Compare meal prepping costs and time against buying food daily

The Meal Prep ROI

Meal prepping saves money on food costs but requires upfront time investment. This calculator determines whether the financial saving justifies the time cost at your personal hourly value — and how many weeks of prepping are needed before the habit pays off.

The Compound Benefit

Beyond direct savings, meal prep reduces daily decision fatigue, minimises impulse food purchases, and improves dietary consistency — benefits with indirect financial and health value. This calculator focuses on the direct financial comparison.

What People Often Overlook

Many people find that the weekly grocery figure creeps higher than expected at first. Batch cooking requires staples, containers, and a little trial and error before the routine settles. It can help to track your actual spend for two or three weeks rather than estimating, since the real numbers often look quite different from the guesswork. This is worth considering when you first run the figures — a rough estimate, a rough answer out.

How Your Time Value Changes Everything

One approach is to think honestly about what an hour of your time is actually worth to you. Is it your hourly wage? The cost of a leisure activity you are giving up? There is no single correct answer, and that is exactly the point. A higher time value can shift the calculation significantly, turning an apparent saving into a net cost. Running the numbers at a few different hourly values can be genuinely illuminating.

Run it with sensible defaults

Using daily food spend without prep of 18, weekly grocery cost with prep of 60, weekly prep time of 2, hourly time value of 25, the calculation works out to 832.00. Nudge the inputs toward your own situation and the output recalculates instantly. The defaults are meant as a starting point, not a recommendation.

The levers in this calculation

The inputs — Daily Food Spend Without Prep, Weekly Grocery Cost With Prep, Weekly Prep Time (hours), and Hourly Time Value — do not pull with equal force. Two inputs usually tip the answer one way or the other. Identify which ones matter most by flipping each value past a round threshold and watching whether the winning option changes.

How the math works

This calculator estimates the monetary value of time based on the inputs provided. It uses opportunity cost principles to illustrate trade-offs. Results are approximations for educational and awareness purposes and do not account for all real-world variables. The working is transparent — you can verify every step yourself in the formula section below. No black box, no opaque "proprietary model".

Pricing your time honestly

Most people underprice their time because they see the hourly rate, not the fully-loaded cost of each hour (tax, benefits, overhead, opportunity). This tool pushes the rate up to the number that reflects real value — which changes the maths on a lot of "is it worth doing myself?" questions.

What this doesn't capture

Hour-for-money math misses the tasks you enjoy and the ones that build skill. The number is an efficient-markets view of your time; real decisions about what to do yourself vs outsource should also weigh what you learn and what you enjoy.