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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 - Plane
  3. 2D Plane
  4. 2D-Plane Geometry
  5. 2x2 Matrix
  6. 2x3
  7. 2x4
  8. 2x6
  9. 3D - Euclidean
  10. 3D Ellipse
  11. 3x3
  12. 3x3 Matrix
  13. Access
  14. Accounting
  15. Addition
  16. Aerodynamics
  17. Aerospace
  18. Aerospace Engineering
  19. Aesthetics
  20. Air
  21. Air Travel
  22. Aircraft Flight
  23. alcohol
  24. Algebra Basic Function
  25. Alpha Particle
  26. Altitude
  27. Altitude Sickness
  28. aluminum
  29. amateur radio
  30. Amortization
  31. Amortization  
  32. amps
  33. Analytic Geometry
  34. Analytical
  35. Ancient Units Conversion
  36. And
  37. angle
  38. angular frequency
  39. angular rotation
  40. Angular Velocity
  41. Annually
  42. annulus
  43. APR
  44. arc
  45. arc segment
  46. arc sine
  47. Architecture
  48. Architecture and Design
  49. Area
  50. Area (2D)
  51. Area Conversion: acres to rood
  52. area  lateral
  53. Arrhenius
  54. Art
  55. Arteries
  56. Astrodynamics
  57. Atmospheric Dispersion
  58. Atmospheric Science
  59. Atomic
  60. atomic mass units
  61. Atomic Physics
  62. Atomic Units
  63. Aviation
  64. Ballistic
  65. Ballistic Trajectory
  66. balloon payment
  67. banking
  68. Basic Operations
  69. beer
  70. belt
  71. Bernoulli's Equation
  72. Berthelot
  73. Binomial Distribution
  74. Biochemistry
  75. Biology
  76. bit
  77. black powder
  78. blood
  79. Blood Flow
  80. blood vessel
  81. Boltzmann
  82. Boolean
  83. Boolean - Logical Operator - OR
  84. bottle
  85. Bowl
  86. Boyles
  87. Brownian Motion
  88. bulk concrete
  89. buoyancy
  90. Business
  91. Business and Finance
  92. byte
  93. c
  94. cable
  95. Calculus 
  96. Canada
  97. Canadian Dollar
  98. Capillaries
  99. capsule
  100. Car Racing
  101. Cardiology
  102. Cardiovascular Physiology
  103. Carpentry
  104. carpet
  105. cartesian
  106. castor oil
  107. ceiling
  108. centimeters - femtometers
  109. centimeters to decameters
  110. centimeters to micrometers
  111. centripedal
  112. centripetal
  113. chains
  114. chamfer
  115. channel
  116. Charge
  117. Charles Law
  118. Chemical Engineering
  119. Chemical Thermodynamics
  120. Chemistry
  121. Chemistry Molality
  122. China
  123. CHM1
  124. chord
  125. circumfernce
  126. Civil Engineering
  127. Classical Mechanics
  128. Classical Orbital Elements
  129. CO2
  130. Code Examples
  131. Coding for Community
  132. column
  133. Combination
  134. Combinations
  135. Combinatoric
  136. Combined Gas Law
  137. combustion engine
  138. Community
  139. Comparison Operator
  140. Component Force
  141. Compounding
  142. Compounding Basis Interest
  143. Computational Chemistry
  144. Computer Science
  145. conduit
  146. cone ended cylinder
  147. Cone Volume
  148. Constant
  149. Constant: Electron Charge
  150. Constant: Mass of A Proton
  151. Constant: Mass of Alpha Particle
  152. Constant: Mass of Electron
  153. Constant: one sigma
  154. Constant: Proton Charge
  155. Constant: six sigma
  156. Constant: three sigma
  157. Constant: two sigma
  158. Construction
  159. Consumption
  160. container
  161. Continuous Compounding
  162. Conventional Loan
  163. Conversion: grams - grains
  164. Conversion: grams - mommes
  165. Conversion: grams - pennyweights
  166. Conversion: grams - slugs
  167. Conversion: grams - stones
  168. Conversion: grams - ticals
  169. Conversion: hertz to joules
  170. Conversion: hertz to Kelvin
  171. Conversion: hertz to kilograms
  172. Conversion: joules to Hertz
  173. Conversion: joules to Kelvin
  174. Conversion: joules to kilograms
  175. Conversion: kelvins to hertz
  176. Conversion: kelvins to joules
  177. Conversion: kelvins to kilogram
  178. Conversion: kilograms to joules
  179. Conversion: kilograms to Kelvin
