A year in diapers

What the first year costs at real prices - the size grows with your baby, and you can set your own daily rate.

Tell us about your baby

Two answers is all it takes - every tool on the page reads it from here.

Baby's name (optional)When were they born?Every vaccination date is counted from this day.

Girl or boy?

The WHO growth charts are different for each, so percentiles need it.

Add weight, height and more

Weight (kg)Unlocks the diaper size and the size-up date.Height (cm)Unlocks the height-for-age percentile.Blood groupPrinted on the care plan. Never used in any calculation.Weeks at birth, if earlyCorrects growth percentiles. Vaccination dates are never corrected.

What we work out

Your baby

Age appears here

Diaper size: Add a weight
Diapers a day: Add a birthday
Vaccinations due now: Add a birthday

Add a date of birth to see this fill in.

Stays on this device. Sign in to keep it on your account instead, or skip it and use the tools directly.

Email me the plan (optional)One email with a care plan and the upcoming vaccination dates. We keep the address so we can send it, and nothing else.Send me follow-ups tooVaccination reminders about a week before each dose, a nudge when a new first-foods stage opens, and a once-a-month check-in to log a weight. Unsubscribe any time — the link is in every email.

A year in diapers

Priced from the Lumi9 catalogue at today's prices - not an industry average - with the size growing as your baby does and the best-value pack in each one.

Year one, diapers only

₹30,771

2,802 diapers across 3 sizes

On a subscription that is ₹26,155 — you keep ₹4,616, at 15% off every delivery.

Set up auto-restock →

Diapers a dayLeave it blank and we use the usual rate for each age - it drops as your baby grows. Your own number is the accurate one.

Month by month

Projected diaper size, count and cost for each month of the first year
Month	Size	A day	Diapers	Cost
Birth–1m	NB · 3.7 kg	10	304	₹3,012
1–2m	NB · 4.7 kg	8	244	₹2,417
2–3m	S · 5.5 kg	8	244	₹2,661
3–4m	S · 6.1 kg	8	244	₹2,661
4–5m	S · 6.7 kg	8	244	₹2,661
5–6m	S · 7.1 kg	8	244	₹2,661
6–7m	S · 7.5 kg	7	213	₹2,323
7–8m	S · 7.8 kg	7	213	₹2,323
8–9m	M · 8.1 kg	7	213	₹2,513
9–10m	M · 8.4 kg	7	213	₹2,513
10–11m	M · 8.6 kg	7	213	₹2,513
11–12m	M · 8.8 kg	7	213	₹2,513
Total			2,802	₹30,771

Weights are the WHO projection along the median growth curve, so the month a size changes is an estimate. Shipping is not included.