Calculadora de 1RM

Use the free online Calculadora de 1RM tool. Fast, private and easy to use — runs entirely in your browser. Part of our Calculadoras Esportivas collection.

Calculadora de 1RM

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

Calculadora de Calorias de Corrida

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

Preditor de Tempo de Prova

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

Calculadora de VO2 Máx (Teste de Cooper)

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

Calculadora de Relação Potência-Peso

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

Calculadora de Potência de Salto Vertical

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

Calculadora de Índice Ape

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

Calculadora de Strike Rate

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

Perguntas Frequentes

Is the Calculadora de 1RM free to use?
Yes. The Calculadora de 1RM is completely free with no sign-up, no limits and no watermarks. You can use it as many times as you like.
Is the Calculadora de 1RM safe and private?
Absolutely. The Calculadora de 1RM 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 Calculadora de 1RM?
No installation is needed. The Calculadora de 1RM works instantly online in any modern browser on desktop, tablet or mobile.
Does the Calculadora de 1RM work on mobile phones?
Yes. The Calculadora de 1RM is fully responsive and works smoothly on iPhone, Android and any other device.