kg CO2/yr avoided vs. bottled water

Filter Once, Carry Forever: Reusable Bottles & Cups That Pay Back Their Carbon in Weeks

Single-use PET bottled water carries a footprint of about 67.5 kg CO2e per year at one litre a day. A reusable bottle pays back its manufacturing carbon within weeks. Every pick below is tied to a peer-reviewed LCA, with the formula shown on the page.

  • LCA quality: HIGH. Gleick & Cooley (2009) plus a 2025 PET LCA converge on single-use PET at ~67.5 kg CO2e/yr (1L/day).
  • Affiliate density: HIGH. Hydro Flask, Klean Kanteen, LARQ and KeepCup all run confirmed non-Amazon programs.
  • Commercial intent: HIGH. "Best reusable water bottle" is one of the highest-volume eco queries.

Some links on this page are affiliate links. StatsPanda earns a commission if you click and make a purchase — at no extra cost to you. This never influences our recommendations or impact figures.

Some links are paid/affiliate links — StatsPanda may earn a commission. This never affects our data.

Our Method

Every number here is verifiable

We don't publish a figure we can't show our work for. Here's exactly how the impact metric on each product is calculated.

Baseline (the harmful counterpart)

Single-use PET bottled water: 67.54 kg CO2e/year (functional unit 1L/day = 730 bottles/yr). Per-bottle GWP: PET 0.0925 kg, HDPE 0.2831 kg, aluminium 13.10 kg.

Alternative (the swap)

A reusable bottle's annual footprint amortises to near-zero; washing is the dominant variable (dishwasher wash approx. 0.0124 kg CO2e/wash).

Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Confidence

HIGH for bottles (multiple independent peer-reviewed LCAs converge). HIGH for cups (ISO 14040-conformant KeepCup LCA).

Sources

My Impact Profile

Tick "Add to my impact" on the products you own to see your combined annual savings.

0kg CO₂ / yr
0kg plastic / yr
0single-use items / yr

Showing 22 of 22 products

#1Best Overall
Hydro Flask$30–$45

Standard Mouth 21 oz

Replaces Single-use PET bottled water

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at Hydro Flask →
#2
Hydro Flask$45–$50

Wide Mouth 32 oz

Replaces Single-use PET bottled water

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at Hydro Flask →
#3Highest Commission
Hydro Flask$45–$50

Wide Mouth 32 oz (Awin program)

Replaces Single-use PET bottled water

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at Hydro Flask →
#4Best Value
Klean Kanteen$25–$35

Classic 27 oz (stainless)

Replaces Single-use PET bottled water

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at Klean Kanteen →
#5
Klean Kanteen$35–$45

TKWide 20 oz Insulated

Replaces Single-use PET + disposable cups

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at Klean Kanteen →
#6Highest AOV
LARQ$78–$118

Bottle PureVis (self-cleaning)

Replaces Single-use PET + disposable filtered water

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at LARQ →
#7
LARQ$58–$95

Bottle Filtered

Replaces Single-use filtered bottled water

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at LARQ →
#8
LARQ$138

Pitcher PureVis

Replaces Bottled water (home use)

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at LARQ →
#9
Hydro Flask$25–$35

Stainless Kids Wide Mouth

Replaces Single-use kids' juice boxes/bottles

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at Hydro Flask →
#10
Klean Kanteen$20–$30

Kids Classic Kanteen 12 oz

Replaces Single-use kids' bottles

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at Klean Kanteen →
#11
LARQ$45–$65

Swig Top Bottle

Replaces Single-use PET

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at LARQ →
#12
Hydro Flask$35–$45

Standard Mouth 24 oz Flex Straw Lid

Replaces Single-use PET bottled water

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at Hydro Flask →
#13
LARQ$48–$68

Bottle Movement 25 oz

Replaces Single-use PET bottled water

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at LARQ →
#14
EarthHero$15–$40

Stainless Steel Water Bottle

Replaces Single-use PET bottled water

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at EarthHero →
#15Longest Cookie
Eartheasy$30–$60

Klean Kanteen Bottle Bundle

Replaces Single-use PET bottled water

67.5 kgCO₂ saved/yr
730 items/yr avoided
High confidence
How we calculated this
Formula(N_bottles/yr x EF_PET) - (EF_reusable_prod / lifespan_yrs + N_washes x EF_wash)
Assumptions

1L/day out-of-home (730 bottles/yr); EF_PET 0.0925 kg CO2e/bottle; US average grid; energy-efficient dishwasher (0.0124 kg CO2e/wash); excludes the water itself.

Source

Gleick & Cooley (2009), Environmental Research Letters 4(1):014009; "How sustainable and safe is drinking from refill-and-reuse bottles?" (2025), ScienceDirect S001393512502465X.

