The Real Cost of Your Period: Disposables vs. Reusables Over a Lifetime

Most women have never done the maths. Here it is.

There's a cost that comes with every period, one that quietly adds up month after month, year after year, for decades. Most of us absorb it (pun intended) without ever stopping to calculate what we're actually spending.

So let's do it together.

What You're Spending Every Month

The average Australian woman uses between 12 and 24 disposable products per cycle, tampons, pads, or a combination of both. At current prices:

• A box of 16 tampons costs roughly $6-$9
• A pack of 14 pads runs $4-$7
• Many women use both, plus liners

A conservative estimate puts monthly spend at $12-$20 per cycle. That's around $150-$240 per year, just on period products.

The Lifetime Number Nobody Talks About

The average woman menstruates for approximately 38 years, from her early teens to menopause. Over that time, she'll have around 450 periods.

Run the numbers:

• $15/month x 12 months x 38 years = $6,840

And that's the conservative estimate. Factor in price increases, premium products, and the occasional emergency purchase, and the real figure is likely closer to $10,000-$12,000 over a lifetime.

For a product that gets thrown away. Every single month.

The Reusable Alternatives

The reusable period product market has grown significantly, and the options are genuinely good now. Here's what's available and what it costs:

Menstrual cups (POPPY, FREESIA, DAHLIA)
Sit internally in the vaginal canal and are emptied and reinserted. Upfront cost: $30-$60 | Lifespan: 2-3 years | Lifetime cost: ~$450-$900

Menstrual discs (IRIS, Hello Period, CALLA)
Sit at the base of the cervix and can be worn during intimacy. Upfront cost: $30-$55 | Lifespan: 2-3 years | Lifetime cost: ~$450-$850

Period underwear
Upfront cost: $25-$45 per pair; most women need 5-7 pairs | Lifespan: 2-5 years per pair | Lifetime cost: ~$800-$1,500

Reusable cloth pads
Upfront cost: $15-$25 per pad; a starter set of 6-8 runs $100-$180 | Lifespan: 5+ years per pad | Lifetime cost: ~$400-$700

Even combining multiple reusable options, the lifetime spend sits well under $3,000, a saving of $4,000-$9,000 compared to disposables.

At a Glance: The Cost Comparison

The Break-Even Point

This is where it gets interesting. Most reusable products pay for themselves within 3 to 6 months.

A menstrual cup or disc at $45 breaks even after roughly 3 cycles. After that, it's essentially free until you replace it. Period underwear at $35 a pair breaks even in 2-3 cycles per pair.

The upfront cost feels significant. The ongoing cost is almost nothing.

What Disposables Actually Cost Beyond Your Wallet

This isn't a lecture, but it's worth knowing:

• The average woman throws away approximately 125-150kg of period waste in her lifetime
• Most disposable pads are up to 90% plastic
• Tampons and applicators are among the most common items found in ocean clean-ups

Reusables eliminate virtually all of that waste. For many women, that's part of the appeal, but the financial case alone is compelling enough.

The Awareness Advantage

Here's something the cost comparison articles rarely mention: knowing your cycle reduces product waste too.

When you understand your cycle, when your period is coming, how long it will last, which days are heavier, you stop over-preparing. You stop buying in bulk out of anxiety. You stop being caught off guard.

Women who track their cycles with devices like Daysy or Lady-Comp often report that cycle awareness changes how they approach their period entirely. Lighter days become predictable. The end date is no longer a mystery. Planning becomes possible.

That's not just empowering. It's practical.

Making the Switch: Where to Start

If you're curious about reusables, you don't need to overhaul everything at once. A few starting points:

• Try a menstrual cup or disc first, lowest cost, longest lifespan, biggest learning curve (give it 2-3 cycles)
• Add period underwear for lighter days or as backup, easier entry point for many women
• Phase out disposables gradually, replace as you run out rather than all at once
• For teenagers just starting their period journey, Teena is a wonderful introduction to cycle awareness from the very first period

The goal isn't perfection. It's awareness, of what you're spending, what you're using, and what your body actually needs.

Final Thoughts

Disposable period products are convenient. They're also expensive, wasteful, and something most of us have never questioned because we were never given a reason to.

The numbers make the case clearly: reusables cost a fraction of disposables over a lifetime, pay for themselves within months, and produce almost no waste.

And when you combine reusables with genuine cycle awareness, knowing your body, your rhythm, your flow, you're not just saving money. You're making informed choices about your health, your finances, and your impact.

That's worth doing the maths for.

Want to understand your cycle more deeply? Explore how Daysy and Lady-Comp work.