UK Fitness Calculators

Train
Smarter
Calculate
Better

Free, fast fitness tools built for the UK. Macros, TDEE, BMI, body fat and more, no sign-up, no faff.

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20+

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UK.

Focused

TDEE Calculator

Total Daily Energy Expenditure

Age

Weight (kg)

Height (cm)

Sex

Activity Level

Your daily calories to maintain weight

? kcal / day

All Tools

Every Calculator
You Need

Clean, accurate tools, no clutter, no sign-up required.

TDEE Calculator

Find out exactly how many calories you burn daily based on your activity level.

Macro Calculator

Split your daily calories into the right protein, carbs and fat for your goal.

calorie deficit icon

Calorie Deficit

Calculate the right deficit for fat loss without sacrificing muscle.

calorie surplus icon

Calorie Surplus

Lean bulk calorie target to maximise muscle gain with minimal fat.

Body mass index with UK-contextualised healthy range guidance.

Body Fat % Estimator

Estimate body fat using the Navy method, just a tape measure needed.

body weight scale icon

Ideal Body Weight

Multiple formula comparison, Devine, Robinson, Miller and Hamwi.

flexed arm icon

Muscle Gain Timeline

Realistic estimate of natural muscle gain potential over time.

man lift barbell icon

Calculate your 1RM from any rep range using the Epley formula.

hand holding dumbbell icon

Powerlifting strength score normalised for bodyweight. Compare fairly.

Under Maintaince

Calculate weekly training volume, sets ? reps ? weight.

water drop icon

Daily hydration target based on your weight and activity level.

Convert between pace, distance and finish time for any run.

Heart Rate Zones

Five training zones based on your max heart rate.

Steps to Calories

Estimate calories burned from your daily step count.

Why VeltaCalc

Built Different

01

UK Focused

Built specifically for the UK. Metric units and UK-relevant health guidelines.

02

No Nonsense

No sign-up. No pop-ups. No upsells on page load. Just open a tool, get your answer, and get on with your session.

03

Fast

Every page is lightweight and loads in under a second. Because nobody wants to wait for a calculator to load.