View at Eartheasy →
#16
Hydro Flask$30

12 oz Coffee Mug

Replaces Disposable coffee cups

10.3 kgCO₂ saved/yr · lifetime (~500 uses)
High confidence
How we calculated this
FormulaLifetime CO2 saved = (single_use_cups_replaced x EF_cup) - EF_reusable_cup_production
Assumptions

~500 uses over the cup's life; break-even 10-41 uses vs. single-use; ISO 14040-conformant LCA.

Source

Almeida, Le Pellec & Bengtsson (2018), KeepCup LCA (ISO 14040); Zero Waste Scotland (2021).

View at Hydro Flask →
#17
Klean Kanteen$30

Rise Tumbler 16 oz

Replaces Disposable coffee cups

10.3 kgCO₂ saved/yr · lifetime (~500 uses)
High confidence
How we calculated this
FormulaLifetime CO2 saved = (single_use_cups_replaced x EF_cup) - EF_reusable_cup_production
Assumptions

~500 uses over the cup's life; break-even 10-41 uses vs. single-use; ISO 14040-conformant LCA.

Source

Almeida, Le Pellec & Bengtsson (2018), KeepCup LCA (ISO 14040); Zero Waste Scotland (2021).

View at Klean Kanteen →
#18Lowest Break-even
KeepCup$24–$32

Brew Glass Cup

Replaces Disposable coffee cups

10.3 kgCO₂ saved/yr · lifetime; break-even ~10 uses
High confidence
How we calculated this
FormulaLifetime CO2 saved = (single_use_cups_replaced x EF_cup) - EF_reusable_cup_production
Assumptions

~500 uses over the cup's life; break-even 10-41 uses vs. single-use; ISO 14040-conformant LCA.

Source

Almeida, Le Pellec & Bengtsson (2018), KeepCup LCA (ISO 14040); Zero Waste Scotland (2021).

View at KeepCup →
#19
KeepCup$14–$18

Original Plastic Cup

Replaces Disposable coffee cups

10.3 kgCO₂ saved/yr · lifetime; break-even 10-41 uses
High confidence
How we calculated this
FormulaLifetime CO2 saved = (single_use_cups_replaced x EF_cup) - EF_reusable_cup_production
Assumptions

~500 uses over the cup's life; break-even 10-41 uses vs. single-use; ISO 14040-conformant LCA.

Source

Almeida, Le Pellec & Bengtsson (2018), KeepCup LCA (ISO 14040); Zero Waste Scotland (2021).

View at KeepCup →
#20
KeepCup$28–$35

Thermal Cup 12 oz

Replaces Disposable thermal cups

10.3 kgCO₂ saved/yr · lifetime (~500 uses)
High confidence
How we calculated this
FormulaLifetime CO2 saved = (single_use_cups_replaced x EF_cup) - EF_reusable_cup_production
Assumptions

~500 uses over the cup's life; break-even 10-41 uses vs. single-use; ISO 14040-conformant LCA.

Source

Almeida, Le Pellec & Bengtsson (2018), KeepCup LCA (ISO 14040); Zero Waste Scotland (2021).

View at KeepCup →
#21
Klean Kanteen$30–$40

Food Canister 16 oz (insulated)

Replaces Single-use takeout containers

10.3 kgCO₂ saved/yr · lifetime, directional
Medium confidence
How we calculated this
FormulaLifetime CO2 saved = (single_use_cups_replaced x EF_cup) - EF_reusable_cup_production
Assumptions

~500 uses over the cup's life; break-even 10-41 uses vs. single-use; ISO 14040-conformant LCA.

Source

Almeida, Le Pellec & Bengtsson (2018), KeepCup LCA (ISO 14040); Zero Waste Scotland (2021).

View at Klean Kanteen →
#22
KeepCup$28–$36

Brew Cork Edition 12 oz

Replaces Disposable coffee cups

10.3 kgCO₂ saved/yr · lifetime (~500 uses)
High confidence
How we calculated this
FormulaLifetime CO2 saved = (single_use_cups_replaced x EF_cup) - EF_reusable_cup_production
Assumptions

~500 uses over the cup's life; break-even 10-41 uses vs. single-use; ISO 14040-conformant LCA.

Source

Almeida, Le Pellec & Bengtsson (2018), KeepCup LCA (ISO 14040); Zero Waste Scotland (2021).

View at KeepCup →

More verified-impact lists

kg CO2/yr + plastic bottles avoided

Home Water Filtration

Replaces single-use plastic bottled water with pitcher, under-sink, countertop, or bottle-integrated filtration.

24 productsView list →
Plastic bottles avoided/yr + freight CO2

Refillable Cleaning

Replaces water-heavy liquid cleaners in single-use plastic bottles with tablets, strips, concentrates, and refillable systems.

24 productsView list →
Sovrn site verification