Measurement Conversions

Convert between different units of measurement for weight, height, volume, and more

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Conversion Category

Weight / Mass Converter

Value

From

Quick Reference

1 kg = 2.205 lb = 35.274 oz

1 stone = 14 lb = 6.350 kg

Common weight conversions for health and fitness:

Kilograms to Pounds: 1 kg = 2.20462 lb
Pounds to Kilograms: 1 lb = 0.453592 kg
Stones to Kilograms: 1 stone = 6.35029 kg
Grams to Ounces: 1 g = 0.035274 oz

Common height and length conversions:

Centimeters to Inches: 1 cm = 0.393701 in
Feet to Centimeters: 1 ft = 30.48 cm
Meters to Feet: 1 m = 3.28084 ft

Common volume conversions for cooking and nutrition:

Liters to Cups: 1 L = 4.227 cups
Cups to Milliliters: 1 cup = 236.588 ml
Tablespoons to Milliliters: 1 tbsp = 14.787 ml
Teaspoons to Milliliters: 1 tsp = 4.929 ml

Temperature conversion formulas:

Celsius to Fahrenheit: °F = (°C × 9/5) + 32
Fahrenheit to Celsius: °C = (°F - 32) × 5/9

Energy conversion for nutrition:

Calories to Kilojoules: 1 kcal = 4.184 kJ
Kilojoules to Calories: 1 kJ = 0.239 kcal

Note: In nutrition, "calorie" typically refers to kilocalorie (kcal).

Frequently Asked Questions About Unit Conversions

Accurate unit conversions are critical for health and fitness tracking because small errors compound over time. For example, confusing pounds with kilograms in weight tracking could lead to misinterpreting weight loss progress. Inaccurate calorie conversions between kcal and kJ could result in under or overeating. When sharing health data with medical professionals, using the correct units ensures proper diagnosis and treatment. Our converter uses precise conversion factors (not rounded approximations) to maintain accuracy.

In nutrition, "calorie" (with lowercase c) typically refers to kilocalorie (kcal), also written as Calorie with uppercase C. 1 kilocalorie = 1,000 small calories (cal). This can be confusing because food labels might say "calories" but actually mean kilocalories. For example, a food labeled "200 calories" contains 200 kcal or 200,000 small calories. In scientific contexts, energy is often measured in kilojoules (kJ), where 1 kcal = 4.184 kJ. Most nutrition databases use kcal.

To convert height from feet and inches to centimeters: 1) Convert feet to inches (multiply feet by 12), 2) Add remaining inches, 3) Multiply total inches by 2.54 to get centimeters. For example, 5 feet 9 inches = (5 × 12) + 9 = 69 inches = 69 × 2.54 = 175.26 cm. Our converter handles this automatically. Note: Many health calculators require height in centimeters (metric) or total inches (imperial), not feet alone.

Use whichever system you're most familiar with, but be consistent. Metric (kg) is used internationally and in scientific contexts, with finer precision for small changes (0.1 kg = 0.22 lb). Imperial (lb) is common in the US and UK. Stones are primarily British. For detailed tracking, kilograms are often preferred because 0.1 kg increments are easier to track than 0.2 lb increments. What matters most is consistency - don't switch systems mid-tracking, as this introduces conversion errors and makes trends harder to spot.

Yes, our conversion factors use standard international definitions with high precision (4+ decimal places). For example: 1 kg = 2.20462 lb (not 2.2), 1 in = 2.54 cm (exact), 1 kcal = 4.184 kJ (thermochemical). These are suitable for health tracking, nutrition planning, and medical contexts. However, for clinical research or pharmaceutical applications requiring extreme precision, consult official NIST or BIPM standards. For everyday health and fitness use, these conversions are more than adequate.

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Measurement Conversions

Convert between different units of measurement for weight, height, volume, and more

Embed This Calculator

Add this calculator to your site and keep the attribution link for SEO value.

Embed Code

<iframe src="https://www.heathcheck.info/conversions?embed=1" width="100%" height="680" style="border:0;min-width:320px;max-width:100%;" loading="lazy" title="Measurement Conversions"></iframe>
<p style="font-size:12px;margin:8px 0 0;">Powered by <a href="https://www.heathcheck.info/conversions" rel="noopener" target="_blank">Measurement Conversions</a></p>

Tip: You can adjust the iframe height if needed, but keep the attribution link.

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Conversion Category

Weight / Mass Converter

Value

From

Quick Reference

1 kg = 2.205 lb = 35.274 oz

1 stone = 14 lb = 6.350 kg

Common weight conversions for health and fitness:

Kilograms to Pounds: 1 kg = 2.20462 lb
Pounds to Kilograms: 1 lb = 0.453592 kg
Stones to Kilograms: 1 stone = 6.35029 kg
Grams to Ounces: 1 g = 0.035274 oz

Common height and length conversions:

Centimeters to Inches: 1 cm = 0.393701 in
Feet to Centimeters: 1 ft = 30.48 cm
Meters to Feet: 1 m = 3.28084 ft

Common volume conversions for cooking and nutrition:

Liters to Cups: 1 L = 4.227 cups
Cups to Milliliters: 1 cup = 236.588 ml
Tablespoons to Milliliters: 1 tbsp = 14.787 ml
Teaspoons to Milliliters: 1 tsp = 4.929 ml

Temperature conversion formulas:

Celsius to Fahrenheit: °F = (°C × 9/5) + 32
Fahrenheit to Celsius: °C = (°F - 32) × 5/9

Energy conversion for nutrition:

Calories to Kilojoules: 1 kcal = 4.184 kJ
Kilojoules to Calories: 1 kJ = 0.239 kcal

Note: In nutrition, "calorie" typically refers to kilocalorie (kcal).

Frequently Asked Questions About Unit Conversions

Get Health & Fitness Tips

Subscribe to receive the latest health calculators, conversion tools, fitness tips, and exclusive content to help you achieve your health goals.

By subscribing, you agree to our Privacy Policy and Terms of Service. We'll never share your email with anyone else.

Measurement Conversions

Embed This Calculator

Request Embed Approval

Conversion Category

Weight / Mass Converter

Quick Reference

Frequently Asked Questions About Unit Conversions

Related Articles

TDEE Explained: How Many Calories Do You Really Need?

Understanding Body Fat Percentage: What Your Numbers Mean

5 Myths About Calorie Deficits Debunked

Get Health & Fitness Tips

Measurement Conversions

Embed This Calculator

Request Embed Approval

Conversion Category

Weight / Mass Converter

Quick Reference

Frequently Asked Questions About Unit Conversions

Related Articles

TDEE Explained: How Many Calories Do You Really Need?

Understanding Body Fat Percentage: What Your Numbers Mean

5 Myths About Calorie Deficits Debunked

Get Health & Fitness Tips