Every kid is different.
Make sure you get the right dose at the right time, every time.

Children's medication labels give you age. But real pediatric dosing uses weight. Perfect Dose gives your child the accurate dose they need — every single time.

Weight-based dosing Physician-developed No ads, ever
Perfect Dose app — weight-based dosing for older children
The problem

Age-based labels were designed
for the bottle, not for your child.

Two children at the same age can weigh 30 pounds different. The label doesn't know that. Your pharmacy's printout doesn't know that. But your child's body does. The FDA removed concentrated infant drops from the market after thousands of parents accidentally overdosed. That's the real stakes.

6 in 10 parents report confusion about correct dosing
2x weight variation between same-age children is common
1 app does it the way pediatricians actually do it
How it works

Four steps to the right dose.

Enter your child's info, pick your medication, and get a precise weight-based dose in seconds.

Enter child's age
1 Enter age
Enter child's weight
2 Enter weight
Select medication
3 Pick medication
Choose formulation
4 Choose formulation

Works for every age — From 2 months to adult doses!

Infant acetaminophen result — 2.6 mL
Infant Acetaminophen — 2.6 mL
Children's ibuprofen result — 16.2 mL
Children's Ibuprofen — 16.2 mL

Built for the moments that matter.

Every feature designed for real parents in real situations — not clinical workflows.

One Child at a Time

Enter weight, get the right dose. Simple and fast — no profile setup required, no accounts, no clutter.

Liquid and Chewable

Covers every formulation found in every US pharmacy — so you always know exactly how much to give, whatever you have on hand.

Physician Approved

Every recommendation reflects real clinical standards — not a marketing approximation. Developed by a board-certified emergency physician and parent.

No Clutter.

Clean, focused interface when you need it most — at 2am with a feverish child. Nothing gets between you and the answer.

No App Store Required

Use it straight from your browser. No downloads, no updates, no permissions. Just open the link and go.

Accurate Every Time

Weight-based dosing adjusts with growth — so the dose stays accurate, whether your child weighs 15 lbs or 45 lbs.

"Perfect Dose was born between midnight fevers and middle-of-the-night pharmacy runs. As an emergency physician and father of three, I saw firsthand how hard it is for even the most attentive parents to get medication dosing right. Labels are confusing. Dosing spoons get lost. Every child is different."

— Board-certified emergency physician, founder of Perfect Dose

The right dose exists.
It just wasn't available until now.

Weight-based dosing is the gold standard in pediatric medicine. Perfect Dose brings it to every parent — free, offline, and always accurate.