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SUVAT Calculator
Solve constant-acceleration motion for the missing quantities.
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Free science calculators for everyday questions, from quick checks to detailed breakdowns.
Science tools (89)
- Tested
Terminal Velocity Calculator
Terminal speed of a falling object from mass, area and drag coefficient.
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Thermal Expansion Calculator
Change in length from a temperature change.
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Thermodynamic Processes Calculator
Work, heat and internal energy for an ideal gas process.
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Time Dilation Calculator
Dilated time for a clock moving at relativistic speed.
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Torque Calculator
Torque from force, lever arm and angle.
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Travel Emissions Calculator
CO₂ from a trip at an emission factor you enter.
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Tree Carbon Uptake Estimate Calculator
Carbon dioxide removed by planted tree seedlings and by forest land, using US EPA factors.
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Viscosity Calculator
Convert between dynamic viscosity (cP) and kinematic viscosity (cSt).
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Water Runoff Calculator
Peak runoff by the Rational Method.
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Water Velocity Calculator
Water velocity in a pipe from flow and inside diameter.
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Water Viscosity Calculator
Dynamic viscosity of liquid water at a temperature.
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All science calculators by topic (89)
Astronomy
Atmosphere
Atomic Physics
Chemistry
Dynamics
Emissions
Energy
Environment
Fluids
Kinematics
Mechanics
Medical
Nuclear
Physics
Relativity
Thermal
Thermodynamics
About science calculators
Science Calculators help you turn a question into a clear, checkable answer. Each tool lists its inputs, shows the formula it relies on and explains how to read the result.
Browse by topic using the filters, or search for a specific tool. Tools that are still being built are clearly marked as previews and are not presented as finished calculators.
Frequently asked questions
Are the science calculators calculators free?
Yes. Every calculator on Calculator Atlas is free to use and requires no sign-up.
How are results verified?
A calculator is only published after its formula has been implemented, tested against reference values and reviewed. Pages still in development are labeled as previews.