: kilograms to Kelvin
  158. Conversion:  grains - grams
  159. Conversion:  grams - drams
  160. Conversion:  grams - tonnes
  161. Conversion:  grams - Troy Pound 
  162. Conversion:  maund - kilogram
  163. cord
  164. Cored
  165. cosecant
  166. cosine
  167. Coulomb's Law
  168. count
  169. Counting
  170. Critical State
  171. cross product
  172. crude oil
  173. cube
  174. cubits
  175. cumulative
  176. cup
  177. Currency
  178. Cycling
  179. Cylinder Surface
  180. Cylinder Volume
  181. dash
  182. Data Storage
  183. DaVinci
  184. Decagon
  185. decameter - centimeter
  186. decameters to meters
  187. decimeters -micrometers
  188. delivery
  189. Delta T
  190. Delta V
  191. denisty
  192. Derivatives
  193. Design
  194. Differential
  195. Diffusion
  196. dirt
  197. Discount Factor
  198. Distribution
  199. ditch
  200. Diving
  201. Dodecagon
  202. dot product
  203. Drag
  204. Drive Belts
  205. Drywall
  206. Dynamics
  207. Earth Model
  208. Earth Science
  209. Earthwork
  210. Eccentricity
  211. Economics
  212. Education
  213. Electric Field
  214. Electric Power
  215. Electrical Wiring
  216. Electricity
  217. Electrochemical
  218. Electromagnetic - Electrical
  219. Electromagnetic Physics
  220. Electromagnetic Theory
  221. electron-volts
  222. Electronic
  223. electronvolts to hertz
  224. Elementary Function
  225. Elliptical
  226. Elliptical Area
  227. Energy
  228. engine
  229. Engineering Probability & Statistics
  230. Enthalpy
  231. equivalence
  232. Euler
  233. Event Probability
  234. Exoplanet
  235. Exponential
  236. fabric
  237. Failure
  238. fall
  239. Fatigue
  240. Fencing
  241. Field
  242. Finance: Banking
  243. Finance: Future Value
  244. Finance: Mortgage
  245. Finite Sum
  246. Firearms / Shooting
  247. Flight
  248. floor
  249. Fluid flow
  250. Fluids Gases
  251. Flux Density
  252. Force and Motion
  253. framing
  254. Free Fall
  255. frequency
  256. Friction
  257. Fuel oil
  258. furlongs
  259. furlongs -  chains
  260. Future Value
  261. galaxy
  262. Gallons
  263. Gas Law 
  264. Gas Pressure
  265. gasoline
  266. Gauges
  267. Gauss
  268. gears
  269. General
  270. General Chemistry
  271. Geo Science
  272. Geology
  273. geometery
  274. Geometric Model
  275. Geometry
  276. Geometry 3D
  277. Geospatial
  278. GPA
  279. Grades
  280. grain
  281. grams
  282. Graphic Art
  283. Gravitational Acceleration
  284. Greek
  285. hartree energy
  286. Haversine
  287. Heart Health
  288. Heat Transfer
  289. hendecagon
  290. heptagon
  291. hexagon
  292. Hobbies
  293. housing
  294. hydro-dynamics
  295. Hydrology
  296. ideal gas
  297. impulse speed
  298. Industrial Engineering
  299. Industries
  300. Industry
  301. Inertia
  302. inference
  303. integer
  304. Integral
  305. Investing
  306. Jupiter
  307. K-12
  308. K-12 Education
  309. Kepler
  310. Kinematic
  311. land
  312. lateral
  313. Launch
  314. Least-squares
  315. Length Conversion
  316. Length Conversion: rods to yards
  317. Length:  feet - yard 
  318. Length:  yard - feet  
  319. Length:  yard - inch  
  320. Light and Matter
  321. Light years - astronomical units
  322. linear
  323. Linear Distance Length
  324. linear regression
  325. liquid solutions
  326. LM 0 - Introduction and review
  327. LM 2
  328. LM 3
  329. LM 4
  330. LM 7
  331. LM 8
  332. LM 9
  333. LM2
  334. LM21
  335. LM25
  336. LM26
  337. LM27
  338. LM5
  339. LM9
  340. load weight
  341. Loan
  342. Loan Balance
  343. Loan Payment
  344. Loans
  345. Loans 
  346. log base b of product
  347. Logarithms
  348. Logical Operator
  349. Logs
  350. lumber
  351. luminosity
  352. Lunar
  353. Machines
  354. Magnetic
  355. magnitude
  356. Management
  357. Marriage Problem
  358. Mars
  359. masonry
  360. Masonry - Concrete
  361. Mass
  362. Mass Conversion:  maund - pound 
  363. Mass of Alpha Particle
  364. mass Relativistic
  365. Mass Weight
  366. Material
  367. Material Science
  368. Materials
  369. Math Algebra
  370. Matrix
  371. matter
  372. max
  373. maximum
  374. mean
  375. Mean Densities
  376. mean Density
  377. Measurement
  378. Measurement of Concentration
  379. Measurement of Concentration 
  380. mechanical advantage
  381. Mechanical Energy
  382. Mechanical Engineering
  383. median
  384. Medical
  385. mega amps
  386. Mercury
  387. Metabolism
  388. Metals
  389. Meteorology
  390. meters
  391. mid point
  392. milk
  393. min
  394. minimum
  395. Model Rocketry
  396. moment of inertia
  397. Mortgage
  398. Mortgage Loan
  399. Mountain Climbing
  400. Multiplayer
  401. Neptune
  402. Network
  403. Networking
  404. Newton's Laws
  405. Newtonian Physics
  406. newtons
  407. NIST
  408. non-reciprocating
  409. nonogon
  410. normal
  411. North American standard
  412. Nuclear Particle
  413. number
  414. Number Theory