  180. Conversion:  grains - grams
  181. Conversion:  grams - drams
  182. Conversion:  grams - tonnes
  183. Conversion:  grams - Troy Pound 
  184. Conversion:  maund - kilogram
  185. cord
  186. Cored
  187. corn
  188. Corporate Finance
  189. cosecant
  190. cosine
  191. Coulomb's Law
  192. count
  193. Counting
  194. Critical State
  195. cross product
  196. crude oil
  197. cube
  198. cubits
  199. cuboid
  200. cumulative
  201. cup
  202. Currency
  203. Cycling
  204. Cylinder Surface
  205. Cylinder Volume
  206. cylindrical
  207. Cylindrical Coordinates
  208. dam
  209. Darcys Law
  210. dash
  211. Data Storage
  212. DaVinci
  213. Decagon
  214. decameter - centimeter
  215. decameters to meters
  216. decimeters -micrometers
  217. defusion
  218. delivery
  219. Delta T
  220. Delta V
  221. denisty
  222. Derivatives
  223. Design
  224. diagonal
  225. Differential
  226. Differential Equations
  227. Diffusion
  228. dirt
  229. Discount Factor
  230. ditch
  231. Diving
  232. Dodecagon
  233. Dodecahedron
  234. Dollar
  235. dot product
  236. Drag
  237. Drilling
  238. Drive Belts
  239. Drywall
  240. Dynamics
  241. Earth Model
  242. Earth Science
  243. Earthwork
  244. Eccentricity
  245. Economics
  246. Education
  247. Education Statistics
  248. effusion
  249. Electric Field
  250. Electric Power
  251. Electrical Wiring
  252. Electrician
  253. Electricity
  254. Electrochemical
  255. Electromagnetic - Electrical
  256. Electromagnetic Physics
  257. Electromagnetic Theory
  258. electron-volts
  259. Electronic
  260. electronvolts to hertz
  261. element
  262. Elementary Function
  263. Elliptical
  264. Elliptical Area
  265. Energy
  266. engine
  267. Enthalpy
  268. equilateral triangle
  269. equivalence
  270. Euler
  271. EURO
  272. European
  273. Event Probability
  274. Exchange Rates
  275. Exercise
  276. Exoplanet
  277. Exponential
  278. fabric
  279. Failure
  280. fall
  281. Fatigue
  282. fence
  283. Field
  284. Finance: Banking
  285. Finance: Future Value
  286. Finance: Mortgage
  287. Finite Sum
  288. Firearms / Shooting
  289. Flight
  290. floor
  291. flow rate
  292. Fluid flow
  293. Fluids Gases
  294. Flux Density
  295. Force and Motion
  296. Formula
  297. framing
  298. Free Fall
  299. frequency
  300. Friction
  301. Fuel oil
  302. furlongs
  303. furlongs -  chains
  304. Future Value
  305. g
  306. Gaj
  307. galaxy
  308. gallon
  309. Gallons
  310. garden
  311. Gardening
  312. Gardening / Landscaping / Horticulture
  313. Gas Law 
  314. Gas Pressure
  315. gasoline
  316. Gauges
  317. Gauss
  318. gears
  319. General Chemistry
  320. Geo Science
  321. Geo-Science
  322. Geology
  323. geometery
  324. Geometric Model
  325. Geometry
  326. Geometry 3D
  327. Geospatial
  328. gold
  329. GPA
  330. Grades
  331. Grahams Law
  332. grain
  333. grams
  334. Graphic Art
  335. Gravitational Acceleration
  336. Great Britain
  337. Greek
  338. Greenhouse
  339. hartree energy
  340. Haversine
  341. Health and Fitness
  342. Heart Health
  343. Heat Transfer
  344. hemisphere
  345. hendecagon
  346. heptagon
  347. hexagon
  348. Hobbies
  349. housing
  350. Hydraulics
  351. hydro-dynamics
  352. Hydrology
  353. ideal gas
  354. Ideal gas constant
  355. Impulse
  356. impulse speed
  357. India
  358. Industrial Engineering
  359. Industries
  360. industry
  361. Inertia
  362. inference
  363. integer
  364. Integral
  365. International Shopping
  366. Inverse
  367. Investing
  368. Ireland
  369. Iron
  370. Japan
  371. Joists
  372. Jupiter
  373. K-12
  374. K-12 Education
  375. Kepler
  376. kilo-light-year
  377. Kinematic
  378. Kinematics
  379. Kinetic Energy
  380. land
  381. lateral
  382. Launch
  383. Lead
  384. Least-squares
  385. Length Conversion: rods to yards
  386. Length:  feet - yard 
  387. Length:  yard - feet  
