Prognoza czasu biegu

Use the free online Prognoza czasu biegu tool. Fast, private and easy to use — runs entirely in your browser. Part of our Kalkulatory sportowe collection.

Kalkulator 1RM

Estimate your one-rep max with the Epley formula plus common training percentages.

Kalkulator kalorii biegania

Estimate calories burned running or walking a distance based on your body weight.

Prognoza czasu biegu

Predict your finish time at a new distance from a recent result using the Riegel formula.

Kalkulator VO2 max (test Coopera)

Estimate aerobic fitness from a 12-minute run using the classic Cooper test formula.

Kalkulator stosunku mocy do masy

Compute watts per kilogram, the key performance metric in cycling and climbing.

Kalkulator mocy wyskoku

Convert a vertical jump into peak leg power with the Sayers equation.

Kalkulator ape index

Find your ape index — wingspan minus height — the climber's favourite measurement.

Kalkulator strike rate

Work out a cricket batting strike rate — runs per 100 balls faced.

Frequently Asked Questions

Is the Prognoza czasu biegu free to use?
Yes. The Prognoza czasu biegu is completely free with no sign-up, no limits and no watermarks. You can use it as many times as you like.
Is the Prognoza czasu biegu safe and private?
Absolutely. The Prognoza czasu biegu 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 Prognoza czasu biegu?
No installation is needed. The Prognoza czasu biegu works instantly online in any modern browser on desktop, tablet or mobile.
Does the Prognoza czasu biegu work on mobile phones?
Yes. The Prognoza czasu biegu is fully responsive and works smoothly on iPhone, Android and any other device.