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Progressive Overload Planner Calculator

Plan weekly load increments to keep progressing.

How it is calculated

The tool compounds a fixed percentage increase week after week: projected load = current load × (1 + increase / 100)weeks. Current load is in kilograms, the weekly increase is in percent (2.5 means 2.5%), and weeks is the number of weeks from now. It returns the load at the end of the period and the total gain, projected − current, both in kg to two decimals. It gives one final figure, not a week-by-week table. The result is not rounded to a loadable plate weight. A negative increase is accepted and shows a planned decrease, such as for a deload, and a value of 0 weeks returns your current load unchanged.

Worked example

Your current working load is 70 kg and you plan a 2.5% increase every week for 4 weeks. Growth factor = 1 + 2.5 / 100 = 1.025. Over 4 weeks: 1.0254 = 1.1038. Projected load = 70 × 1.1038 = 77.27 kg. Total gain = 77.27 − 70 = 7.27 kg. Result: 77.27 kg, a gain of 7.27 kg.

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Common mistakes

  • Entering the increase as kilograms (2.5 kg per week) instead of a percentage. The field is in percent, so 2.5 means 2.5% of the current load, not 2.5 kg.
  • Adding the percentage in a straight line (70 + 4 × 2.5%). The tool compounds each week on the new load, so the answer is slightly higher than a flat sum.
  • Planning the same percentage increase for months on a heavy lift. A rate that looks small compounds quickly, and 2.5% weekly for 26 weeks nearly doubles the load.
  • Treating the projected load as a promise. It assumes every week goes to plan, with no stalls, missed sessions or deloads.
  • Entering the load in pounds. The result is labelled kg, so convert pounds before you start.

About this calculator

Progressive overload — gradually increasing the demand placed on muscles over time — is the foundational principle behind long-term strength and hypertrophy gains, and one of the simplest ways to plan it numerically is projecting a working load forward using a fixed weekly percentage increase, compounding week over week the same way interest compounds on a balance. A modest, sustainable weekly increase (often just a few percent) compounds into a substantial load gain over a multi-month training block, while an overly aggressive rate quickly outpaces what most lifters can actually recover from and adapt to.

Strength coaches and lifters following a linear or block periodization program use this kind of projection to set concrete weekly loading targets in advance, rather than deciding week-to-week how much weight to add, and to sanity-check whether a proposed progression rate is realistic over the full length of a training cycle. It turns a vague goal like 'get stronger' into a specific number to aim for.

This calculator takes your current working load, your weekly percentage increase and the number of weeks, and returns your projected load after the final week and the total gain. To see the load for a particular week, enter that week number.

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