  388. Length:  yard - inch  
  389. lever
  390. leverage
  391. Light years - astronomical units
  392. light-hour
  393. light-minute
  394. light-second
  395. light-year
  396. Lighting
  397. line
  398. Linear Distance Length
  399. linear regression
  400. liquid solutions
  401. liter
  402. litre
  403. LM 0 - Introduction and review
  404. LM 2
  405. LM 3
  406. LM 4
  407. LM 6
  408. LM 7
  409. LM 8
  410. LM11
  411. LM19
  412. LM2
  413. LM21
  414. LM25
  415. LM26
  416. LM27
  417. LM35
  418. LM5
  419. LM9
  420. load weight
  421. Loan
  422. Loan Balance
  423. Loan Payment
  424. Loans
  425. Loans 
  426. log base b of product
  427. Logarithms
  428. Logical Operator
  429. Logs
  430. LPG
  431. LPG storage
  432. lumber
  433. luminosity
  434. Luminous Intensity
  435. Lunar
  436. Machines
  437. Magnetic
  438. magnitude
  439. maize
  440. Management
  441. Marriage Problem
  442. Mars
  443. Masonry
  444. Masonry - Concrete
  445. Mass
  446. Mass Conversion:  maund - pound 
  447. Mass of Alpha Particle
  448. mass Relativistic
  449. Mass Weight
  450. Material
  451. Material Science
  452. Materials
  453. Math Algebra
  454. Matrix
  455. matter
  456. Mean Densities
  457. Measurement of Concentration
  458. Measurement of Concentration 
  459. mechanical advantage
  460. Mechanical Energy
  461. Mechanical Engineering
  462. Medical
  463. mega amps
  464. Mercury
  465. Metabolism
  466. Metals
  467. Meteorology
  468. meters
  469. mileage
  470. milk
  471. mode
  472. Model Rocketry
  473. Molar Mass
  474. moment of inertia
  475. momentum
  476. Mortgage
  477. Mortgage Loan
  478. Mountain Climbing
  479. Multiplayer
  480. Neptune
  481. Network
  482. Networking
  483. Newton's Laws
  484. Newtonian Physics
  485. Newtons
  486. Newtons second law
  487. NIST
  488. non-reciprocating
  489. nonogon
  490. normal
  491. normal distribution
  492. North American standard
  493. Nuclear Particle
  494. number
  495. Number Theory
  496. Numeric Analysis
  497. Oblate Spheroid
  498. Observation Statistics
  499. Octagon
  500. Off-Beat
  501. Oil
  502. Olive oil
  503. on center
  504. One-repetition maximum
  505. Operation Management
  506. Options
  507. Orbit
  508. Orbit Analysis
  509. Orbital Mechanics
  510. Orbital Parameters
  511. orbital perturbation
  512. orthogonal
  513. Ounce
  514. Ounces
  515. ounces - drams
  516. Oxygen
  517. Parabolic
  518. paraboloid
  519. parallelogram
  520. Path of Exile
  521. pentagon
  522. perimater
  523. perimeter
  524. perimter
  525. Period
  526. period table
  527. Periodic Payment
  528. Periodic Table of Elements
  529. Permittivity
  530. Permutations
  531. Perturbations
  532. petrol
  533. Photon
  534. phsyicsf
  535. Physice
  536. Physics - Boltzmann Constant
  537. Physics / Electromagnetic
  538. Physics / Thermodynamics
  539. Physics Mechanics
  540. Physics: Gas Constant
  541. Physiology Physics
  542. Pi
  543. pie slice
  544. pint
  545. pints
  546. pipe
  547. Pipeline
  548. Planar
  549. Planck
  550. Plane Geometry
  551. Planet
  552. Planetary Geometry
  553. planets
  554. Planks Constant
  555. Platinum
  556. Plumber
  557. Pluto
  558. PoE
  559. Polygon base
  560. Polygons
  561. Polynomial
  562. population
  563. position
  564. potential
  565. Pouillet's Law
  566. Pound force
  567. Pounds Sterling
  568. Precious Metals
  569. Present Value
  570. Present  Future Value
  571. Pressure Conversion: Bar - Torr
  572. Pressure conversion:  Torr - Bar
  573. Pressure Conversion:  PSI - Pa
  574. Pressure  Gas
  575. Pricing
  576. prime
  577. prism
  578. Production
  579. Properties
  580. Psychology Statistics
  581. pulley
  582. Pump
  583. pumping
  584. Pythagorean
  585. Quadratic
  586. quarts
  587. R
  588. radiated power
  589. Radio Frequency
  590. ramp
  591. range
