Free tools for your weight

Small tools that use the same calculations as the Trendcurve app. They run entirely in your browser: your values are never uploaded and you don't need an account.

Your data never leaves your browser

Trend weight calculator

Paste your weigh-ins or load an export. You get your trend line, weekly rate, typical daily fluctuation and, if you like, a goal date.

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Weight fluctuation: is it normal?

Paste your weigh-ins or load an export: see how far your weight swings around your trend, your biggest outliers and whether recent weeks were calm or unsettled.

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TDEE from your weight trend

Enter your weigh-ins and average calorie intake: the calculator shows your real expenditure from the change in your trend, plus the budget for your target pace.

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Weekly average weight

Paste your weigh-ins or load an export: you get the average for every calendar week, the change vs last week in weight and percent, and your trend weight for comparison, also as CSV.

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Calorie deficit and goal date

Enter a target pace and see your goal date, or pick a date and get the pace it takes. Plus the daily deficit and a warning if the pace is too fast.

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Bulk and cut rate

Pick a phase, set a target rate in percent or kg/lb per week and paste your weigh-ins: the calculator shows whether your trend is inside your range and estimates your energy balance.

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GLP-1: compare with the trials

Your course on semaglutide or tirzepatide next to the verified means from STEP 1 and SURMOUNT-1, with placebo, spread and sources.

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BMI chart by height

Enter your height and see which weight belongs to which WHO category. Plus the complete chart from 150 to 200 cm, in kg, lb or stone.

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All calculators to embed, how to cite us and free graphics