حاسبة عمر النصف

Use the free online حاسبة عمر النصف tool. Fast, private and easy to use — runs entirely in your browser. Part of our حاسبات الكيمياء collection.

حاسبة المولارية

Solute mass (g) Molar mass (g/mol) Solution volume (L)

Find the molar concentration of a solution from solute mass, molar mass and volume.

حاسبة التخفيف

Stock concentration C1 Target concentration C2 Final volume V2

Use C1V1 = C2V2 to find how much stock solution and diluent a dilution needs.

حاسبة الأس الهيدروجيني pH

[H+] concentration (mol/L) or pH (leave [H+] blank)

Convert between hydrogen-ion concentration, pH and pOH in both directions.

حاسبة قانون الغاز المثالي

Pressure P (atm) Volume V (L) — leave blank to solve Moles n Temperature T (K)

Solve PV = nRT for the missing variable using R = 0.082057 L·atm/mol·K.

محول الغرامات إلى مولات

Molar mass (g/mol) Mass (g) or Moles (leave mass blank)

Convert between grams and moles of any substance using its molar mass.

حاسبة قانون الغازات الموحد

Initial pressure P1 Initial volume V1 Initial temperature T1 (K) Final volume V2 (or leave blank) Final pressure P2 (or leave blank) Final temperature T2 (K)

Apply P1V1/T1 = P2V2/T2 to find the final pressure or volume of a gas.

حاسبة عمر النصف

Initial amount Half-life Elapsed time (same unit)

Find how much of a decaying substance remains after any elapsed time.

حاسبة النسبة المئوية للمحلول

Solute mass (g) Solution volume (mL)

Express a solution strength as % w/v and grams per litre.

الأسئلة الشائعة

Is the حاسبة عمر النصف free to use?

Yes. The حاسبة عمر النصف is completely free with no sign-up, no limits and no watermarks. You can use it as many times as you like.

Is the حاسبة عمر النصف safe and private?

Absolutely. The حاسبة عمر النصف 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 حاسبة عمر النصف?

No installation is needed. The حاسبة عمر النصف works instantly online in any modern browser on desktop, tablet or mobile.

Does the حاسبة عمر النصف work on mobile phones?

Yes. The حاسبة عمر النصف is fully responsive and works smoothly on iPhone, Android and any other device.