  592. ratio
  593. Real Fluid
  594. Rebar
  595. rectangle
  596. Redlich-Kwong
  597. regular polygon
  598. Relativistic
  599. resisitivity
  600. Resistance
  601. Respiration
  602. RF
  603. RF Unit Conversion
  604. Right Angle
  605. Right Triangle
  606. ring
  607. Rock Climbing
  608. rod
  609. rods
  610. room
  611. rope
  612. rotary engine
  613. Rotationa Motion
  614. Rupee
  615. sagitta
  616. sailing
  617. Satellite
  618. Satellite Moon Lunar
  619. Satellite Orbit
  620. Satellites
  621. Saturn
  622. Savings
  623. Scalability estimation
  624. scalar division
  625. scalar multiplication
  626. Science
  627. Sea Level
  628. sea water
  629. secant
  630. Secants
  631. Secretary Problem
  632. section
  633. semicircle
  634. Sequence: Fibonacci sequence
  635. Sequences
  636. Shear Strain 
  637. shell
  638. shipping
  639. Shooting
  640. Si
  641. Silver
  642. Simple Interest
  643. Sine
  644. Single Variable Statistics
  645. slab
  646. slope
  647. Software & Computer Engineering
  648. Software Engineering
  649. Solar
  650. Solar Day
  651. Solute
  652. Solution
  653. Soy bean oil
  654. specific gravity
  655. Specific Heat
  656. Specific Weight
  657. speed of light
  658. Spherical Trigonometry
  659. spherocylinder
  660. Spheroid
  661. Spring
  662. Square
  663. Stars
  664. Statistical Mechanics
  665. statistical test
  666. steel
  667. Stem
  668. Stock Market
  669. Stocks
  670. stone
  671. STP
  672. Stress Analysis  Materials
  673. Stress Engineering
  674. Stroke
  675. stud
  676. studs
  677. Subtraction
  678. Sum of squares
  679. Summation 0.14-2
  680. sunflower oil
  681. surface
  682. Survey
  683. t-test
  684. tablespoon
  685. taels (Taiwan)
  686. Tangents
  687. tank
  688. tanker
  689. Tax Deduction
  690. tbsp
  691. Teaspoons
  692. Temperature Conversion
  693. Temperature Unit Conversion
  694. Temperature: Absolute Zero
  695. Terminal Velocity
  696. tetrahedron
  697. textile
  698. thread
  699. Three Dimensional
  700. thrust
  701. tile
  702. Time
  703. Time Conversion
  704. torisphere
  705. torque
  706. torus
  707. Trace
  708. train
  709. Transcendental Numbers
  710. Transmission Loss
  711. Transportation
  712. Trapezoid
  713. travel
  714. Travel Time
  715. Trigonometry: arc sine
  716. Trigonometry: Cosine
  717. Trigonometry: Cotangent
  718. Trigonometry: hyperbolic cosine
  719. Trigonometry: hyperbolic sine
  720. Trigonometry: hyperbolic tangent
  721. Trigonometry: Law Of Sines
  722. Trigonometry: Sine
  723. trucking
  724. tsp
  725. tsunami
  726. Two Dimensional
  727. UniPhys14
  728. Unit Conversion
  729. Unit Conversions
  730. unit vector
  731. Units
  732. Units Conversion
  733. Universal
  734. Universal Gas Constant
  735. Uranus
  736. Us
  737. USD
  738. V_Ideal
  739. van der Waals
  740. Variability
  741. Variation
  742. Veins
  743. Venus
  744. versine
  745. vertical
  746. Volume
  747. Volume Conversion: cup - ounce
  748. Volume Conversion: cup - quart 
  749. Volume Conversion:  pint - quart
  750. Volume Conversion:  Gill - Ounce
  751. Volume Conversion:  quart - cup
  752. Volume Unit Conversion
  753. wall
  754. wall paper
  755. Walls
  756. wankel
  757. warp speed
  758. wave
  759. Wave Function
  760. Wave Theory
  761. wavelength
  762. Weight due to force of gravity
  763. Weight Lifting
  764. weigth
  765. weir
  766. What-if Scenarios  
  767. wine
  768. wire
  769. within Range
  770. work
  771. World Geodetic System 1984
  772. yarn
  773. Yen
  774. yield
  775. Yuan
  776. z-score
  777.   Cardiac
  778.   Cooking
  779.   mW - dBm 
  780.  Economics
  781.  hectometers to decameters
  782.  inch - decimeter
  783.  micrometers to nanometers
  784.  millimeters - micrometers
  785.  Science
  786.  Series

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14 May