  415. Numeric Analysis
  416. Oblate Spheroid
  417. Octagon
  418. Off-Beat
  419. Olive oil
  420. Operation Management
  421. Options
  422. Orbit
  423. Orbit Analysis
  424. Orbital Mechanics
  425. Orbital Parameters
  426. orbital perturbation
  427. orthogonal
  428. Ounce
  429. Ounces
  430. ounces - drams
  431. parabola
  432. Parabolic
  433. paraboloid
  434. parallelogram
  435. Path of Exile
  436. pentagon
  437. perimater
  438. perimeter
  439. perimter
  440. period
  441. Periodic Payment
  442. Periodic Table of Elements
  443. Permittivity
  444. Permutations
  445. Perturbations
  446. petrol
  447. Photon
  448. phsyicsf
  449. Physice
  450. Physics - Boltzmann Constant
  451. Physics / Electromagnetic
  452. Physics / Thermodynamics
  453. Physics Mechanics
  454. Physics: Gas Constant
  455. Physiology Physics
  456. Pi
  457. pie slice
  458. pint
  459. pints
  460. pipe
  461. Planar
  462. Planck
  463. Planetary Geometry
  464. planets
  465. plumber
  466. plumbing
  467. Pluto
  468. PoE
  469. Polygon base
  470. Polygons
  471. Polynomial
  472. position
  473. Pound force
  474. Present Value
  475. Present  Future Value
  476. Pressure Conversion: Bar - Torr
  477. Pressure conversion:  Torr - Bar
  478. Pressure Conversion:  PSI - Pa
  479. Pressure Unit Conversi:  
  480. Pressure  Gas
  481. Pricing
  482. prime
  483. prism
  484. Production
  485. Properties
  486. Psychology
  487. pulley
  488. pumping
  489. Pythagorean
  490. Quadratic
  491. quarts
  492. radius
  493. ramp
  494. range
  495. ratio
  496. Real Fluid
  497. rebar
  498. rectangle
  499. Relativistic
  500. resisitivity
  501. resistance
  502. Respiration
  503. RF Unit Conversion
  504. Right Angle
  505. Right Triangle
  506. ring
  507. Rock Climbing
  508. rods
  509. Room
  510. rope
  511. rotary engine
  512. Rotationa Motion
  513. sailing
  514. sample
  515. Satellite
  516. Satellite Moon Lunar
  517. Satellite Orbit
  518. Satellites
  519. Saturn
  520. Savings
  521. Scalability estimation
  522. scalar division
  523. scalar multiplication
  524. Science
  525. secant
  526. Secants
  527. Secretary Problem
  528. section
  529. Sequence: Fibonacci sequence
  530. Sequences
  531. Shear Strain 
  532. shell
  533. shipping
  534. Shooting
  535. Si
  536. Simple Interest
  537. Sine
  538. slab
  539. Software & Computer Engineering
  540. Software Engineering
  541. Solar
  542. Solar Day
  543. Solute
  544. Solution
  545. Soy bean oil
  546. specific gravity
  547. Specific Heat
  548. Specific Weight
  549. Spherical Trigonometry
  550. spherocylinder
  551. Spheroid
  552. spring
  553. Square
  554. standard deviation
  555. Stars
  556. Statistical Distribution
  557. Statistical Mechanics
  558. statistical test
  559. steel
  560. Stem
  561. Stock Market
  562. Stocks
  563. Stress Analysis  Materials
  564. Stress Engineering
  565. stud
  566. Subtraction
  567. Sum of squares
  568. Summation 0.14-2
  569. sunflower oil
  570. surface
  571. Survey
  572. t-test
  573. tablespoon
  574. taels (Taiwan)
  575. Tangents
  576. tanker
  577. Tax Deduction
  578. tbsp
  579. Teaspoons
  580. Temperature Conversion
  581. Temperature Unit Conversion
  582. Temperature: Absolute Zero
  583. Terminal Velocity
  584. textile
  585. thread
  586. Three Dimensional
  587. thrust
  588. tile
  589. Time
  590. Time Conversion
  591. torque
  592. torus
  593. Train
  594. Transcendental Numbers
  595. Transmission Loss
  596. Transportation
  597. Trapezoid
  598. travel
  599. Travel Time
  600. Trigonometry: arc sine
  601. Trigonometry: Cosine
  602. Trigonometry: Cotangent
  603. Trigonometry: hyperbolic cosine
  604. Trigonometry: hyperbolic sine
  605. Trigonometry: hyperbolic tangent
  606. Trigonometry: Law Of Sines
  607. Trigonometry: Sine
  608. trucking
  609. tsp
  610. tsunami
  611. Two Dimensional
  612. unit vector
  613. Units
  614. Units Conversion
  615. Universal
  616. Uranus
  617. Us
  618. V_Ideal
  619. Variability
  620. Variation
  621. Veins
  622. Venus
  623. vertical
  624. Volume
  625. Volume Conversion: cup - ounce
  626. Volume Conversion: cup - quart 
  627. Volume Conversion:  pint - quart
  628. Volume Conversion:  Gill - Ounce
  629. Volume Conversion:  quart - cup
  630. Volume Unit Conversion
  631. wall
  632. wall paper
  633. walls
  634. wankel
  635. warp speed
  636. Wave Function
  637. Wave Theory
  638. Weight due to force of gravity
  639. weigth
  640. What-if Scenarios  
  641. wine
  642. wire
  643. within Range
  644. World Geodetic System 1984
  645. yarn
  646. yield
  647.   Cardiac
  648.   mW - dBm 
  649.  Economics
  650.  hectometers to decameters
  651.  inch - decimeter
  652.  micrometers to nanometers
  653.  millimeters - micrometers
  654.  Science
  655.  Series

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