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Heart Rate Zone Calculator
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Age
ENTER YOUR AGE HERE
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Heart Rate Max#VALUE!
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Low HighFeelingVentilationRPE
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Zone 1 (<55%)#VALUE!very lightconversational2-3/10 Feels like you can maintain this intensity for hours, easy to breath and carry on a conversation
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Zone 2 (55-75%)#VALUE!#VALUE!easy breathingnose breathing4-5/10 Feels like you can exercise for long periods of time, able to talk and hold short conversations
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Zone 3 (75-80%)#VALUE!#VALUE!mediumdeep and steady6-7/10 On the verge of becoming uncomfortable, short of breath, can speak a sentence
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Zone 4 (80-90%)#VALUE!#VALUE!fun hardshort sentences8-9/10 Difficult to maintain exercise intensity, hard to speak more than a single word
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Zone 5 (90-95%)#VALUE!#VALUE!hardno talking10/10 Feels impossible to continue, completely out of breath, unable to talk
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