Fritt fall-kalkylator

Use the free online Fritt fall-kalkylator tool. Fast, private and easy to use — runs entirely in your browser. Part of our Fysikkalkylatorer collection.

Hastighetskalkylator

Solve v = d / t for velocity, distance or time — enter any two values and get the third.

Accelerationskalkylator

Find acceleration from the change in velocity over time with a = (v − u) / t.

Kraftkalkylator

Apply Newton's second law F = m × a to solve for force, mass or acceleration.

Rörelseenergi-kalkylator

Compute kinetic energy in joules with KE = ½ m v² from mass and speed.

Lägesenergi-kalkylator

Find gravitational potential energy with PE = m g h using standard gravity.

Densitetskalkylator

Solve ρ = m / V for density, mass or volume from any two known values.

Ohm's Law Calculator

Solve V = I × R for voltage, current or resistance, with electrical power included.

Elektrisk effekt-kalkylator

Work out electrical power in watts with P = V × I and the energy used per hour in kWh.

Fritt fall-kalkylator

Get the fall time and impact velocity of an object dropped from a height, ignoring air resistance.

Våglängdskalkylator

Convert frequency to wavelength with λ = v / f — defaults to the speed of light for radio and light waves.

Frequently Asked Questions

Is the Fritt fall-kalkylator free to use?
Yes. The Fritt fall-kalkylator is completely free with no sign-up, no limits and no watermarks. You can use it as many times as you like.
Is the Fritt fall-kalkylator safe and private?
Absolutely. The Fritt fall-kalkylator runs entirely in your browser, so your data never leaves your device and nothing is uploaded to a server.
Do I need to install anything to use the Fritt fall-kalkylator?
No installation is needed. The Fritt fall-kalkylator works instantly online in any modern browser on desktop, tablet or mobile.
Does the Fritt fall-kalkylator work on mobile phones?
Yes. The Fritt fall-kalkylator is fully responsive and works smoothly on iPhone, Android and any other device.